Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6935414 | Tube and heat exchanger having the same | Masaaki Kawakubo, Ken Yamamoto | 2005-08-30 |
| 6883599 | Heat exchanger with corrugated plate | Ken Yamamoto, Takeshi Okinotani | 2005-04-26 |