Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4761836 | Washing device for parts of human body | Osamu Tsutsui, Hirohiko Yasuda, Hirofumi Takeuchi, Keiji Hayashi, Mitsuhiro Higuchi +1 more | 1988-08-09 |
| 4653538 | Hot and cold water mixing faucet | Osamu Tsutsui, Hirohiko Yasuda | 1987-03-31 |
| 4501261 | Instantaneous gas water heater | Osamu Tsutsui, Shusaku Murakami, Shigefumi Yasunaga | 1985-02-26 |