Faculty and Researchers
Science
An introduction to faculty staff members and laboratories in the Science.
Note: Information on the laboratories is current as of the 2019 academic year. There may be changes to this information in the 2020 academic year.
Takashi AOKI
- Position
- Professor
- Laboratory
- Algebraic Analysis Laboratory
Algebraic Analysis of Singular Perturbation Theory
Infinite series is taught as part of senior high school mathematics, but only convergent infinite series. However, there are also divergent series, which can be very helpful depending on how they are used. Research is conducted into new mathematical applications using divergent series.
Toru IKEDA
- Position
- Professor
- Laboratory
- Manifold Laboratory
Topology, 3D Manifolds, Knot Theory
A 3-manifold is a space in which a 3D coordinate system can be drawn around arbitrary points. Although it’s difficult to visualize an entire 3-manifold, work here involves cutting and pasting spaces and curves in order to study geometric properties such as symmetry.
Akihiro ISHIBASHI
- Position
- Professor
- Laboratory
- General Relativity and Cosmology Laboratory
General Relativity, Gravitation, Cosmology
Investigation is conducted into overall space dynamics and black holes using general relativity. A focus of research is on high-dimensional space models and high-dimensional black holes, which look at the possibilities of high-dimensional space-time.
Kaiki Taro INOUE
- Position
- Professor
- Laboratory
- Laboratory for Cosmology
Cosmology, Astrophysics, Gravitational Astronomy
Dark matter and dark energy are mysterious substances that account for a large part of the universe. Solutions to these mysterious substances are sought using general relativistic phenomena on cosmic scales such as gravitational lenses, gravitational waves and cosmic inhomogeneity (halos and voids).
Takashi OKUBO
- Position
- Professor
- Laboratory
- Coordination Chemistry Laboratory
Coordination Chemistry, Physical Chemistry, Organic Opto-Electronic Devices
Metal complexes, which are composite inorganic/organic compounds, can be expected to exhibit unique physical properties due to their distinct structure and electronic states. We synthesize new metal complexes having a polymer structure, and after clarifying their structure, electronic states, and electrical conductivity, apply them in organic photoelectronic devices such as solar cells.
Nobuyoshi OHTA
- Position
- Professor
- Laboratory
- Elemental Particle and Gravity Theory Laboratory
Elemental Particle Theory, Quantum Gravity Theory, Superstring Theory, Cosmology
Studies are carried out on elemental particles, which are smaller than atoms, through the theory of relativity and quantum mechanics, and research is conducted into cosmology and the unified theory of elemental particles, including gravity, through the general theory of relativity and superstring theory.
Fumihito ODA
- Position
- Professor
- Laboratory
- Group Theory Laboratory
Representation Theory of Finite Groups
Examination is carried out into finite groups and their representation using a category theory approach. Research is conducted into group actions on simplicial complexes, semi-ordered sets, and modules.
Yukihiro KATO
- Position
- Professor
- Laboratory
- Experimental Particle Physics Laboratory
Experimental Particle Physics
We know that matter is composed of things like quarks and other subatomic particles. But what are subatomic particles composed of? Using a large particle accelerator, research here tries to answer questions like this.
Tadashi KAMIYAMA
- Position
- Professor
- Laboratory
- Physical Chemistry Laboratory
Biophysical Chemistry, Solution Chemistry
Research on elucidating the so-called “blueprint” and “operating manual” of proteins by understanding the nature of proteins under a variety of conditions (temperature, pressure, solvents, additives, etc.).
Takayoshi KURODA
- Position
- Professor
- Laboratory
- Coordination Chemistry Laboratory
Coordination Chemistry
Researching nano-scale molecular quantum magnets typified by single-molecule magnets. In addition, research on a variety of functional metal complexes expected to serve as semiconductor materials for switching elements and solar cells.
Yasushi KONDO
- Position
- Professor
- Laboratory
- Quantum Control Laboratory
Quantum Information, Condensed Matter Physics
Research is carried out with an interest in a wide range of control methods, in which quantum mechanics such as quantum information and quantum control play an important role. In particular, if quantum computers are realized, it will change the world. It is hoped that the elemental research conducted here will help make such computers a reality.
Yoshitaka SAGA
- Position
- Professor
- Laboratory
- Biological Chemistry Laboratory
Photobiological Chemistry
Elucidating the mechanisms underlying biological phenomena that involve light, such as photosynthesis, at the molecular level. Also, contributing to the advancement of the chemistry of living processes, whose practical application is anticipated in developing nanomaterials that will solve energy and environmental issues.
