Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5311935 | Corrugated fin type heat exchanger | Mikio Fukuoka | 1994-05-17 |
| 5307870 | Heat exchanger | Sadayuki Kamiya, Satoshi Matsuura, Mitsugu Nakamura, Norimasa Baba, Eiichi Torigoe +3 more | 1994-05-03 |
| 5271458 | Corrugated louver fin type heat exchanging device | Mikio Fukuoka | 1993-12-21 |