Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5109550 | Flush water supply system for toilet stool | Atsuo Makita, Shinji Shibata, Noboru Shimbara | 1992-05-05 |
| 5087455 | Hollow granular medicine and its preparation | Toshiyuki Niwa, Yoshiaki Kawashima, Yoji Ito | 1992-02-11 |
| 5085399 | Automatically operating valve for regulating water flow and faucet provided with said valve | Osamu Tsutsui, Hisato Haraga, Kinya Arita, Atsuo Makita, Ryoichi Tsukada | 1992-02-04 |
| 5057323 | Hollow granular medicine and its preparation | Toshiyuki Niwa, Yoshiaki Kawashima, Yoji Ito | 1991-10-15 |
| 5052060 | Flush water supply system for toilet stool | Atsuo Makita, Shinji Shibata, Noboru Shimbara | 1991-10-01 |
| 4989277 | Toilet bowl flushing device | Osamu Tsutsui, Hisato Haraga, Atsuo Makita | 1991-02-05 |
| 4971106 | Automatically operating valve for regulating water flow and faucet provided with said valve | Osamu Tsutsui, Hisato Haraga, Kinya Arita, Atsuo Makita, Ryoichi Tsukada | 1990-11-20 |
| 4967794 | Automatically operating valve for regulating water flow and faucet provided with said valve | Osamu Tsutsui, Hisato Haraga, Kinya Arita, Atsuo Makita, Ryoichi Tsukada | 1990-11-06 |
| 4955535 | Automatically operating valve for regulating water flow and faucet provided with said valve | Osamu Tsutsui, Hisato Haraga, Kinya Arita, Atsuo Makita, Ryoichi Tsukada | 1990-09-11 |
| 4768705 | Cold/hot water discharging apparatus | Osamu Tsutsui, Yukihiro Muroya, Keiji Hayashi, Shingo Tanaka | 1988-09-06 |
| 4761836 | Washing device for parts of human body | Osamu Tsutsui, Hirohiko Yasuda, Hidehiko Kuwahara, Keiji Hayashi, Mitsuhiro Higuchi +1 more | 1988-08-09 |
| 4739923 | Hot/cold water mixing device | Osamu Tsutsui, Yukihiro Muroya, Keiji Hayashi | 1988-04-26 |
| 4726966 | Preparation of coated granular ibuprofen microsphere | Yoshiaki Kawashima, Toshiyuki Niwa, Tetsurou Handa | 1988-02-23 |