Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10006559 | Valve device | Akira Nakano, Shusuke Inagi, Akira Yamashita | 2018-06-26 |
| 9897219 | Pressure reduction valve and gas supply device | Norihiko Saito, Sogo Goto, Masaaki Kondo, Akira Yamashita, Eiji Okawachi +2 more | 2018-02-20 |