Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6968891 | Louver fin and corrugation cutter for forming louver fin | Kenji Tochigi, Hirokazu Yaezawa | 2005-11-29 |
| 6874230 | Method of manufacturing heat exchanger | Hiroshi Chikuma, Yoshinobu Okuno | 2005-04-05 |