| 1945 | Born in Hokkaido Prefecture |
|---|---|
| 1970 | Resides in Italy on a fellowship from the Italian government. |
| 1991 | Individual Exhibition, “Sculpture Path,” Milan, Italy |
| 1992 | Opened Arte Piazza Bibai on the site of Sakae elementary school in hometown Bibai, Japan. |
| 1994 to 95 | Individual Exhibition, “Marble and Bronze,” Yorkshire Sculpture Park, UK |
| 1995 | Individual Exhibition, “Outdoor Sculpture Exhibition”, Pietrasanta, Italy |
| 2000 | Individual Exhibition, “Sculptures in the City,” Firenze, Italy |
| 2001 | Individual Exhibition, “Outdoor Sculpture Exhibition,” The Tokyo Metropolitan Teien Art Museum |
| 2005 | Individual Exhibition, “Amare la vita e' costruire la pace,” Assisi, Italy |
| 2007 to 2008 | Individual Exhibition, “Touching Time,” Rome, Italy |
| 2011 | Individual Exhibition, “Touching Town”, Sapporo, Japan |
| 2011 to 2012 | Individual Exhibition, “Il Mito Contemporaneo,” Taormina, Italy |
| 2012 to 2013 | “Sculpture Promenade 2012,” The Fitzwilliam Museum, Cambridge, UK |
| 2016 |
Individual Exhibition, “Touching Time”, Christie's New York, USA |
| 2017 |
“Between Sky and Water”, Aman Venice, Venice, Italy |
| 2023 to 2025 | "FORMA SUONO ANIMA", Viareggio, Italy |
| 2025 | "OLTRE LA FORMA", Pietrasanta, Italy |
Major installations of commissioned works:
Tokyo Midtown, Tokyo International Forum; Soseigawa Park, Toya Lakeside;
Northern Horse Park (Hokkaido), Arte Piazza Bibai, JR Sapporo Station; Sakata City Museum of Art (Yamagata, Japan);
Toki Messe (Niigata, Japan); Benesse Art Site Naoshima (Kagawa, Japan); Miyazaki Prefectural Art Musium;
Trajan's Markets-Foro Romano (Rome, Italy); Boboli Garden (Firenze, Italy);
Parco Solari (Milan, Italy); Bridgewater Hall (Manchester,U.K.); Garachico(Canary Islands, Spain); Aurora Place (Sydney, Australia);
APEC Naru Park (Busan, South Korea); 1251 Avenue of the Americas (New York);
Citygarden (St. Louis, U.S.); etc.