Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835487 | Stainless steel separator for fuel cells, method for making the same, and solid polymer fuel cell including the same | Kenji Takao, Takeshi Yokota, Osamu Furukimi, Shin Ishikawa, Kazuhide Ishii | 2004-12-28 |
| 6756099 | Laminated resin material | Yutaka Araki, Yukio Nagashima | 2004-06-29 |