Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8026018 | Electrolyte membrane-electrode assembly and production method thereof | Yozo Okuyama, Yasuhiro Numao | 2011-09-27 |
| 7901836 | Polymer electrolyte fuel cell | Shinji Yamamoto | 2011-03-08 |