Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6761990 | Solid polymer electrolyte fuel cell | Eiji Yanagisawa, Eiji Endoh, Yasuhiro Kunisa | 2004-07-13 |
| 6734132 | Polymer electrolyte fuel cell, electrode for it and method for producing it | Naoki Yoshida, Toyoaki Ishizaki, Shinji Terazono | 2004-05-11 |