Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6181820 | Image extraction method and apparatus and image recognition method and apparatus for extracting/recognizing specific images from input image signals | Michiyoshi Tachikawa, Toshio Miyazawa | 2001-01-30 |
| 6115495 | Image extraction method and apparatus, and image recognition method and apparatus for extracting/recognizing specific images from input image signals | Michiyoshi Tachikawa, Toshio Miyazawa | 2000-09-05 |
| 6104331 | Reproduced signal processing method, reproduced signal processing circuit, and a magnetic storage apparatus | Yoshiteru Ishida, Naoki Satoh, Terumi Takashi, Seiichi Mita | 2000-08-15 |
| 6034998 | Method of and apparatus for detecting phase | Terumi Takashi | 2000-03-07 |
| 5999353 | Magnetic disk storage apparatus with phase sync circuit having controllable response characteristic | Kenichi Hase, Syoichi Miyazawa, Ryutaro Horita, Shinichi Kojima, Akira Uragami | 1999-12-07 |
| 5940416 | Digital signal decoding apparatus and a decoding method used therein | Takushi Nishiya, Hideyuki Yamakawa, Shoichi Miyazawa, Seiichi Mita, Yoichi Uehara +1 more | 1999-08-17 |
| 5818655 | Signal processing circuit and information recording/reproducing apparatus using the same, and method for optimizing coefficients of equalizer circuit | Naoki Satoh, Seiichi Mita, Shoichi Miyazawa, Terumi Takashi, Yosuke Hori +8 more | 1998-10-06 |
| 5805024 | Phase lock loop system including a primary phase lock loop apparatus and a high order phase lock loop apparatus | Terumi Takashi, Naoki Satoh, Eisaku Saiki, Masakazu Hosino, Ryushi Shimokawa | 1998-09-08 |
| 5659309 | Data recording/reproducing apparatus having viterbi decoder and method thereof | Terumi Takashi, Yasuhide Ouchi, Seiichi Mita, Naoki Satoh | 1997-08-19 |
| 5633766 | Magnetic disk storage apparatus with phase sync circuit having controllable response characteristics | Kenichi Hase, Syoichi Miyazawa, Ryutaro Horita, Shinichi Kojima, Akira Uragami | 1997-05-27 |
| 5584186 | Refrigerant circuit for ice making machine etc. | — | 1996-12-17 |
| 5555744 | Refrigerant circuit for ice making machines etc. | — | 1996-09-17 |
| 5553104 | Information recording/reproducing apparatus having a clock timing extraction circuit for extracting a clock signal from an input data signal | Terumi Takashi, Kazunori Iwabuchi, Hideyuki Yamakawa, Yoshiteru Ishida, Kazuhisa Shiraishi +1 more | 1996-09-03 |
| 5475715 | Sync data introduction method and system | Kenichi Hase, Syoichi Miyazawa, Ryutaro Horita, Hiroshi Kimura, Akira Uragami | 1995-12-12 |
| 5463504 | Magnetic disk system and waveform equalizer therefor | Hiroshi Kimura, Shoichi Miyazawa, Ryutaro Horita, Kenichi Hase, Akira Uragami | 1995-10-31 |
| 5448424 | AGC circuit and recording and reproducing apparatus using AGC circuit | Terumi Takashi, Kazunori Iwabuchi, Hideyuki Yamakawa, Yoshiteru Ishida, Minoru Kosuge | 1995-09-05 |
| 5404250 | Magnetic disk storage apparatus with phase sync circuit having controllable response characteristic | Kenichi Hase, Syoichi Miyazawa, Ryutaro Horita, Shinichi Kojima, Akira Uragami | 1995-04-04 |
| 4986083 | Freezer machine | Nobutaka Naruse, Katsunobu Minari | 1991-01-22 |