Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6662860 | Heat transfer pipe for liquid medium having grooved inner surface and heat exchanger employing the same | Takashi Iwamoto, Shinichi Ono, Yukio Sato, Masayuki Kawai, Yasushi Owaki +2 more | 2003-12-16 |