Research Fields : Radio and Infrared Sciences in the Solar System Science: plasma and Atmospheres surrounding Earth and planets * Radio, plasma waves, and electric field Studies for terrestrial and planetary plasmas * Infrared studies for planetary plasmas and atmospheres * Numerical modelling and analyses related to both Instrumentation and Engineering * Instrumentation of Radio / Plasma waves and Electric fields for Space Plasma Studies * Instrumentation of Infraed Imaging and Spectroscopy for Planetary Studies * Instrumentation of Information Systems for Spacecraft Systems Space Missions: Launched JUICE: JUpiter ICy moons Explorer [ISAS official / ESA official], ESA Jovian mission (Launch: Apr 2023) * Radio Plasma Wave Investigation (RPWI) [Co-PI of Japanese science team (PI - J.-E.Wahlund (IRF-Uppsala, Sweden)] BepiColombo [ISAS official / ESA official], ESA/JAXA joint mission to Mercury (Launch: Oct 2018) * Plasma Wave Investigation (PWI) [PI] * Mission Data Processor (MDP) [Chief] Arase (ERG) [ISAS official], Small-sized science satellite for Radiation belt studies (2016-) * Plasma Wave Team [Co-PI] Hisaki [ISAS official], Planetary EUV telescope [Small-sized Science Satellite - 1] (2013-) * Electrical Team [Chief : Design, Development of MDP and Power System, Data analyses ...] Akatsuki (Planet-C) [ISAS official], * Infrared Camera 2 (IR2) [Co-I : Design, Data analyses, Operation support] --- [Geotail for terrestrial magnetosphere (1992-2022)] * Plasma Wave Instrument (PWI) [Co-I : Data analyses, Operation support] [Reimei (INDEX), Small-sized satellite for auroral studies (2005-)] * Integrated Central Unit (ICU) [Co-I : Overall activities] [Akebono (EXOS-D)] for auroral studies (1989-2015)] * Plasma waves [Co-I: Data analyses and operation support] [Nozomi (Planet-B)], Mars orbiter (1998-2003)] * Plasma Wave Analyzer (PWA) [Co-I : Overall development, Data analyses, Operations] Space Missions: Developing MMX: Martian Moons eXploration Martian observations and Phobos sample return (Launch: 2024) * MIRS: Infrared mapping spectrometer [developed by IAS(France), supported by us] Space Missions: Planning Groundbased Tohoku University Haleakala Telescopes( *** in Haleakala High Altitude Observatory, Univ. Hawaii *** * 40cm Schmidt telescope (T40) * 60cm Visible Infrared telescope (T60) * 1.8m Planet and Exoplanet telescope - PLANETS ((( in UH:Univ. Hawaii))) High-Resolution Spectrometer, MIR-Heterodyne, NIR-Echele by Tohoku Univ (2007-) University