Issued Patents 1989
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854041 | Method of manufacturing a switch base | Teisuke Nukada, Michio Ito | 1989-08-08 |
| 4851619 | Miniature switch | Yasushi Fujita | 1989-07-25 |
| 4850138 | Door with an adjustable louver | Kayo Watanabe, Yoshihiro Aoki | 1989-07-25 |
| 4841509 | Apparatus and method for detecting focus error signal and tracking error signal in an optical disk system | Toshimasa Kamisada | 1989-06-20 |
| 4838649 | Apparatus for driving objective lens | Atsushi Ichikawa, Masamichi Ito | 1989-06-13 |
| 4835209 | Rubber for tire treads and compositions thereof | Yuichi Kitagawa, Haruo Yamada | 1989-05-30 |
| D301136 | Push button switch | — | 1989-05-16 |
| 4827489 | Decoding device for digital signals | Nobukazu Doi, Hideki Imai, Morishi Izumita, Seiichi Mita, Hiroto Yamauchi +2 more | 1989-05-02 |
| 4807212 | Correcting for comatic aberration in an optical head of an optical disk apparatus | Tokuya Kaneda, Masateru Watanabe, Tomoji Osumi, Nobuo Suzuki | 1989-02-21 |