Kazuhiro SAKUMA
- Position
- Professor
- Laboratory
- Topology Laboratory
Topology
I am studying 4D manifolds and the higher dimensional manifolds by using singularity theory of differentiable maps. There appears singular points in general which degenerate for the differential of smooth maps, so we try to observe the method of eliminating singularities with higer coranks.
Yusaku SUENAGA
- Position
- Professor
- Laboratory
- Polymer Science Laboratory
Poly-Nuclear Metal Complex, Polymer Particles
Polymers are used in synthetic fibers, resins, and rubbers. We research the synthesis of functional polymer particles that can assume a variety of characteristics by chemically modifying the polymer particle surface where the particles have a uniform size.
Kanehisa TAKASAKI
- Position
- Professor
- Laboratory
- Integrable Systems Laboratory
Algebraic Analysis, Mathematical Physics, Integrable Systems
Solvable models of mathematical physics are referred to as `integrable systems'. I am studying integrable systems and mathematical physics by the method of algebraic analysis. Not only being extremely interesting in themselves, integrable systems are also closely related to many other fields of mathematics.
Kazuo TAMURA
- Position
- Professor
- Laboratory
- Molecular Biology and Medical Genetics Laboratory
Medical Genetics, Cancer Gnetics & Genomics, Genetic Counseling, Molecular Biology, Surgery
Research looks into the relationship between human traits and the genes and genome behind these traits. Much can be understood through patient study of the genome sequence, and there is hope that the technologies derived from such study can be applied to new methods of cancer treatment.
Michiyuki CHIKAWA
- Position
- Professor
- Laboratory
- Astroparticle Physics Laboratory
High-Energy Astroparticle Physics (1) Extreme High Energy Astroparticle Physics (2) High Energy Gamma-ray Physics
Research is conducted into the stars, galaxies, and space through observation of the high-energy astro-particles that fly about in outer space. The laboratory participates in joint international projects like the Cherenkov Telescope Array(CTA) Project and the Telescope Array(TA) Experiment to develop detection equipment.
Toshifumi TSUJIUCHI
- Position
- Professor
- Laboratory
- Molecular Oncology Laboratory
Molecular Oncology, Diagnostic Pathology, Experimental Pathology
Cancer progresses in stages: as genetic abnormalities accumulate, it progresses from precancerous lesions to cancer. In addition to searching for genetic mutations of unfavorable prognoses, refractory cancer, such as in pancreatic cancer, lung cancer, and bone cancer, research includes cell function analysis through the creation of cancer cells to knock down target genes. The goal is to shed light on molecular mechanisms in cancer infiltration and metastases, and in the acquisition of resistance to anti-cancer drugs.
Tomonari DOTERA
- Position
- Professor
- Laboratory
- Soft Matter Physics Laboratory
Quasicrystal Physics, Soft Matter Physics, Condensed Matter Physics
This laboratory is the world leader in soft quasicrystal research. This laboratory made the world’s first discovery of a polymeric quasicrystal, implying that even soft matter has an ordered structure with no repetitive units. Theoretical research on the origin of the formation of soft quasicrystals appeared in Nature. Recently Dr. Dotera found the bronze-mean quasicrystal. Also, he aims to develop the physics of gyroid.
Yuzuru NAKAGUCHI
- Position
- Professor
- Laboratory
- Geochemical Laboratory
Biogeochemistry
A wide variety of substances are present on Earth, and among them are elements essential to living organisms. We elucidate the circulation mechanism for these elements on Earth.
Yuji HIDAKA
- Position
- Professor
- Laboratory
- Bioengineering Laboratory
Peptide and Protein Folding, Physiological Activity, Molecular Evolution, Genetic Engineering, Peptide and Protein Science, Disulfide Binding
The conformational changes of the native proteins cause several diseases, such as Alzheimer's disease. Disulfide bonds play a critical role in the maintenance of the native (bioactive) conformation of peptides and proteins under thermodynamic or kinetic control. Therefore, it is important to regulate disulfide bond formation in protein folding. We currently focus on the development the chemical methods to regulate disulfide-coupled peptide and protein folding
Masahiko MAEKAWA
- Position
- Professor
- Laboratory
- Organometallic chemistry laboratory
Coordination Chemistry, Organometallic Chemistry
We study about the syntheses, structures and functions of metal complexes and coordination polymers with gaseous small molecules (olefins, carbonyls, hydrides, etc.).
Yoshihiro YAMAGUCHI
- Position
- Professor
- Laboratory
- Synthetic Organic Chemistry Laboratory
Synthetic Organic Chemistry, Chemistry of Functional Molecules
Broad-based research on the synthesis of organic compounds having a variety of functions, including their applications such as organic transistors and organic solar cells. In particular, synthesis of fluorescent organic materials with potential application as organic EL materials.
