Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6550533 | Heat exchanger and dimple tube used in the same, the tube having larger opposed protrusions closest to each end of tube | Koji Nakado | 2003-04-22 |
| 6543528 | Heat exchanger | Katsuhiro Saito, Yoshinori Watanabe, Akira Yoshikoshi, Kazuhiro Suzuki, Yujiro Anai | 2003-04-08 |
| 6530423 | Heat exchanger | Koji Nakado | 2003-03-11 |
| 6511621 | Method for injection-molding a propeller fan | Atsushi Suzuki, Fumio Kondoh, Naoki Toda, Matsuo Sakuma, Hirofumi Gouda +1 more | 2003-01-28 |