Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12270188 | Flush toilet | Hiroshi Hashimoto, Kenichi Nakamura, Shinichi Urata, Kazunari Yasui, Yuichi Tsubone +2 more | 2025-04-08 |
| 11198996 | Flush toilet | Akira Shinomiya, Hiroshi Hashimoto, Takashi Ogami, Haruka Saito, Takumi Tsuchitani | 2021-12-14 |
| 11072920 | Flush toilet | Akira Shinomiya, Hiroshi Hashimoto, Takashi Ogami, Takumi Tsuchitani, Haruka Saito | 2021-07-27 |
| 10526775 | Toilet and toilet apparatus | Kenichi Nakamura, Hiroshi Hashimoto, Shuichi Nagashima, Mayu Okubo, Shoko Imaizumi +3 more | 2020-01-07 |
| 10358810 | Discharge socket and flush toilet having same | Haruka Saito, Hiroshi Tomonari, Hideto Tomiyoshi, Shigeru Okada | 2019-07-23 |
| 10287764 | Flush toilet | Takahiro Nakashima, Nobuhiro Hayashi, Hidekazu Kitaura, Haruka Saito | 2019-05-14 |
| 10287767 | Flush toilet | Nobuhiro Hayashi, Hidekazu Kitaura, Takahiro Nakashima, Haruka Saito | 2019-05-14 |