Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5686197 | Fuel cell | Koji Nishida, Taku Matsutani | 1997-11-11 |
| 5598416 | Data communication system | Osamu Kato | 1997-01-28 |
DY
Daisuke Yamada
Overall (1997): #42,470 of 185,788Top 25%
2
Patents 1997