Tomonari WAKABAYASHI
- Position
- Professor
- Laboratory
- Molecular Physics and Quantum Chemistry
Physical Chemistry and Chemistry of Nanostructures
Laser ablated polyenes and fullerenes are studied by molecular spectroscopy and quantum chemistry. With experimental and theoretical knowledges on stability and structures of carbon molecules, microscopic views of high-temperature molecular processes are discussed.
Tsunenobu ASAI
- Position
- Associate Professor
- Laboratory
- Combinatorics Laboratory
Finite Group Theory
Research is conducted into finite groups and combinatorial structures constructed from groups.
Kentarou IHARA
- Position
- Associate Professor
Number Theory
Nao KAGAWA
- Position
- Associate Professor
- Laboratory
- Laboratory of Behavioral Genetics
Fish Physiology, Behavioral Neuroendocrinology
What controls the wide range of behaviors we see in animals? Focusing on the genes that develop in the brain, the center of behavior, fish are used to conduct research into the mechanisms that control behavior.
Kenichi KASAMATSU
- Position
- Associate Professor
- Laboratory
- Laboratory of Theoretical Condensed Matter Physics
Theory of Condensed Matter Physics
A gas of neutral atoms cooled down to near absolute zero temperature causes a phase transition called Bose-Einstein condensation, resulting in quantum condensates possessing strange properties, as exemplified by superfluidity. We investigate various phenomena exhibited by atomic Bose-Einstein condensates.
Takao SUZUKI
- Position
- Associate Professor
- Laboratory
- Special Functions Laboratory
Special functions and Integrable systems
My research field is the theory of special functions which are defined by differential or difference equations in complex domains. These special functions are related to various fields of pure mathematics and applied mathematics. Therefore they are very interesting research object.
Junko TATSUMI
- Position
- Associate Professor
- Laboratory
- Bioethics Laboratory
Bioethics, Medical Genetics, Effects of Radiation, Genetic Disorders
Birth defects are caused by people having the wrong genes or chromosomes, as well as by the environment in the womb. People born with birth defects have lives to live just like everyone else and they should not be subject to discrimination. According to UNESCO’s Universal Declaration of Human Rights, “All human beings are born free and equal in dignity and rights.”
Ippei Danshita
- Position
- Associate Professor
- Laboratory
- Quantum Many-Body Physics Laboratory
Theory of condensed matter physics, Theory of atomic, molecular, and optical physics, Theory of quantum control
In condensed matter systems, such as electrons in solids and liquid helium, competitions and/or collaborations of quantum nature and interparticle interactions lead to various interesting phenomena, including superfluidity, superconductivity, quantum phase transitions, and many-body localization. We develop theoretical methods describing quantum many-body systems, aiming to discover novel quantum many-body effects.
Koji CHINEN
- Position
- Associate Professor
- Laboratory
- Applicable Algebra Laboratory
Analytic Number Theory, Coding Theory
Coding theory is about ways to properly relay information. It is a comprehensive theory that is the result of numerous mathematical developments. Research is conducted with a focus on algebra, including coding theory as a mathematical theory and related group theory, and ring theory. Research is also conducted into analytic number theory as it relates to ciphers.
Yayoi NAKAMURA
- Position
- Associate Professor
- Laboratory
- Computational Algebraic Analysis Laboratory
Computational Algebraic Analysis
Using computational algebraic analysis, research is conducted on residues and b-functions. By the usage of residues, polylogarithm and zeta function are studied.
Masayoshi Nishiyama
- Position
- Associate Professor
- Laboratory
- Laboratory for Dynamic Living Systems
Biophysics, Bioimaging
Biomolecules are nanometer-sized molecular machines working in living cells. Our research goal is to elucidate the operating principle how biological molecular machines work efficiently in collaboration with water molecules.
Haruko HAYASAKA
- Position
- Associate Professor
- Laboratory
- Immune Molecular Function Laboratory
Molecular Biology, Cell Biology, Immunology
Immune cells act to protect us from disease-causing agents by attacking them. Cancer cells move from the primary lesion to other organs and proliferate. Research is conducted on the mechanisms of how cells move around inside the body and work in a specific location.
Nobuyuki FUKUSHIMA
- Position
- Associate Professor
- Laboratory
- Molecular Neurobiology Laboratory
Cell Biology, Neurobiology, Lipid Biology
How is the complex neural circuitry of the brain created, what affects the actions of animals, and what mechanisms do nerves and cancer share? The mysteries behind these questions are delved into using research drawing on molecular biology.
