Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6620493 | Reflection-reducing film | Hiroaki Hasegawa, Munetake Tajima, Hirokazu Hasimoto | 2003-09-16 |
| 6599651 | Separator of proton exchange fuel cell and its manufacturing method | Kazuo Saito, Kazutoshi Takaishi, Masashi Takahashi | 2003-07-29 |