Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7444650 | Disk apparatus | — | 2008-10-28 |
| 7107598 | Disk device having reduced disk contact areas against outer peripheral surface of disk | — | 2006-09-12 |
| 7046969 | Miniaturized transmitter-receiver unit | Yoshio Saito | 2006-05-16 |
| 5400193 | Cassette loading device | — | 1995-03-21 |
| 5311313 | Apparatus for removing ghost from television signals including a transversal filter using coefficient data with unnecessary high frequency components removed therefrom | Kazuyuki Ebihara, Yuji Nishi, Tatsushi Koguchi | 1994-05-10 |
| 5293541 | Picture quality improving apparatus for compensating contour of images | — | 1994-03-08 |
| 5268860 | Image enhancement system | — | 1993-12-07 |
| 5262978 | Image enhancement system | — | 1993-11-16 |
| 5253063 | Apparatus which employs the variable weighing coefficients for a transversal filter and a singular line memory to compensate for ghost in image signals | Kazuyuki Ebihara, Tatsushi Koguchi, Yuji Nishi | 1993-10-12 |
| 5237416 | Apparatus for removing waveform distortion from a video signal | Tatsushi Koguchi, Yuji Nishi, Kazuyuki Ebihara | 1993-08-17 |
| 5237415 | Ghost canceler with adaptive transversal filter | Tatsushi Koguchi, Kazuyuki Ebihara, Yuji Nishi | 1993-08-17 |
| 5216507 | Waveform distortion removing apparatus | Tatsushi Koguchi, Yuji Nishi, Kazuyuki Ebihara | 1993-06-01 |
| 5206727 | Television signal according to the signal-to-noise ratio of the television signal | Kazuyuki Ebihara, Yuji Nishi, Tatsushi Koguchi | 1993-04-27 |
| 5184221 | Apparatus for removing ghost component disturbing picture signal | Yuji Nishi, Tatsushi Kuguchi, Kazuyuki Ebihara | 1993-02-02 |
| 5144414 | Ghost cancelling device with waveform checking circuit | Yuji Nishi, Tatsushi Koguchi, Kazuyuki Ebihara | 1992-09-01 |
| 5089892 | Ghost canceller employing plural reference signals | Tatsushi Koguchi, Kazuyuki Ebihara, Yuji Nishi | 1992-02-18 |
| 5053870 | Ghost cancelling device using variable amplifier controlled by criterion function | Yuji Nishi, Tatsushi Kouguchi, Kazuyuki Ebihara | 1991-10-01 |
| 5032916 | Method of detecting signal waveform disturbance in received television picture signal | Shigeo Matsuura, Susumu Takayama, Hiroshi Miyazawa, Masao Usui, Reiichi Kobayashi | 1991-07-16 |
| 5025317 | Ghost canceler using reference signals to generate updated criterion functions on which tap gains are determined | Tatsushi Koguchi, Kazyuki Ebihara, Yuji Nishi | 1991-06-18 |
| 4674070 | Optical type disc with V-shaped groove and optical type reproducing apparatus therefor | Osamu Tajima | 1987-06-16 |