Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5499316 | Recording and reproducing system for selectively reproducing portions of recorded sound using an index | Kousou Hayashi, Yuji Sumitomo | 1996-03-12 |
| 5442768 | Recording and reproducing data using batch erasable nonvolatile semiconductor memories capable of selectively erasing one of a plurality of data groups stored in one of the memories | Yuji Sumitomo | 1995-08-15 |
| 5371745 | Error correction apparatus for reproducing data multi-encoded with error correcting code | Chitoku Kiyonaga | 1994-12-06 |
| 5357595 | Sound recording and reproducing apparatus for detecting and compensating for recorded periods of silence during replay | Yuji Sumitomo | 1994-10-18 |
| 5339205 | Recording/reproduction apparatus with error detection capability | Chitoku Kiyonaga | 1994-08-16 |
| 5247403 | Apparatus and method for reproducing data of a recording medium | Chitoku Kiyonaga | 1993-09-21 |
| 5168396 | Rotary head type magnetic tape recording and reproducing apparatus | — | 1992-12-01 |
| 5124986 | Data recording/reproducing apparatus | Chitoku Kiyonaga | 1992-06-23 |
| 5113295 | Recording and reproducing apparatus for rewriting data onto a previously recorded medium using a relaying operation | Hiroshi Ii | 1992-05-12 |
| 5051848 | Method and apparatus for reproducing magnetic tape using rotary drum heads | Toshiji Ishii | 1991-09-24 |
| 4916403 | Digital phase-locked loop system | Hiroshi Ii, Hiroyuki Matsuoka | 1990-04-10 |
| 4903150 | Multitrack magnetic recording and reproducing apparatus and method of controlling tracking of multitrack magnetic heads | Hiromi Juso, Yukihiko Haikawa | 1990-02-20 |
| 4752840 | Multitrack magnetic recording and reproducing device | Hiromi Juso, Yukihiko Haikawa | 1988-06-21 |
| 4727438 | Multitrack magnetic recording and reproducing apparatus and method of controlling tracking of multitrack magnetic heads | Hiromi Juso, Yukihiko Haikawa | 1988-02-23 |
| 4630143 | Magnetic recording and reproducing device | Hiromi Juso, Yukihiko Haikawa | 1986-12-16 |
| 4623941 | PCM type record-playback system | Hiromi Juso, Yukihiko Haikawa | 1986-11-18 |