Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7964319 | Fuel cell in which proton conductive gel is used and manufacturing method thereof, and electric power generation method | Takashi Ohtsuka, Atsushi Omote, Yuji Zenitani | 2011-06-21 |