Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6415506 | Method of manufacturing heat exchanger | Yoshihiro Baba | 2002-07-09 |
| 5600992 | Die set | Yoshitomo Kanazawa, Toshiyuki Nanaarashi | 1997-02-11 |
| 5501092 | Die-punch machine | Masahide Sakaguchi | 1996-03-26 |
| 5349841 | Feeding apparatus for metal belting and manufacturing apparatus for fins of a heat exchanger | Kensaku Honma, Masahide Sakaguchi | 1994-09-27 |
| 5237849 | Method of manufacturing fins for heat exchangers | — | 1993-08-24 |
| 5159826 | Die set for manufacturing fins of heat exchangers and a manufacturing device using the same | Masahide Sakaguchi, Hideki Okabe | 1992-11-03 |