Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6933068 | Polymer electrolyte membrane and solid polymer electrolyte fuel cell using same | Yoichi Asano, Masaaki Nanaumi, Nagayuki Kanaoka, Hiroshi Sohma, Nobuhiro Saito +4 more | 2005-08-23 |