|1951||Born in Hirosima.|
|1977||Compleated Graduate shcool of master's program of Tama Art University, Department of Sculpture.|
|1983/ '85/ '87/ '89/ '91/
'93/ '95/ '97/ '99/ '00/
Gallery Yamaguchi (Tokyo)
|1987, 1991||Gallery Ueda -Warehouse & SC (Tokyo)|
|1988, 1990||Gallery White Art (Tokyo)|
|1992, 1994, 1996||Gallery Emon (Nagoya)|
|1993||Gallery Konishi (Kyoto)|
|1997||MIZUNOKUNI Museum104 (Shimane)|
|-||Art Affairs (Amsterdam, Holland)|
|1998||The Plus /Minus Foundation (Renesse, Holland)|
|1999||TUES1999 - A view of Contemporary Sculpture (The Utsukushi-ga-hara Open Air Museum, Nagano)|
|2003||CONTEMPORARY ART MUSEUM ISE (Mie)|
|2004 - 2005||"ATSUO OKAMOTO - Sedimentation" /MIZUNOKUNI Museum104 (Shimane)|
|2008||ATSUO OKAMOTO exhibition "FOREST" /Gallery Tokyo-Humanite, Gallery Yamaguchi (Tokyo)|
|2010||"Faraway mountain" Atsuo OKAMOTO/ Corn Exchange Gallery, Gayfield Square Gardens (Edinburgh/UK)|
|2011||"FOREST" Atsuo OKAMOTO/ the Rootstein Hopkins Parade Ground in the Chelsea College of Art and Design (London/UK)|
|2014||"excavation" Atsuo OKAMOTO/ Gallery Tokyo-Humanite (Tokyo)|
|2016|| "faraway memories" Atsuo OKAMOTO/ IRIYA Gallery (Tokyo)
"EXCAVATION 2016" Atsuo OKAMOTO/ Gallery SEIHO (Tokyo)
|2017||"excavate a water 2017" Atsuo OKAMOTO/ Ise Contemporary Museum of Art (Mie)|
|2019||"STONE Sculpture" Atsuo OKAMOTO Exhibition/ Tokyo Garden Terrace KIOICHO|
|2021||"CALDERA" Atsuo OKAMOTO Exhibition / Gallery Tokyo-Humanite (Tokyo)|
|2022||"EXCAVATE A HOLE" Atsuo OKAMOTO Exhibition / Gallery IRIYA (Tokyo)|
|Selected Group Exhibitions|
|1981||The 15th Contemporary Art Exhibition of Japan: Tokyo Metropolitan Art Museum, Kyoto Municipal Art Museum.
The 9th Exhibition of Contemporary Japanese Sculpture: Ube Tokiwa Park, Ube.
|1983||East West Forum in Dordrecht: Holland. New Generation of Contemporary Art: Mieken - Museum of Art,Tsu.
The 3rd Henny Moor Grand Prize Exhibition: the Utsukushi - gahara Open - Air Museum, Nagano.
|1985||Flying, Floating, Dancing. Hokkaido Museum of Art, Sapporo Hokkaido.
The 11th Exhibition of Contemporary Japanese Sculpture: Ube Tokiwa Park, Ube.
|1986||Kinetic Sculpture in Japan: Walker Hill Art Center, Seoul.
The 5th Hamamatsu Dune Open-air Exhibition: Nakatajima - dune, Hamamatsu.
|1987||Tokyo Water Front Festival: Gallery Ueda - Warehouse, Shinkiba, Tokyo.|
|1988||Yokohama Flash: Mitsubishi Warehouse, Yokohama.
Movement and Modern Art: The Museum of Modern Art, Saitama, Urawa.
|1989||The Space, Material, Tension, Vacancy in Japanese Contemporary Art: The Museum of Modern Art, Saitama, Urawa.
ART EXITING '89, behind the today's being: The Museum of Modern Art, Saitama, Urawa.
Japanese Ways, Western Means; Art of the 1980's in Japan: Queensland Art Gallery, South Brisbane, Australia.
|1990||Contemporary Sculpture in Japan III-Transformation of Material and Space: Kanagawa Prefectural Gallery, Yokohama.
The 12th Contemporary Sculpture Exhibition: The Biennale of Kobe at the Suma Detached Palace Garden, Kobe.
|1991||Rouge Forever - Joint Exhibition with Hans-WaIter Muller: Ochanomizu Square, Tokyo.
A Current of Contemporary Art in Japan - Sculpture: The Museum of Modern Art, Toyama, Toyama.
The 14th Exhibition of Contemporary Japanese Sculpture: Ube Tokiwa Park, Ube.
|1992||Encountering the Others: Kassl, Hann - munden/ Germany.
