Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8569962 | LED driver circuit and LED driver system | Masahiro Shimozono, Shinichi Kiyota | 2013-10-29 |
| 6201430 | Computational circuit | Susumu Hoshino | 2001-03-13 |
| 6148137 | Video tape reproducing apparatus capable of preventing influence of noise-bar | Takahiro Kusano | 2000-11-14 |
| 6118919 | Video signal processor | — | 2000-09-12 |
| 5767730 | Input switch circuit for switching two video signals | — | 1998-06-16 |
| 5699019 | Active filter | — | 1997-12-16 |
| 5574398 | Active bandpass filter | Michiro Yokote | 1996-11-12 |
| 5561394 | Active bandpass filter | — | 1996-10-01 |
| 5523798 | Circuit for automatically adjusting signal separation in Y/C seperation comb filter | Mitsumo Kawano | 1996-06-04 |
| 5448305 | Comb filter capable of reducing cross-color phenomena and noises | — | 1995-09-05 |
| 5150220 | Video signal-processing circuit for outputting a drop out signal superimposed on a correlation/noncorrelation signal | — | 1992-09-22 |
| 5124592 | Active filter | — | 1992-06-23 |
| 5122867 | Video signal processing circuit having a band pass filter following a delay circuit in a comb filter arrangement | — | 1992-06-16 |
| 5119179 | Video signal processing circuit for extracting a chroma signal from a luminous signal | — | 1992-06-02 |
| 5079633 | Video signal processor for removing high frequency noise component | Tatsuya Matsuki | 1992-01-07 |
| 5038203 | Burst gate pulse generating circuit | Teruo Okada | 1991-08-06 |
| 4851718 | Active filter type signal adjusting circuit | Takahiro Kusano | 1989-07-25 |
| 4841179 | Phase equalizing active filter | Takahiro Kusano | 1989-06-20 |
| 4667242 | Automatic gain control circuit | — | 1987-05-19 |
| 4571508 | Differential switch circuit | Takashi Koga | 1986-02-18 |