| 2024 | Installed sculpture in cultural center [Meditation place for Monk] (Irpin Ukraine)
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| 2023 | Lecture [Art & Crises] (Nihon University) |
| | Ichiyokai Tokyo Exhibition (Tokyo Metropolitan museum) |
| | Exhibition [stone & Steel] Gallery Tustui (Tokyo) |
| | Installed sculpture in Nissho building [Gate to the Sky] (Aoyama Tokyo) |
| 2022 | Monumental Sculpture [Regenerated Rainbow] (Urayasu Chiba) |
| | Lecture [the times & art works] (Nihon University) |
| 2021 | Lecture [Art Foresee the Future] (Nihon University) |
| | Exhibition Open Studio (Haramura) |
| | Renewal Planning Tama Center Park (Tama New Town) |
| 2020 | Lecture [Crises and Art] (Nihon university) |
| | Exhibition Gallery Amano (Kobuchizawa Yamanashi) |
| | Saitama international Art Festival (Urawa Saitama) |
| 2019 | Sculpture Symposium ChervoneChorne 2019.Ukraine Kiev Plan at Sept. |
| | Exhibition [Highland & Seacoast] (Art Gallery 884) Tokyo. |
| 2018 | Exhibition [stone & still] (Yatugatake Art Gallery) Hara village. |
| 2017 | Ichiyokai Tokyo exhibition ( Tokyo Metropolitan Museum ) |
| | Published book [Yoshio Yagi works & history] (by Hayasaka Yoshiyuki) |
| 2016 | Ichiyokai Tokyo exhibition ( Tokyo Metropolitan Museum ) |
| 2015 | Ichiyokai Tokyo exhibition ( Tokyo Metropolitan Museum ) |
| | Okurayama Work Camp art direction ( Shiroishi Zao Miyagi )
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| 2014 | Art & craft ( Haramura Gallery Pentagon ) |
| | Jyoumon jin exhibition ( Hokuto city ) |
| | group exhibition ( Showa Memorial park ) |
| | lecture & exhibit ( Tokyo Metropolitan museum ) |
| 2013 | [Someting More] group exhibition ( Matumoto City Museum ) |
| 2012 | Jyomonjin group exhibition ( Hokuto - city ) |
| 2011 | Fuian international stone sculpture symposium ( China ) |
| | Gaziemir International stone sculpture symposium ( Turkey ) |
| | Tsinghua University C. I. Sculpture exhibition on campus ( Beijing China ) |
| 2010 | International stone sculpture symposium ( Caldas da Rainha ) |
| | [ISI] exhibition (Toyohashi Aichi) |
| | Solo exhibition ( Chino city Nagano ) |
| 2008 | International stone sculpture symposium ( Izmir Turkey ) |
| 2007 | Gaizinkalns Open Air symposium ( Latvia ) |
| | Solo exhibition Chino-city cultural center. ( Chino city Nagano ) |
| 2006 | City and History group exhibition (Aichi) |
| | International stone sculpture symposium First prize (Ventspils Latvia ) |
| 2004 | Solo exhibition (Aoyama Tokyo) |
| 2002 | Okanagan/Thompson international sculpture symposium ( Canada ) |
| 2001 | Morocco international sculpture symposium (Tange Morocco ) |
| 2000 | Working on sculpture in Saitama New Metropolitan ( Saitama ) < |
| 1999 | Art-direct and working on sculpture in Eda Garden Museum , ( Tokyo ) |
| | Organizing and working on sculpture in Kikuchi Farm, ( Nagano ) |
| | [the apparent of phase:3] Tokiwa Gallery exhibition, ( Tokyo ) |
| 1996 | Working on sculpture Kamisu Garden Museum , ( Ibaraki ) |
| 1995 | Collaboration experimental-work [the apparent of phase:1] ( Tokyo ) |
| 1994 | Working on sculpture park in Shinsyu Exposition, ( Nagano ) |
| 1993 | Working on new factory in Bad Voeslau ( Austria ) |
| 1990~93 | Organizing and working on sculpture in (Chiba New Town) |
| 1990 | Tokyo Conventional-Center [BIG SITE] open space planning work. |
| 1965~98 | Participating symposium |
| | Obihiro stone sculpture symposium, Hokkaido |
| | Hagi international sculpture symposium , Yamaguchi |
| 1980 | Lindabrunn stone sculpture symposium, Austria |
| 1984 | Baden International stone sculpture symposium, Austria |
| | Lumsden workshop stone sculpture symposium, Scotland |
| | Scaborough international granite symposium, Canada |
| | Kilkenny Limestone sculpture symposium, Ireland |
| | Nanao international stone sculpture symposium, Ishikawa |