Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6153844 | Integrated key top assembly | Manabu Uchizawa | 2000-11-28 |
| 4869090 | Method of processing base plate for magnetic disc | Masuo Tada, Kazuhiko Akamatsu, Takaaki Fukumoto, Toshiaki Ohmori | 1989-09-26 |