Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5643436 | Architectural material using metal oxide exhibiting photocatalytic activity | Takatoshi Ogawa, Nobuo Tsubouchi, Toshio Saito, Tamotsu Hasegawa, Akira Fujishima +1 more | 1997-07-01 |
| 5595813 | Architectural material using metal oxide exhibiting photocatalytic activity | Takatoshi Ogawa, Nobuo Tsubouchi, Toshio Saito, Tamotsu Hasegawa, Akira Fujishima +1 more | 1997-01-21 |
| 5122191 | Admixture and cement composition using same | Masahiro Morozumi, Takashi Iwashimizu, Masahiro Yamashita, Kenji Hayashi, Yukihiro Tanigawa +2 more | 1992-06-16 |
| 4956403 | Suppression of pressure water absorption of lightweight aggregate by aqueous dispersion therein of anionic polymers | Toshio Yonezawa, Takashi Iwashimizu, Koichi Ito, Kunio Sakaue, Tetsuo Nakase | 1990-09-11 |
| 4743301 | Concrete composition for underwater use | Koichi Ito, Masaharu Sakuta, Tadahiro Kaya, Tsunetoshi Shioya, Hiroyuki Yamakawa +1 more | 1988-05-10 |
| 4508572 | Cement composition for laying underwater | Masaharu Sakuta, Soichi Kiya, Iwao Uchizaki, Koichi Ito, Tadahiro Kaya +3 more | 1985-04-02 |
| 4487633 | Water-inseparable concrete composition | Masaharu Sakuta, Soichi Kiya, Iwao Uchizaki, Koichi Ito, Toshio Saito +3 more | 1984-12-11 |