Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE38390 | Read/write head retract mechanism | Junji Kawada, Tetsu Yamamoto | 2004-01-20 |
| 6301472 | Portable telephone system | Jiro Nakasu, Hideki Hayashi, Tomoaki Tsukada, Kunio Kodaka, Kazuhiro Yamamoto +2 more | 2001-10-09 |
| RE36672 | Read/write head retract mechanism | Junji Kawada, Tetsu Yamamoto | 2000-04-25 |
| 5189575 | Read/write head retract mechanism | Junji Kawada, Tetsu Yamamoto | 1993-02-23 |
| 4255770 | Dustproof type magnetic disc apparatus | — | 1981-03-10 |