Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11885109 | Washdown flush toilet | — | 2024-01-30 |
| 11560705 | Washdown flush toilet | — | 2023-01-24 |
| 10526775 | Toilet and toilet apparatus | Kenichi Nakamura, Hiroshi Hashimoto, Shuichi Nagashima, Mayu Okubo, Shinichi Urata +3 more | 2020-01-07 |
| 10428507 | Flush toilet | Hiroshi Hashimoto, Shinichi Urata, Shuichi Nagashima, Mayu Okubo, Daisuke Yamamoto +2 more | 2019-10-01 |
| 10344464 | Flush toilet | Hiroshi Hashimoto, Shinichi Urata, Shuichi Nagashima, Mayu Okubo, Daisuke Yamamoto +2 more | 2019-07-09 |
| 10323400 | Wash-out type toilet | Hiroshi Hashimoto, Shinichi Urata, Shuichi Nagashima, Mayu Okubo, Daisuke Yamamoto +2 more | 2019-06-18 |
| 10273672 | Flush toilet | Tatsunari HARASHIMA, Ryoko Ishimaru, Kenichi Nakamura | 2019-04-30 |
| 10174490 | Flush toilet | Tatsunari HARASHIMA, Ryoko Ishimaru, Kenichi Nakamura | 2019-01-08 |