Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5994426 | Solid-polymer-electrolyte membrane for fuel cell and process for producing the same | Shinji Nezu | 1999-11-30 |
| 5817718 | Solid-polymer-electrolyte membrane for fuel cell and process for producing the same | Shinji Nezu | 1998-10-06 |