Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6620540 | Fuel cell stack | Yoshinori Wariishi | 2003-09-16 |
| 6613470 | Solid polymer electrolyte fuel cell stack | Noriaki Osao, Takeshi Ushio | 2003-09-02 |
NS
Narutoshi Sugita
Overall (2003): #50,193 of 273,478Top 20%
2
Patents 2003