Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5502845 | Siphon-jet flush water supply system for toilet stool | Ryosuke Hayashi, Katsuichi Irifune, Yoshiki Ohta, Takashi Yoshioka, Atsuo Makita +5 more | 1996-04-02 |
| 5469586 | Toilet bowl flushing device | Hisato Haraga, Atsuo Makita, Hirofumi Takeuchi | 1995-11-28 |
| 5400961 | Electromechanical thermostatic mixing valve | Kinya Arita, Yoshinobu Uchimura, Yasuhide Kimura | 1995-03-28 |
| 5315719 | Water closet flushing apparatus | Atsuo Makita, Hirofumi Takeuchi, Shinji Shibata, Noboru Shinbara | 1994-05-31 |
| 5259073 | Water closet flushing apparatus | Atsuo Makita, Hirofumi Takeuchi, Shinji Shibata, Noboru Shinbara | 1993-11-09 |
| 5155870 | Water closet flushing apparatus | Atsuo Makita, Hirofumi Takeuchi, Shinji Shibata, Noboru Shinbara | 1992-10-20 |
| 5133089 | Water closet flushing apparatus | Atsuo Makita, Hirofumi Takeuchi, Shinji Shibata, Noboru Shinbara | 1992-07-28 |
| 5085399 | Automatically operating valve for regulating water flow and faucet provided with said valve | Hisato Haraga, Kinya Arita, Atsuo Makita, Hirofumi Takeuchi, Ryoichi Tsukada | 1992-02-04 |
| 5063622 | Water supply control system | Takao Yoshida, Shoji Inoue | 1991-11-12 |
| 4989277 | Toilet bowl flushing device | Hisato Haraga, Atsuo Makita, Hirofumi Takeuchi | 1991-02-05 |
| 4980933 | Washing device for parts of human body | Hisato Haraga, Kiyoshi Fujino, Yoshinobu Uchimura, Yoshiki Kawamura | 1991-01-01 |
| 4971106 | Automatically operating valve for regulating water flow and faucet provided with said valve | Hisato Haraga, Kinya Arita, Atsuo Makita, Hirofumi Takeuchi, Ryoichi Tsukada | 1990-11-20 |
| 4967794 | Automatically operating valve for regulating water flow and faucet provided with said valve | Hisato Haraga, Kinya Arita, Atsuo Makita, Hirofumi Takeuchi, Ryoichi Tsukada | 1990-11-06 |
| 4955535 | Automatically operating valve for regulating water flow and faucet provided with said valve | Hisato Haraga, Kinya Arita, Atsuo Makita, Hirofumi Takeuchi, Ryoichi Tsukada | 1990-09-11 |
| 4922861 | Multiple-purpose instantaneous gas water heater | Hideki Kawaguchi, Keiji Hayashi, Masahiro Kayano, Shingo Tanaka, Hiroshi Kobayashi +2 more | 1990-05-08 |
| 4819587 | Multiple-purpose instantaneous gas water heater | Hideki Kawaguchi, Keiji Hayashi, Masahiro Kayano, Shingo Tanaka, Hiroshi Kobayashi +2 more | 1989-04-11 |
| 4768705 | Cold/hot water discharging apparatus | Yukihiro Muroya, Hirofumi Takeuchi, Keiji Hayashi, Shingo Tanaka | 1988-09-06 |
| 4761836 | Washing device for parts of human body | Hirohiko Yasuda, Hidehiko Kuwahara, Hirofumi Takeuchi, Keiji Hayashi, Mitsuhiro Higuchi +1 more | 1988-08-09 |
| 4739923 | Hot/cold water mixing device | Yukihiro Muroya, Hirofumi Takeuchi, Keiji Hayashi | 1988-04-26 |
| 4653538 | Hot and cold water mixing faucet | Hidehiko Kuwahara, Hirohiko Yasuda | 1987-03-31 |
| 4501261 | Instantaneous gas water heater | Shusaku Murakami, Hidehiko Kuwahara, Shigefumi Yasunaga | 1985-02-26 |