Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9897219 | Pressure reduction valve and gas supply device | Norihiko Saito, Sogo Goto, Masaaki Kondo, Akira Yamashita, Eiji Okawachi +2 more | 2018-02-20 |
| 9810327 | Pressure reducing valve | Toshihiko Shima, Hidetoshi Fujiwara, Munetoshi Kuroyanagi, Toshikatsu Kubo, Eiji Okawachi +3 more | 2017-11-07 |