Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11421772 | Power transmission device and method for manufacturing power transmission device | Akira Kamiyama | 2022-08-23 |
| 11408487 | Forward/reverse switching mechanism | Kazuya Numata, Akira Kamiyama, Ryousuke Katsuyama, Tsukasa Shiino | 2022-08-09 |
| 11408501 | Support structure for gear | Kazuya Numata, Akira Kamiyama, Ryousuke Katsuyama, Tsukasa Shiino | 2022-08-09 |
| 8740180 | Rotary valve | Tomoki Matsui | 2014-06-03 |
| 8082607 | Sanitary cleansing apparatus and toilet apparatus | Hiroki Fujimura, Saki Nakao, Tatsuya Fukuda | 2011-12-27 |
| D522618 | Ball valve | — | 2006-06-06 |
| 5983413 | High performance flush toilet | Ryosuke Hayashi, Ken Wijaya, Kinya Arita, Ryoichi Tsukada, Shinji Shibata | 1999-11-16 |
| 5918325 | Flush toilet bowl | Kinya Arita, Ryouichi Tsukada, Shinji Shibata | 1999-07-06 |
| 5850639 | Tank device for flushing toilet bowl | Kinya Arita, Shinji Shibata | 1998-12-22 |