Takahiko MASUI
- Position
- Associate Professor
- Laboratory
- Solid State Physics Laboratory
Condensed Matter Physics (experiments)
In the field of condensed matter physics, it’s possible to conduct research by creating one’s own specimens and measuring these. It is interesting in a completely different way than mega science. The goal here is to discover new physical phenomena and new matter, as well as solve long-debated mysteries of science.
Yutaka MATSUI
- Position
- Associate Professor
- Laboratory
- Microlocal Analysis Laboratory
Mathematics, Algebraic Analysis, Microlocal Analysis
The field of specialty here is algebraic analysis, which grew out of research into differential equations. Using combinatorics and microlocal analysis, research is conducted into reversion formulas of radon transforms of constructible functions, and the behavior of images.
Kouichi MATSUMOTO
- Position
- Associate Professor
- Laboratory
- Electro Organic Chemistry Laboratory
Organic Synthetic Chemistry, Development of New Organic Reaction
Yusuke MORISAWA
- Position
- Associate Professor
- Laboratory
- Applied Spectrsocopy Laboratory
Physical Chemistry, Molecular Science, Spectroscopic Analysis, Molecular Spectroscopy
Researching photo-physics based on fundamental spectroscopy research. Also developing analytical methods by observing spectra to extract information such as the attributes and amounts of a substance based on the interaction of the substance with light.
Yohko YANO
- Position
- Associate Professor
- Laboratory
- Biophysics Laboratory
Biophysics, Chemical Physics, Structural Chemistry
Protein comes in various complex structures in the body in order to perform its functions. On the other hand, it easily changes form and loses its functions. These structural changes are observed using the world’s brightest X-rays in order to understand the mechanisms behind the formation of protein structures.
Yoshiro YAMAGIWA
- Position
- Associate Professor
- Laboratory
- Organic Chemistry Laboratory
Organic Chemistry, Bioactive Natural Products, Organic Synthesis
Developing methods to synthesize compounds that inhibit infection and replication of HIV (AIDS virus) and influenza viruses, and compounds that scavenge radicals (such as reactive oxygen species) that have been attracting attention in connection with aging, cancer, etc.
Tomoki YAMASHITA
- Position
- Associate Professor
- Laboratory
- Discrete Mathematics Laboratory
Graph Theory
Most discrete structures can be expressed in graph form. Graph theory represents a major research field of discrete mathematics. Here, research is conducted into extremal graph theory, which is the relationship between invariants and local substructures of the graph.
Yuji OMURA
- Position
- Lecturer
- Laboratory
- Theoretical Particle Physics Laboratory
Theoretical Particle Physics
We study a lot of new physics possibilities motivated by mysteries in our universe and discuss which models are realistic to explain the latest experimental results. We explore for unknown physics beyond the Standard Model of elementary particle.
Norihito KAWASHITA
- Position
- Lecturer
- Laboratory
- Computational Life Science
Computational Chemistry, Bioinformatics, Protein-protein interaction, Infections, Drug Resistance, Molecular Evolution
We aim to elucidate various phenomena in the life sciences, including molecular evolution, drug susceptibility, and protein-protein interactions, using computational chemistry and bioinformatics that utilize computers and supercomputer.
Munekazu KOMADA
- Position
- Lecturer
- Laboratory
- Mammalian Embryology
Anatomy, Developmental Neurotoxicology, Congenital Anomaly
I would like to clarify the influence of maternal environment during pregnancy on the development and development of children. In addition, I aim to prevent birth defects and contribute to the healthy growth of children. I would like to engage in the development of human resources who wish for the birth and growth of children who will lead the next generation.
Shigeru SHIMAMOTO
- Position
- Lecturer
- Laboratory
- Molecular Function and Structure Regulation Laboratory
Structural Biology, Thermodynamics
The function of proteins depends on its native tertiary structure. In order to clarify their function mechanism and regulate their function, we perform the structure determination of proteins and thermodynamic analysis.
In Dae JONG
- Position
- Lecturer
- Laboratory
- Knot Theory Laboratory
Knot Theory
Research is conducted into knot theory and low-dimension topology (3D and 4D). To investigate knots mathematically, often the invariants of knots are used. Research takes an interest in the relation between the algebraic properties of invariants and the geometrical properties of knots.
Anton Timur Jaelani
- Position
- Researcher
- Laboratory
- Laboratory for Cosmology
Cosmology Astrophysics
Shimpei GOTO
- Position
- Researcher
- Laboratory
- Quantum Many-Body Physics Laboratory
Theory of condensed matter physics, Numerical simulations, Tensor networks
Yuichi Higuchi
- Position
- Researcher
- Laboratory
- Laboratory for Cosmology