Issued Patents 2002
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6491092 | Heat exchanger | Koji Nakado | 2002-12-10 |
| 6484797 | Laminated type heat exchanger | Katsuhiro Saito, Yoshinori Watanabe, Akira Yoshikoshi | 2002-11-26 |
| 6470964 | Heat exchanger tube | Koji Nakado | 2002-10-29 |
| 6453988 | Heat exchanger and dimple tube used in the same, the tube having larger opposed protrusions closest to each end of tube | Koji Nakado | 2002-09-24 |
| 6453989 | Heat exchanger | Yoshinori Watanabe, Akira Yoshikoshi, Atsushi Suzuki, Kiyoto Yasui, Hiroshi Iokawa +3 more | 2002-09-24 |
| 6348962 | Device for image-shooting both sides of documents | Tomohiro Nakagawa, Koji Asako, Keizou Uchioke, Yasutoshi Kawabata | 2002-02-19 |