Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5669439 | Laminated type heat exchanger | Etsuo Hasegawa, Masatoshi Sudo, Keiichi Yoshii | 1997-09-23 |
| 5653283 | Laminated type heat exchanger | Keiichi Yoshii, Etsuo Hasegawa, Masatoshi Sudo | 1997-08-05 |
| 5632161 | Laminated-type evaporator | Masahiro Shimoya, Keiichi Yoshii, Ryouichi Sanada | 1997-05-27 |
| 5609036 | Evaporator for cooling apparatus | Etuo Hasegawa, Nobuharu Kakehashi | 1997-03-11 |