Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11105080 | Toilet space deodorizing device and sanitary washing device | Kiyotake Ukigai, Yuya Otowa, Shoko Uemoto, Shunichi Nakamichi | 2021-08-31 |
| 11047121 | Toilet space deodorizing device and sanitary washing device | Kiyotake Ukigai, Yuya Otowa, Shoko Uemoto, Shunichi Nakamichi | 2021-06-29 |