Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5176812 | Copper fin material for heat-exchanger and method of producing the same | Hideo Suda, Norimasa Sato, Katsuhiko Takada, Sumio Susa, Yasushi Aiyoshizawa | 1993-01-05 |
| 5063117 | Copper fin material for heat-exchanger and method of producing the same | Hideo Suda, Norimasa Sato, Katsuhiko Takada, Sumio Susa, Yasushi Aiyoshizawa | 1991-11-05 |
| 4743427 | High potent and high electroconductive copper alloy suitable for fin material of heat-exchanger | Hiroshi Horikawa, Norimasa Satou, Akihiro Ooguri | 1988-05-10 |