Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11559896 | Failure prediction system | Takahiro Aoyagi, Norio Takei | 2023-01-24 |
| 8855589 | Tuner | Tomoya Kanzawa, Katu Horikoshi | 2014-10-07 |
| 8350606 | Delay circuit | — | 2013-01-08 |
| 7532068 | Differential amplifier circuit | — | 2009-05-12 |
| 7518413 | Current detection circuit | — | 2009-04-14 |
| 7266062 | Noise removal using 180-degree or 360-degree phase shifting circuit | — | 2007-09-04 |
| 6134644 | Method and apparatus for reproducing operation guidance information, and method and apparatus for reproducing multi-media information | Tatsuya Mayuzumi, Syuichi Matsuda, Noriaki Negishi, Tadashi Yoshida | 2000-10-17 |
| 5854781 | Track detection circuit for optical disc playback apparatus | — | 1998-12-29 |
| 5781191 | Method and apparatus for reproducing operation guidance information, and method and apparatus for reproducing multi-media information | Tatsuya Mayuzumi, Syuichi Matsuda, Noriaki Negishi, Tadashi Yoshida | 1998-07-14 |
| 5660474 | Temperature detecting circuit generating an output signal according to the temperature | — | 1997-08-26 |
| 5541907 | Circuit for discriminating pre-mastered pits and pre-mastered grooves on optical disk | Kenji Nakao | 1996-07-30 |