Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7430085 | Disk device and method of generating signal representing head | Motoyasu Tsunoda, Hitoshi Ogawa, Takashi Nara, Masatoshi Nishina, Katsumi Yamamoto +1 more | 2008-09-30 |
| 7139143 | Disk device and method of generating signal representing head | Shoichi Miyazawa, Hitoshi Ogawa, Takashi Nara, Masatoshi Nishina, Katsumi Yamamoto +1 more | 2006-11-21 |
| 6563656 | Disk device and method of generating signal representing head | Motoyasu Tsunoda, Shoichi Miyazawa, Hitoshi Ogawa, Takashi Nara, Masatoshi Nishina +1 more | 2003-05-13 |
| 6445522 | Disk device and method of generating signal representing head | Motoyasu Tsunoda, Shoichi Miyazawa, Hitoshi Ogawa, Takashi Nara, Masatoshi Nishina +1 more | 2002-09-03 |
| 6266200 | Magnetic disk storage apparatus | Kenichi Hase, Syoichi Miyazawa, Shinichi Kojima, Akihiko Hirano, Akira Uragami | 2001-07-24 |
| 6172828 | Signal processing apparatus and a disk control apparatus, with head positioning control based on digitized servo data | Motoyasu Tsunoda, Shoichi Miyazawa, Hitoshi Ogawa, Takashi Nara, Masatoshi Nishina +1 more | 2001-01-09 |
| 5999353 | Magnetic disk storage apparatus with phase sync circuit having controllable response characteristic | Kenichi Hase, Syoichi Miyazawa, Shinichi Kojima, Akihiko Hirano, Akira Uragami | 1999-12-07 |
| 5937020 | Digital information signal reproducing circuit and digital information system | Kenichi Hase, Tsuguyoshi Hirooka, Haruto Katsu, Takashi Nara, Shoichi Miyazawa +1 more | 1999-08-10 |
| 5878097 | Signal processing delay circuit | Kenichi Hase, Kunio Watanabe, Yoshiteru Ishida, Takashi Nara, Hiroshi Kimura | 1999-03-02 |
| 5745066 | AD converter and magnetic recording/regenerating apparatus using thereof | Tsuguyoshi Hirooka, Shoichi Miyazawa, Terumi Takashi, Akira Uragami | 1998-04-28 |
| 5636254 | Signal processing delay circuit | Kenichi Hase, Kunio Watanabe, Yoshiteru Ishida, Takashi Nara, Hiroshi Kimura | 1997-06-03 |
| 5633766 | Magnetic disk storage apparatus with phase sync circuit having controllable response characteristics | Kenichi Hase, Syoichi Miyazawa, Shinichi Kojima, Akihiko Hirano, Akira Uragami | 1997-05-27 |
| 5572163 | Active filter control apparatus | Hiroshi Kimura, Kenichi Hase, Kunio Watanabe, Takashi Nara | 1996-11-05 |
| 5559645 | Disk recording apparatus with adaptive window adjusting | Shyoichi Miyazawa, Kenichi Hase, Satoshi Kawamura, Shinichi Kojima, Toshiyuki Iseki | 1996-09-24 |
| 5557274 | Ad converter and magnetic recording/regenerating apparatus using the same | Tsuguyoshi Hirooka, Shoichi Miyazawa, Terumi Takashi, Akira Uragami | 1996-09-17 |
| 5475715 | Sync data introduction method and system | Kenichi Hase, Syoichi Miyazawa, Akihiko Hirano, Hiroshi Kimura, Akira Uragami | 1995-12-12 |
| 5463504 | Magnetic disk system and waveform equalizer therefor | Hiroshi Kimura, Shoichi Miyazawa, Kenichi Hase, Akihiko Hirano, Akira Uragami | 1995-10-31 |
| 5404250 | Magnetic disk storage apparatus with phase sync circuit having controllable response characteristic | Kenichi Hase, Syoichi Miyazawa, Shinichi Kojima, Akihiko Hirano, Akira Uragami | 1995-04-04 |
| 5402274 | Data separator and signal processing circuit with an adjustable window | Shyoichi Miyazawa, Kenichi Hase, Satoshi Kawamura, Shinichi Kojima, Toshiyuki Iseki | 1995-03-28 |
| 5222002 | Semiconductor integrated circuit which performs phase synchronization | Kenichi Hase, Shoichi Miyazawa, Shinichi Kojima | 1993-06-22 |
| 5187615 | Data separator and signal processing circuit | Shyoichi Miyazawa, Kenichi Hase, Satoshi Kawamura, Shinichi Kojima, Toshiyuki Iseki | 1993-02-16 |
| 5062011 | Address mark generating method and its circuit in a data memory | Kenichi Hase, Shyoichi Miyazawa, Shinichi Kojima, Akira Uragami, Takashi Watanabe +1 more | 1991-10-29 |