Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12270191 | Toilet management system and management device | Shoji Ogawa, Hiroki Shigetomo, Hideyuki Ida, Rina Nagai, Keita Matsudate +3 more | 2025-04-08 |
| 12062000 | Information providing apparatus and information providing program | Shoji Ogawa, Hiroki Shigetomo | 2024-08-13 |
| 11866923 | Toilet management system and management device | Shoji Ogawa, Hiroki Shigetomo, Hideyuki Ida, Rina Nagai, Keita Matsudate +3 more | 2024-01-09 |
| 11326330 | Toilet management system and management device | Shoji Ogawa, Hiroki Shigetomo, Hideyuki Ida, Rina Nagai, Keita Matsudate +3 more | 2022-05-10 |
| 11111662 | Flush toilet | Saori Ichihara, Isato Hirasawa, Tomoya Sasaki, Takeya Ichiyanagi, Sou Okuizumi | 2021-09-07 |
| 10450735 | Flush toilet | Saori Ichihara, Isato Hirasawa, Tomoya Sasaki, Takeya Ichiyanagi | 2019-10-22 |
| 5187688 | Method of counting the number of passers-by | — | 1993-02-16 |
| 4959874 | Optical wireless communication system | Tatsuhiro Suzuki | 1990-09-25 |