Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6471794 | Fin material for brazing | Takeyoshi Doko, Akira Kawahara, Sunao Fukuda, Yoshihiko Kamiya, Kenji Negura | 2002-10-29 |
| 6465113 | Aluminum alloy brazing sheet for a heat exchanger | Noriyuki Yamada, Takeyoshi Doko, Yoshiaki Ogiwara, Satoshi Tanaka, Sunao Fukuda +2 more | 2002-10-15 |
| 6461623 | Cosmetic composition | Kenzo Koike, Junichi Fukasawa, Hiroshi Ota, Tsutomu Fujimura, Kazue Tsukahara +1 more | 2002-10-08 |