Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5648943 | Disk recording/reproduction device of reduced thickness with driving mechanism for moving heads parallel to the disk face | Yoshiyuki Omi, Seiichi Fujii, Shigeki Tsuji, Masanobu Katsuki, Yoshio Katayama | 1997-07-15 |
| 5471439 | Magnetic head device with slidable and adjustable magnetic head | Yoshio Katayama, Seiichi Fujii, Ryouichi Soejima, Hitoshi Moori, Hideo Yoshida | 1995-11-28 |
| 5233483 | Magnetic write/read device | — | 1993-08-03 |
| 4323935 | Nonprogram section detection mechanism in a cassette tape player | Satoru Koizumi, Takashi Shimamura | 1982-04-06 |