- 2022 - 2027 Observational study of post T Tauri stars
- 2020 - 2024 Exploring the evolution of supermassive black holes through the synergetic wide-field observations with Subaru/HSC and eROSITA
- 2017 - 2023 Observational study of isolated pre-main sequence stars
- 2017 - 2022 Study of nucleosynthesis in neutron star merger with optical-infrared follow-up observations of gravitational wave sources
- 2012 - 2018 Search for protoplanetary disks in binary systems
- 2011 - 2016 Direct imaging and spectroscopy of gas giants and detection of terrestrial planets
- 2007 - 2009 Observational Study of Diversity of Extrasolar Planets
- 2004 - 2006 観測に基づく系外惑星形成過程の解明
- 2001 - 2004 High Resolution Infrared Survey of the Southern Sky
- 2002 - 2003 A survey of T Tauri stars in the nearest star forming regions
- 2000 - 2003 Zodiacal Light Observation at Mauna Kea, Hawaii
- 1996 - 1998 MUTUAL INSTRUMENT DEVELOPMENT FOR LARGE TELESCOPES
- 1996 - 1996 Milimeter and Optical-Infrared Astronomical Observations by Using High-level Overseas Telescopes
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