Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7751686 | Data recording apparatus, data reproducing apparatus, data recording method, and data reproducing method | Kenji Morimoto, Hirofumi Nakagaki, Yoshiyasu Kuramoto, Atsuo Ochi | 2010-07-06 |
| 6711345 | Data stream recording/reproducing apparatus, recording/reproducing method, and recording medium | Yasuaki Tohyama, Atsuo Ochi, Naoshi Usuki | 2004-03-23 |
| 6005507 | Data decoding apparatus | Atsuo Ochi, Hirofumi Nakagaki, Naoshi Usuki | 1999-12-21 |
| 5535244 | Digital modulating/demodulating apparatus and a digital demodulating apparatus | Hiroshi Higashitani, Haruo Ohta | 1996-07-09 |
| 5465158 | Video tape recorder capable of recording and reproducing wide-band chrominance signal | Yoshihiro Morioka, Masaaki Kobayashi, Mutsuyuki Okayama, Kohei Suzuki | 1995-11-07 |
| 5402272 | Digital signal magnetic recording/reproducing apparatus using amplitude phase shift keying and frequency-multiplexing | Haruo Ohta, Masaaki Kobayashi | 1995-03-28 |
| 5335125 | Video signal magnetic recording and reproducing apparatus | Yoshihiro Morioka, Masaaki Kobayashi | 1994-08-02 |
| 5255127 | Digital modulated signal demodulator/decoder apparatus | Hiroaki Shimazaki, Haruo Ohta, Masaaki Kobayashi | 1993-10-19 |
| 5233479 | Apparatus for demodulating and decoding multi-level amplitude modulation signal conveying digital data | Haruo Ohta, Masaaki Kobayashi | 1993-08-03 |
| 5124861 | Digital signal magnetic recording and playback apparatus employing quadrature amplitude modulation | Masafumi Shimotashiro, Toyohiko Matsuta, Masaaki Kobayashi, Hiroaki Shimazaki | 1992-06-23 |
| 5119243 | Digital signal magnetic recording/reproducing apparatus | Hiroaki Shimazaki, Toyohiko Matsuta, Masafumi Shimotashiro, Masaaki Kobayashi | 1992-06-02 |
| 5062007 | Digital signal magnetic recording/reproducing apparatus | Hiroaki Shimazaki, Toyohiko Matsuta, Masafumi Shimotashiro, Masaaki Kobayashi | 1991-10-29 |