Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |