Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6907922 | Heat exchanger | Yoshiki Katoh, Ken Muto, Etsuo Hasegawa | 2005-06-21 |
| 6827139 | Heat exchanger for exchanging heat between internal fluid and external fluid and manufacturing method thereof | Ken Muto, Norihide Kawachi, Ken Yamamoto, Etsuo Hasegawa, Yoshiki Katoh | 2004-12-07 |
| 6755046 | Vehicle air conditioner with heat pump refrigerant cycle | Shin Nishida, Kouji Matsunaga | 2004-06-29 |