Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7227712 | Disk drive apparatus and method of mounting same | Hitoshi Ogawa, Eisaku Saiki, Satoshi Kawamura, Kiyoshi Honda, Fukashi Ohi | 2007-06-05 |
| 6856482 | Disk drive apparatus and method of mounting same | Hitoshi Ogawa, Eisaku Saiki, Satoshi Kawamura, Kiyoshi Honda, Fukashi Ohi | 2005-02-15 |
| 6219909 | Method of mounting disk drive apparatus | Hitoshi Ogawa, Eisaku Saiki, Satoshi Kawamura, Kiyoshi Honda, Fukashi Ohi | 2001-04-24 |
| 6069762 | Magnetic recording drive having arrangement for averaging useful life of magnetoresistive effect sensors | Hajime Aoi, Toshiaki Tsuyoshi, Makoto Koizumi, Nobumasa Nishiyama, Yoshibumi Matsuda +1 more | 2000-05-30 |
| 6014275 | Magnetic recording drive | Hajime Aoi, Toshiaki Tsuyoshi, Makoto Koizumi, Nobumasa Nishiyama, Yoshibumi Matsuda +1 more | 2000-01-11 |
| 5572379 | Magnetic recording drive having arrangements for average useful life of magnetorestive effects sensors | Hajime Aoi, Toshiaki Tsuyoshi, Makoto Koizumi, Nobumasa Nishiyama, Yoshibumi Matsuda +1 more | 1996-11-05 |
| 5553104 | Information recording/reproducing apparatus having a clock timing extraction circuit for extracting a clock signal from an input data signal | Terumi Takashi, Akihiko Hirano, Kazunori Iwabuchi, Hideyuki Yamakawa, Yoshiteru Ishida +1 more | 1996-09-03 |
| 5337198 | Digital magnetic writing and reading apparatus | Nobumasa Nishiyama, Toshiaki Tsuyoshi, Hajime Aoi, Tetsuji Kameoka, Masaya Tanaka | 1994-08-09 |
| 5243479 | Mounting structure for information recording and reproducing apparatus | Kazuo Nakagoshi, Akira Chuma, Masafumi Nozawa, Yoshihiro Moribe, Hideo Maekawa | 1993-09-07 |
| 4881136 | Method and apparatus for detecting minute defects on magnetic disk by monitoring both amplitude decrease and phase shift of a reproduced signal | Kazuo Nakagoshi, Takuji Ogawa | 1989-11-14 |
| 4591939 | Waveform equivalent circuit | Masashi Sakuma, Kazuo Nakagoshi, Shoji Ozaki | 1986-05-27 |