Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6577462 | Method and device for recording and reproducing data | Jin Hamada, Katsuhiro Tsuneta, Terumi Takashi | 2003-06-10 |
| 6578136 | Magnetic disc control apparatus with parallel data transfer between disc control unit and encoder circuit | Takashi Oeda, Motoyasu Tsunoda, Noriyuki Karasawa, Yukihito Takada, Satoshi Kawamura +2 more | 2003-06-10 |
| 6400523 | Method and apparatus for recording and reproducing disk-type recording medium with dual head including reading head and writing head having offset cores | Yukari Katayama, Hitoshi Ogawa, Motoyasu Tsunoda, Akira Kojima, Eisaku Saiki +4 more | 2002-06-04 |
| 6311236 | Magnetic disc control apparatus with parallel data transfer between disc control unit and encoder circuit | Takashi Oeda, Motoyasu Tsunoda, Noriyuki Karasawa, Yukihito Takada, Satoshi Kawamura +2 more | 2001-10-30 |
| 6236528 | Method and apparatus for recording and reproducing disk-type recording medium with dual head including reading head and writing head having offset cores | Yukari Katayama, Hitoshi Ogawa, Motoyasu Tsunoda, Akira Kojima, Eisaku Saiki +4 more | 2001-05-22 |
| 6201655 | Rotational storage device | Mitsunobu Watanabe, Atsushi Takayasu, Yuji Yamane, Yusuke Mizuno | 2001-03-13 |
| 6125427 | Magnetic disc control apparatus with parallel data transfer between disc control unit and encoder circuit | Takashi Oeda, Motoyasu Tsunoda, Noriyuki Karasawa, Yukihito Takada, Satoshi Kawamura +2 more | 2000-09-26 |
| 6108158 | Method and apparatus for recording and reproducing disk-type recording medium with dual head including reading head and writing head having offset cores | Yukari Katayama, Hitoshi Ogawa, Motoyasu Tsunoda, Akira Kojima, Eisaku Saiki +4 more | 2000-08-22 |
| 5742933 | Rotary memory storage device with cache control method and apparatus | Akira Kojima, Masahiko Sato, Toshiyuki Haruna, Tetsuzo Kobashi | 1998-04-21 |
| 5737632 | Magnetic disc control apparatus with parallel data transfer between disc control unit and encoder/decoder circuit | Takashi Oeda, Motoyasu Tsunoda, Noriyuki Karasawa, Yukihito Takada, Satoshi Kawamura +2 more | 1998-04-07 |
| 5715105 | Method of and apparatus for recording on and reproducing from disk-type recording medium having recording tracks with sectors each having an ID area and a data area | Yukari Katayama, Hitoshi Ogawa, Motoyasu Tsunoda, Akira Kojima, Eisaku Saiki +4 more | 1998-02-03 |
| 5584012 | Cache control method and rotary storage device having cache control | Akira Kojima, Masahiko Sato, Toshiyuki Haruna, Tetsuzo Kobashi | 1996-12-10 |
| 5507005 | Data transferring system between host and I/O using a main buffer with sub-buffers where quantity of data in sub-buffers determine access requests | Akira Kojima, Norikazu Takayama, Mitsuru Kubo, Atsushi Takayasu | 1996-04-09 |
| 5313340 | Read/write controlling apparatus for adjusting the data length of a magnetic disk | Norikazu Takayama, Akira Kojima | 1994-05-17 |
| 4803572 | Recording/reproducing method and apparatus of magnetic disk unit in which playback commences before the magnetic head is completely centered on the track | Toshiyuki Haruna, Kenji Nishimura, Yuji Yoshida, Kiyotaka Takahashi, Katsuhiro Tsuneta +4 more | 1989-02-07 |