Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846016 | Direct-coupling/differential changeover transfer apparatus | Koji Kiryu, Kazuyuki Tanaka | 1989-07-11 |
| D300323 | Disc drive assembly | Yasushi Noda, Yoshiaki Sakai | 1989-03-21 |
| 4807072 | Head position control mechanism for a magnetic disk apparatus with head locking | Mamoru Ono | 1989-02-21 |
| 4795779 | Process for producing inorganic compound-containing urea resin | Shunsuke Tazawa, Katsuhiko Kurihara, Mitsuaki Abe | 1989-01-03 |