Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7453665 | Method of adjusting magnetic head of magnetic tape recording and reproducing apparatus and magnetic tape recording and reproducing apparatus | Hisato Hirasaka | 2008-11-18 |
| 7420758 | Head system, recording and reproduction system, and magnetic recording method | Yasutoshi Inoue, Hiroaki Hida, Tetsuro Makise, Ichiro Hashimoto | 2008-09-02 |
| 6954334 | Magnetic head and rotary head drum device | Hisato Hirasaka, Fumiharu Sudo | 2005-10-11 |
| 5481413 | Magnetic recording and reproducing apparatus for a helical-scan system adapted for reproduction of data in a reverse sequential order from recording of data | Hideaki Kawada | 1996-01-02 |
| 4559523 | Analog to digital converter | — | 1985-12-17 |
| 4270116 | High speed data logical comparison device | Yoshichika Ichimiya, Tsuneta Sudo, Hiromi Maruyama, Shigeru Sugamori, Susumu Sumida +1 more | 1981-05-26 |