Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670065 | Solid polymer electrolyte, a membrane using thereof, a solution for coating electrode catalyst, a membrane/electrode assembly, and a fuel cell | Toru Koyama, Toshiyuki Kobayashi, Kenji Yamaga, Tomoichi Kamo | 2003-12-30 |
| 6548342 | Method of producing oxide dielectric element, and memory and semiconductor device using the element | Takaaki Suzuki, Toshihide Nabatame | 2003-04-15 |