Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5170842 | Fin-tube type heat exchanger | Kaoru Kato | 1992-12-15 |
| 5117902 | Fin tube heat exchanger | Hisao Kusuhara, Shoichi Yokoyama, Kaoru Kato | 1992-06-02 |
| 4832117 | Fin tube heat exchanger | Kaoru Kato, Masashi Kawai | 1989-05-23 |
| 4625378 | Method of manufacturing fin-tube heat exchangers | Satoshi Tanno, Yukichi Aoki, Hironori Ito, Hiroshi Yoneda, Shigeo Aoyama | 1986-12-02 |