Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9120730 | Surface modified material, sulfonimide compound for surface modification, and fuel cell | Naoki Hasegawa | 2015-09-01 |
| 8815469 | Electrolyte, and fuel cell, Li secondary battery, secondary battery and primary battery using the electrolyte | Naoki Hasegawa, Koji Yamada, Susumu Yamaguchi | 2014-08-26 |
| 8440365 | Electrolyte, production process therefor, electrolyte membrane, production process therefor, catalyst layer and fuel cell | Naohiro Hoshikawa, Naoki Hasegawa, Yoichi Hosokawa, Masaya Kawasumi, Hiromitsu Tanaka +2 more | 2013-05-14 |