Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8013241 | Ionic gel electrolyte, dye-sensitized photoelectric conversion device and solar cell | Nagatoshi Koumura, Koujirou Hara, Zhong-Sheng Wang, Nobuyuki Tamaoki | 2011-09-06 |
| 7993793 | Process for producing polymer electrolyte membranes for fuel cells, polymer electrolyte membranes for fuel cells produced by the process, and fuel cell membrane-electrode assemblies using the membranes | Masaharu Asano, Jinhua Chen, Yasunari Maekawa, Toshimitsu Tachibana, Yozo Nagai +1 more | 2011-08-09 |
| 7919537 | Methods for producing a polymer electrolyte membrane having improved oxidation resistance | Yozo Nagai, Toshimitsu Tachibana, Soji Nishiyama, Tetsuya Yamaki, Masaharu Asano | 2011-04-05 |