Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5209699 | Magnetic drive device | Taisaku Hashimoto, Shigemi Miki, Ryuji Sugimoto | 1993-05-11 |
| 5138501 | Magnetic recorder/reproducer for recording digital signal on a plurality of tracks of magnetic recording media and reproducing the same | Yukihiko Haikawa | 1992-08-11 |
| 5121264 | Method and apparatus for reproduction of magnetic tape by using rotary drum heads | — | 1992-06-09 |
| 5113295 | Recording and reproducing apparatus for rewriting data onto a previously recorded medium using a relaying operation | Kengo Sudoh | 1992-05-12 |
| 5111151 | Digital phase locked loop system | — | 1992-05-05 |
| 4916403 | Digital phase-locked loop system | Kengo Sudoh, Hiroyuki Matsuoka | 1990-04-10 |
| 4845574 | Apparatus for recording and reproducing digital signals on magnetic tape | Katsubumi Koyanagi, Syuhei Yasuda | 1989-07-04 |
| 4700241 | Apparatus for recording and reproducing digital signals | Syuhei Yasuda, Taizo Sasada | 1987-10-13 |