Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8563194 | Electrolyte membrane for polymer electrolyte fuel cell and method of manufacturing the same | Hiroyuki Nishii, Tooru Sugitani, Otoo Yamada | 2013-10-22 |
| 8304135 | Proton-conductive polymer electrolyte membrane, method of manufacturing the proton-conductive polymer electrolyte membrane, and membrane-electrode assembly and polymer electrolyte fuel cell using the proton-conductive polymer electrolyte membrane | Tooru Sugitani, Hiroyuki Nishii, Otoo Yamada | 2012-11-06 |
| 8023779 | Optical touch panel | Yusuke Shimizu | 2011-09-20 |