Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5844739 | Method and apparatus for recording and reproducing digital data | Akira Iketani, Tatsuro Juri | 1998-12-01 |
| 5655050 | Apparatus and method for recording and reproducing digital signal in synchronization blocks | Yoshiki Yamamoto, Akira Iketani, Yasunori Kawakami, Chiyoko Matsumi | 1997-08-05 |
| 5617263 | Method of and apparatus for recording data suitable for a digital recording in a multiplexed fashion | Tatsuro Juri, Chiyoko Matsumi, Kazuo Kawakami | 1997-04-01 |
| 5321557 | Magnetic recording and reproducing apparatus having multiple magnetic heads | Masafumi Shimotashiro, Takeshi Inoue, Hiroshi Okamoto, Masaru Higashionji, Tatsushi Bannai +1 more | 1994-06-14 |
| 5313346 | Tracking error detection system having at least two magnetic heads with opposite azimuths and circuitry for detecting tracking error by determining a phase difference of output signals from all circuits based on signals produced by the magnetic heads | Masafumi Shimotashiro, Hiroshi Okamoto, Souichiro Fujioka | 1994-05-17 |