Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7494738 | Fuel cell separator and method of manufacturing the same | Takashi Ito, Takao Matsui, Yoshiaki Hirose | 2009-02-24 |
| 6949305 | Separator for fuel cell, method for producing separator and fuel cell applied with separator | Shinji Nezu, Masami Ishii | 2005-09-27 |
| 6723179 | Soft magnetism alloy powder, treating method thereof, soft magnetism alloy formed body, and production method thereof | Wataru Yagi, Kota Maruyama, Yoshiharu Iyoda, Aiko Nakashima, Naoki Kamiya | 2004-04-20 |
| 5090227 | Roll forming apparatus | Shin Takeda, Masami Ishii, Mitsuhiro Ozawa | 1992-02-25 |