Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10077547 | Flush toilet | Shu Kashirajima, Satoshi Yamakawa, Kazuyoshi Mizoguchi, Masaki Kitamura | 2018-09-18 |
| 9702135 | Flush toilet | Shu Kashirajima, Satoshi Yamakawa, Kazuyoshi Mizoguchi, Masaki Kitamura | 2017-07-11 |
| 7661153 | Flush toilet | Kenichi Nakamura, Tsuyoshi Ozeki, Toshifumi Yoneda, Tomoyasu Ichiki, Hiroshi Tomonari +1 more | 2010-02-16 |
| 7325258 | Flush toilet | Toshifumi Yoneda, Tomohiro Hirakawa | 2008-02-05 |