Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860823 | Laminated heat exchanger | — | 1989-08-29 |
| 4831479 | Pivot support structure for magnetic head assembly | Kazuo Kobayashi, Toru Sawada, Masao Okita, Yasunari Takayama, Kazuo Kozumi | 1989-05-16 |
| 4809112 | Back core holding clip disposed on interior side of back core | Shoichi Koyama | 1989-02-28 |
| 4800954 | Laminated heat exchanger | Yoshikiyo Nagasaka, Isamu Kurosawa | 1989-01-31 |