Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6660108 | Method for manufacturing a fin material for brazing | Akira Kawahara | 2003-12-09 |
| 6620265 | Method for manufacturing an aluminum alloy fin material for brazing | Akira Kawahara | 2003-09-16 |
| 6523605 | Heat exchanger made of an aluminum alloy | Koji Okada, Takeshi Iguchi, Takaaki Sakane, Yoshihiro Kinoshita, Taketoshi Toyama +3 more | 2003-02-25 |