Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11447942 | Toilet seat device and toilet device | Kazuki Koga, Hiroaki Watanabe, Tomoya Sasaki | 2022-09-20 |
| 10837162 | Toilet device | Isato Hirasawa, Saori Ichihara, Kentarou TSUJI, Hiroto KUTSUZAWA, Tomoya Sasaki +3 more | 2020-11-17 |