1945

Born in Shinshu Shimmachi, Nagano City, Nagano

1968

Graduated Tama Art University in oil painting (under Prof. Yoshishige Saito)

1969

Took Grand Prize at the 1st International Exhibition of Modern Sculpture (Hakone Open-Air Museum)

1970

Visited 23 countries in one year before returning to Japan.

1983

Took the Tokyo Metropolitan Art Museum Prize at the 16th Modern Art Exhibition. Exhibited 7 works with a total weight of over 45 tons on a hillside for “All-Over Walk Utsukushigahara” part of the 3rd Henry Moore Prize Exhibition, taking the Utsukushi-ga-Hara Open-Air Museum Prize, and marking the start of his work on giant rocks.

1984

Worked in Isamu Noguchi’s studio in the Overseas Study Program for Artists of the Agency for Cultural Affairs. Completed the sculpture garden at the Iwaki City Art Museum, and the pond monument in Shakujii Park.

1986

Invited as guest artist by Harvard University, held a one-man show at the Carpenter Center there. Exhibited in a group show at the Jack Tilton Gallery in New York, attracting the attention of a curator of the Chrysler Museum of Art, which purchased his works for its collection.

1990

Giant stone monuments at the Enshunada Coastal Park (55 tons), and Ietopia Kobe Kitamachi Sculpture Park (granite, 120 tons). Chain monument for Nomura Real Estate in the Yokohama Business Park. Began work in spatial compositions, seeking the harmony of different materials such as stone and metal, or natural and artificial. He created new works of three-dimensional art while also developing new interpretations of traditional Japanese spatial aesthetics in the form of garden and environmental design and monuments.

1993

Lake Biwa Commemorative Park (Encounter Plaza), breakwater, 35-hectare walking path, and wharf. In recent years he has been active in projects involving the earth, including overall production of projects for lakes, dams, and river waterfront redevelopment.

1996

Stainless steel monument commemorating the 80th anniversary of the establishment of the City of Fukuyama, 30 m. tall.

1998

One-man show at the Fukuyama Museum of Art (Fukuyama, Hiroshima prefecture).

2008 and 2012

Exhibition at the Domani Exhibition, and the Travel Exhibition, commemorating the 40th anniversary of the Overseas Study Program for Artists of the Agency for Cultural Affairs, at the National Art Center (Roppongi, Tokyo).

2014

Connecting Heaven and Earth, a chain monument 7.5 m. tall, and Birth (marble), both for the OSG Corporation (Toyokawa).

2015

Rainbow Bridge, a chain monument for the OSG Corporation, 10 m. tall and 10 m. wide.