Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6935414 | Tube and heat exchanger having the same | Norihide Kawachi, Ken Yamamoto | 2005-08-30 |
| 6923019 | Heat exchanger | Etsuo Hasegawa, Ken Muto | 2005-08-02 |
| 6907922 | Heat exchanger | Yoshiki Katoh, Ken Muto, Etsuo Hasegawa | 2005-06-21 |