Academic career

• July 2024-March 2025
     Visiting professor @ ETH Zurich, Institute of Geochemistry and Petrology

• Oct 2016-   

Assistant professor @ Yokoyama Laboratory, Institute of Science Tokyo

• 2015-2016  

JSPS fellowship for research abroad @ ETH Zurich, Institute of Geochemistry and Petrology

• 2014-2015　

Project researcher @ National Institute of Polar Research

• 2012-2014　

Research fellow of JSPS @ Geochemical Research Center, The University of Tokyo

• 2010-2012　

Project researcher / Research fellow of JSPS @ National Institute of Polar Research

• March 2010　

Ph.D. in Science, Hiroshima University.

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Research field

Cosmochemistry, Geochemistry, Chronology, Meteoritics

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Experience

• Electron Probe Micro Analyzer

• Scanning Electron Microscope

• Raman Microscope

• Secondary-Ion Mass Spectrometer

• Laser Ablation Inductively Coupled Plasma Mass Spectrometer

• Quadrupole Inductively Coupled Plasma Mass Spectrometer

• Multi-Collector Inductively Coupled Plasma Mass Spectrometer

• Multi-Collector Thermal Ionization Mass Spectrometer

• Noble Gas Mass Spectrometer

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Teaching

• Geochemistry and Cosmochemistry, 2019 @ Tokyo Tech

• Laboratory in Earth and Planetary Sciences (field geology), 2017 @ Tokyo Tech

• Laboratory in Earth and Planetary Sciences (geochemistry), 2016-2019, 2021-2023 @ Tokyo Tech

• Earth and Space Sciences, Laboratory and Field Studies (earth materials) A, 2017-2018, 2022-2023 @ Tokyo Tech

• Inorganic Chemistry (EPS course), 2021-2023 @ Tokyo Tech

• Geochemistry D, 2017 @ Tokyo Tech

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Research project grant

• Verification of large-scale collisions on asteroid Vesta based on high-precision meteorite dating, Grant-in-Aid for Scientific Research: International Collaborative Research Acceleration Fund (International Joint Research Enhancement (A)), 22KK0229, 2023-2025, Principal Investigator.

• Determination of formation age of a giant crater on the asteroid Vesta based on (U-Th)/He ages of zircons. Grants-in-Aid for Scientific Research (C), 23K03474, Principal Investigator.

• Europlanet 2024 RI Programme & Transnational Access (Evaluation of the initial 92Nb abundance in the inner Solar System), 2023, Principal Investigator.

• Chronological evaluation of a large-scale collision on asteroid Vesta, Grant-in-Aid for Scientific Research (C), 19K03946, 2019–2022, Principal Investigator.

• The initial abundance of plutonium-244 in the solar system evaluated by using meteoritic zircons, Grant-in-Aid for Young Scientists (B), 17K14421, 2017–2018, Principal Investigator.

• The initial abundance of Niobium-92 in the solar system evaluated by using micro-minerals in meteorites, JSPS fellowship for research abroad, 2015–2017.

• Origin and evolution of elements and planetary materials of the solar system using 92Nb-92Zr chronometry, Yamamura follow, 2012–2013.

• In-situ isotopic analysis for understanding the evolutionary history of planetary material, Grant-in-Aid for JSPS Fellows, 2011–2013.

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Professional memberships

The Meteoritical Society, Japan Geoscience Union, The Geochemical Society of Japan

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Collaborative work

• Prof. M. Schönbächler (ETH Zurich), Development of 92Nb–92Zr chronometer for applying to differentiated meteorites.

• Dr. D. Szymanowski (ETH Zurich), Development of CA-ID-TIMS U–Pb zircon dating for applying to meteoritic zircons.

• Prof. K. Nagao (Univ. of Tokyo, KOPRI), Cosmic-ray exposure dating of meteorites using zircons.

• Hayabusa 2 initial-analysis chemistry team