Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7525572 | Video camera with anti-shake system | Hidehiro Katoh | 2009-04-28 |
| 7509255 | Apparatuses for adaptively controlling processing of speech signal and adaptively communicating speech in accordance with conditions of transmitting apparatus side and radio wave and methods thereof | Hiroyuki Takeishi | 2009-03-24 |
| 6266477 | Data signal recording and/or reproducing method and system operable with analog and/or digital data signals | — | 2001-07-24 |
| 5903699 | Apparatus for reproducing a signal from a magnetic recording medium | Yutaka Tanaka | 1999-05-11 |
| 5767705 | Frequency converting circuit | Yukinobu Ishigaki | 1998-06-16 |
| 5583648 | Picture signal recording/reproducing method and apparatus for recording/reproducing a high-definition picture signal and a normal picture signal | Masahiko Turuta, Yutaka Isobe, Mitsuhiro Yoshida, Hiroshi Asai | 1996-12-10 |
| 5513009 | High-definition picture signal recording/reproducing apparatus for recording and reproducing a high-definition picture signal controlled its amplitude level | Masahiko Turuta | 1996-04-30 |
| 5062008 | Recording of frequency-multiplex signal on recording medium | Akira Hirota, Noboru Watanabe | 1991-10-29 |
| 4979025 | Carrier chrominance signal processing circuit | — | 1990-12-18 |
| 4772961 | Video signal reproducing apparatus | — | 1988-09-20 |
| 4768094 | Noise suppressing circuit with gain control | — | 1988-08-30 |
| 4723175 | Video signal reproducing apparatus for reproducing recorded video signal from a magnetic recording medium | Yoshihiko Ota | 1988-02-02 |
| 4661863 | Color video signal recording and reproducing apparatus | — | 1987-04-28 |
| 4641201 | Color video signal transmitting apparatus | Naomichi Nishimoto | 1987-02-03 |
| 4635120 | Noise reduction circuit for video signal | — | 1987-01-06 |
| 4630131 | Recording signal generation system for color video signal | Naomichi Nishimoto, Yoshihiko Ota | 1986-12-16 |
| 4628369 | Video signal dropout compensation circuit | Naomichi Nishimoto | 1986-12-09 |
| 4626929 | Color video signal recording and reproducing apparatus | Naomichi Nishimoto | 1986-12-02 |
| 4618894 | Color video signal recording and reproducing apparatus | — | 1986-10-21 |
| 4613905 | Video noise reduction circuit having improved transient characteristics | — | 1986-09-23 |
| 4597019 | Clock pulse generating circuit in a color video signal reproducing apparatus | Naomichi Nishimoto | 1986-06-24 |
| 4587576 | Video signal processing apparatus with pre-emphasis and de-emphasis for use in a recording and reproducing system | Akira Hirota | 1986-05-06 |