Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6795981 | Water discharging device | Minoru Sato, Makoto Hatakeyama, Yasuo Hamada | 2004-09-28 |
| 5983413 | High performance flush toilet | Ryosuke Hayashi, Ken Wijaya, Ryoichi Tsukada, Shinji Shibata, Hiroyuki Matsushita | 1999-11-16 |
| 5926863 | Low flush volume toilet | Ryoichi Tsukada, Shinji Shibata | 1999-07-27 |
| 5918325 | Flush toilet bowl | Ryouichi Tsukada, Shinji Shibata, Hiroyuki Matsushita | 1999-07-06 |
| 5850639 | Tank device for flushing toilet bowl | Shinji Shibata, Hiroyuki Matsushita | 1998-12-22 |
| 5400961 | Electromechanical thermostatic mixing valve | Osamu Tsutsui, Yoshinobu Uchimura, Yasuhide Kimura | 1995-03-28 |
| 5085399 | Automatically operating valve for regulating water flow and faucet provided with said valve | Osamu Tsutsui, Hisato Haraga, Atsuo Makita, Hirofumi Takeuchi, Ryoichi Tsukada | 1992-02-04 |
| 4971106 | Automatically operating valve for regulating water flow and faucet provided with said valve | Osamu Tsutsui, Hisato Haraga, Atsuo Makita, Hirofumi Takeuchi, Ryoichi Tsukada | 1990-11-20 |
| 4967794 | Automatically operating valve for regulating water flow and faucet provided with said valve | Osamu Tsutsui, Hisato Haraga, Atsuo Makita, Hirofumi Takeuchi, Ryoichi Tsukada | 1990-11-06 |
| 4955535 | Automatically operating valve for regulating water flow and faucet provided with said valve | Osamu Tsutsui, Hisato Haraga, Atsuo Makita, Hirofumi Takeuchi, Ryoichi Tsukada | 1990-09-11 |