Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6790552 | Polymer electrolyte fuel cell | Susumu Kobayashi, Masato Hosaka, Kazuhito Hatoh, Mikio Takezawa, Takayuki Onishi | 2004-09-14 |
HM
Hikaru Murakami
Overall (2004): #209,102 of 270,089Top 80%
1
Patents 2004