Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11492790 | Flush toilet deodorizing device | Kiyotake Ukigai, Yuya Otowa, Shunichi Nakamichi, Kanako Isono | 2022-11-08 |
| 11105080 | Toilet space deodorizing device and sanitary washing device | Kiyotake Ukigai, Yuya Otowa, Shunichi Nakamichi, Kanako Isono | 2021-08-31 |
| 11047121 | Toilet space deodorizing device and sanitary washing device | Kiyotake Ukigai, Yuya Otowa, Shunichi Nakamichi, Kanako Isono | 2021-06-29 |