Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12270191 | Toilet management system and management device | Makoto Saruta, Shoji Ogawa, Hideyuki Ida, Rina Nagai, Keita Matsudate +3 more | 2025-04-08 |
| 12062000 | Information providing apparatus and information providing program | Shoji Ogawa, Makoto Saruta | 2024-08-13 |
| 11866923 | Toilet management system and management device | Makoto Saruta, Shoji Ogawa, Hideyuki Ida, Rina Nagai, Keita Matsudate +3 more | 2024-01-09 |
| 11326330 | Toilet management system and management device | Makoto Saruta, Shoji Ogawa, Hideyuki Ida, Rina Nagai, Keita Matsudate +3 more | 2022-05-10 |