Issued Patents All Time
Showing 76–89 of 89 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5500679 | Method and apparatus for deriving a video signal corresponding to a standard definition signal from a high definition signal | Yasuhiko Teranishi, Yasuaki Yamada, Takeo Ohishi | 1996-03-19 |
| 5428485 | Video tape recorder with PCM audio recording with device for detecting irregularities in the video signal | Takuya Tsushima | 1995-06-27 |
| 5274513 | Search system for helical scan digital data reproduction apparatus | Hidemi Nakano | 1993-12-28 |
| 5124852 | Magnetic tape recording apparatus | Tetsuya Suwa, Hiroshi Nishiumi | 1992-06-23 |
| 5063452 | Magnetic recording and/or reproducing apparatus having means for preventing audio-to-video crosstalk and noise generation | — | 1991-11-05 |
| 5027229 | Magnetic recording apparatus and magnetic recording/reproducing apparatus | Tetsuya Suwa | 1991-06-25 |
| 5014274 | Code-error correcting device | Takuya Tsushima | 1991-05-07 |
| 4819088 | Magnetic recording and reproducing system | — | 1989-04-04 |
| 4768108 | Magnetic recording and reproducing system | — | 1988-08-30 |
| 4752832 | Video and audio signal recording and/or reproducing apparatus | — | 1988-06-21 |
| 4660104 | Method for recording and/or reproducing video and audio signals on a magnetic tape and a rotary cylinder arrangement therefor | — | 1987-04-21 |
| 4633332 | Multi-mode magnetic recording system and multi-mode magnetic recording and playback system for VTR | Atsushi Miyashita, Kaoru Kobayashi | 1986-12-30 |
| 4622597 | Sound and video multiplex recording system | Akira Hirota | 1986-11-11 |
| 4562492 | Noise reduction circuit | — | 1985-12-31 |