Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11749823 | Method for manufacturing fuel cell stack body and method for manufacturing fuel cell stack | — | 2023-09-05 |
| 11047052 | Resin plating method | Koji Kita, Kuniaki Otsuka | 2021-06-29 |
| 9920416 | Blackening treatment solution for black Cr—Co alloy plating film | Junichi Katayama, Ryuichi Tamura | 2018-03-20 |
| 9657226 | Composition for etching treatment of resin material | Koji Kita, Kuniaki Otsuka | 2017-05-23 |
| 6086103 | Pressurized-fuel tank installation structure in motorcar | Masami Fukagawa, Masayuki Sano, Hideya Miyashiro | 2000-07-11 |