Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11572682 | Flush toilet apparatus | Hiroki Tanaka, Kenji Watanabe, Satoshi Takano, Yoshikatsu Adachi, Koichi Motooka +1 more | 2023-02-07 |
| 11505932 | Water supply mechanism and flush toilet | Hiroki Tanaka | 2022-11-22 |
| 6418119 | Data transmission apparatus and method thereof | Tomoaki Hatta | 2002-07-09 |