Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4642544 | Control circuit for driving step motor | Takashi Furumura | 1987-02-10 |
| 4482928 | Tracking control system for magnetic recording and reproducing system | Ryusuke Moriya, Takeo Eguchi | 1984-11-13 |
| 4441128 | Rotary transducer head assembly | Hirohisa Koga | 1984-04-03 |
| 4438465 | Tracking control system for an information signal recording and reproducing apparatus | Ryusuke Moriya, Takeo Eguchi | 1984-03-20 |
| 4438469 | Deflectable transducer mounting assembly | Hirohisa Koga | 1984-03-20 |