Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5852593 | Reproduction apparatus and method for successively playing back information from a plurality of recording media | Masayuki Ishida, Manabu Tsukamoto, Nobuaki Hirai, Yoshinobu Ishida | 1998-12-22 |
| 5748585 | Disc apparatus for selectively outputting data from a disc and a memory | Manabu Tsukamoto, Nobuaki Hirai, Yoshinobu Ishida, Masayuki Ishida | 1998-05-05 |
| 5680379 | Information reproduction apparatus having means to control maximum delay of information being read from memory | Masayuki Ishida, Manabu Tsukamoto, Nobuaki Hirai, Yoshinobu Ishida | 1997-10-21 |
| 5587978 | Record/reproduction apparatus for recording/reproducing multi-channel signals in different areas of a recording medium | Masayuki Ishida, Yoshinobu Ishida, Manabu Tsukamoto, Nobuaki Hirai | 1996-12-24 |
| 5491590 | Rotary head recording and playback apparatus and method | Masayuki Ishida | 1996-02-13 |
| 5461630 | Magnetic recorder/reproducer | Masayuki Ishida, Yoshinobu Ishida | 1995-10-24 |
| 5353290 | Magnetic recorder/reproducer | Masayuki Ishida, Yoshinobu Ishida | 1994-10-04 |
| 5233480 | Magnetic recorder/reproducer | Masayuki Ishida, Yoshinobu Ishida | 1993-08-03 |
| 5146370 | Magnetic recorder/reproducer | Masayuki Ishida, Yoshinobu Ishida | 1992-09-08 |
| 5113293 | Magnetic recorder/reproducer | Masayuki Ishida, Yoshinobu Ishida | 1992-05-12 |
| 4965809 | Uplink cross-polarization interference canceller using correlation calculator and stepwise tracking controller | — | 1990-10-23 |
| 4905100 | Magnetic recorder/reproducer | Masayuki Ishida, Yoshinobu Ishida | 1990-02-27 |
| 4835627 | Magnetic recorder/reproducer | Masayuki Ishida, Yoshinobu Ishida | 1989-05-30 |
| 4675754 | Magnetic recorder/reproducer | Masayuki Ishida, Yoshinobu Ishida | 1987-06-23 |