Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12270191 | Toilet management system and management device | Makoto Saruta, Shoji Ogawa, Hiroki Shigetomo, Hideyuki Ida, Rina Nagai +3 more | 2025-04-08 |
| 11866923 | Toilet management system and management device | Makoto Saruta, Shoji Ogawa, Hiroki Shigetomo, Hideyuki Ida, Rina Nagai +3 more | 2024-01-09 |
| 11326330 | Toilet management system and management device | Makoto Saruta, Shoji Ogawa, Hiroki Shigetomo, Hideyuki Ida, Rina Nagai +3 more | 2022-05-10 |
| 10850176 | Sensor device | Yoshio Oguchi, Kosei Yamashita, Hideyuki Matsunaga, Shinji Yamamura, Tatsuhiro Obara | 2020-12-01 |