Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6827139 | Heat exchanger for exchanging heat between internal fluid and external fluid and manufacturing method thereof | Masaaki Kawakubo, Ken Muto, Norihide Kawachi, Ken Yamamoto, Etsuo Hasegawa | 2004-12-07 |