Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7309542 | Membrane electrode assembly and fuel cell | Toshiya Wakahoi, Narutoshi Sugita, Shuhei Goto, Takeo Abe | 2007-12-18 |
HS
Hiroyuki Shirokawa
Overall (All Time): #3,403,561 of 4,157,543Top 85%
1
Patents All Time