Kanagawa Art Annual '92: Kanagawa Pretectual Gallery, Yokohama.
|1994||'94 The Magnetic Field of Contemporary Art: Tsukuba Museum ofArt; Tsukuba.|
|1995||TOSA - TOSA '95, Cool Age: Noise Music of Art: The Museum of Art, Kochi.
The 16th Exhibition of Contemporary Japanese Sculpture: Ube Tokiwa Park, Ube.
|1996||ART IN TOKYO No.8; Inside of Works, Outside of Works: Itabashi Art Museum, Tokyo.
Dialogue Between Tools and Arts: The Museum of Modern Art, Kanagawa, Kamakura.
|1997||Collaboration ; Atsuo Okamoto + Noda Hiroji: Aichi Prefectural Museum of Art, Nagoya.|
|1998||Inside / Outside Japanese Contemporary Sculpture by Eight Artists: The Niigata Prefectual Museum of Modern Art, Niigta.
The Magnetic Field of Contemporary Art '98: The Tsukuba Museum of Art lbaraki, Tsukuba City. ('00/'03/'05)
|1999||JUNJI AMANO, ATSUO OKAMOTO -Traces-: Yonago City Museum of Art, Tottori.
TUES - A View of Contemporary Sculpture - The Creation of Dimention, The Utsukushi-ga-hara Endowment for Sculpture
|2002||Sculptors of Eastern Japan: Tokyo Station Gallery, Tokyo|
|2003||The 5th Exhibition of Amabiki Village and Sculpture: Yamato-mura, Ibaraki. (the 1st - the 4th, '95/ '97/ '99/ '01)|
|2003||The Imaginary City "metamorphosis" Hiroshima: Hiroshima,|
|2004||The 3rd collaboration; Atsuo Okamoto + Noda Hiroji: Gallery Yamagichi, Gallery Tokyo Humanite
ONDO ArtScape-Genius Loci: Ondo-town Hiroshima
|2005||The 21st Exhibition of Contemporary Japanese Sculpture: Ube Tokiwa Park, Ube.|
|2006 ~ 2022||outdoor exhibition/ AMABIKI 2006, 2008, 2011, 2013, 2019 and 2022: Sakuragawa-city, Ibaraki.
Sculpture Internazionale ad Aglie 2006, Torino/ Italy
|2007 ~ 2017||outdoor exhibition/ ART SESSIONN TSUKUBA 2007, 2009, 2011, 2013, 2015 and 2017: Tsukuba, Ibaraki.|
|2008||New town Paradise - between the ruins and New town: Yokohama|
|2009||Sidney Nolan Trust Sculpture program 2009 (UK)
MILE STONE Sculpture International 2009 (Edinburgh/UK)
|2010||STONE project exhibition (Yorkshire Sculpture Park/UK)
STONE project exhibition (Pier Art Center, Orkney/UK)
|2012||Art First Project : J. Harrison / A. Okamoto Exhibition (Art First / London)
Atsuo OKAMOTO by Koji HIRATO vol.2: METAL Art Museum, Chiba
|2015||"FINDING FORM" (Art First / London)|
|1978||Suwako International Sculpture Symposium (Nagano) 1980 Lahr International Sculpture Symposium.Lahr (Germany)|
|1981||Hagi City International Sculpture Symposium (Yamaguchi )|
|1982||Kaiserslautern International Sculpture Symposium, Kaisersautern (Germany)|
|1983||East West Forum in Dordrecht International Sculpture Symposium, Dordrecht (Holland)|
|1983||Kawasaki International Sculpture Symposium (Kawasaki)|
|1985||The Environmental Art Symposium and Exhibition, Tsukuba New City (Tsukuba)|
|1988||Soffiero International Sculpture Symposium, Helsingborg (Sweden)|
|1988||Nasu Sculpture Symposium (Tochigi)|
|1989||Kasaoka Sculpture Symposium (Okayama)|
|1991||YAMATO / MAHOROBA Stone Sculpture International Symposium, Yamato-mura (Ibaraki)|
|1990||Aoraki Festival of Art (New Zealand)|
|1993||The 2nd Nijima Koga Stone Sculpture Festival (Tokyo)|
|1998||'98 Symposium of Sculpture in Yonago, Yonago (Tottori)|
|2000||Kyongnam International Sculpture Symposium, Changwon-city (Korea)
|2003||Bitburg International Sculpture Symposium, Bitburg-city (Germany)
|2006||Minnesota Rocks in Saint Paul, Saint Paul (Minnesota/ USA)
|2009 - 2014||Sidney Nolan Trust artist residence (UK) and 2009, 2011, 2014 artist workshop