Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5829468 | Valve device using pipes and method of manufacturing it | Hachihei Watanabe, Masatoshi Enoki, Katsuaki Nakamura, Tsuguya Okubo, Akira Yubisui +4 more | 1998-11-03 |
| 5730167 | Hot and cold water mixing device | Masatoshi Enoki, Toshihide Ushita, Hideyuki Matsui, Yuji Matsuo, Mineo Nakashima +2 more | 1998-03-24 |