Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6859426 | Optical disk drive unit | Toshihiro Ogawa | 2005-02-22 |
| 6097576 | Magnetic head | Kiyoshi Fukuchi, Yoshiaki Sakai | 2000-08-01 |
| 5771137 | Thermally stable magnetic head assembly with magnetic head legs bonded to insular portions connected to flexible frame via bridges | — | 1998-06-23 |
| RE35363 | Disk drive apparatus having a spindle permitting a thinner disk drive | — | 1996-10-29 |
| 5473487 | Magnetic head gimbal seat damped against unwanted oscillation and resonance | — | 1995-12-05 |
| 5442504 | Head supporting device of magnetic disk system | Jiro Ueki | 1995-08-15 |
| 5414576 | Space saving configuration of a printed cirucit board for a magnetic head on a flexure seat for the head | Jiro Ueki | 1995-05-09 |
| 5396375 | Dual head type magnetic disc recording/reproducing apparatus | Toru Tanabe | 1995-03-07 |
| 5343344 | Connection of transducer leads to a printed circuit board in rotating disk data storage apparatus | — | 1994-08-30 |
| 5329510 | Method and apparatus for discriminating between unformatted magnetic disk assemblies of two different storage capacities | Hiroshi Tsuyuguchi, Shinichi Aikawa | 1994-07-12 |
| 5325250 | Magnetic head | — | 1994-06-28 |
| 5323371 | Disk storage in which direction of inserting disk is approximately orthogonal to direction of seeking by head | Hidetoshi Kabasawa | 1994-06-21 |
| 5315450 | Dual head type magnetic disk recording/reproducing apparatus | Toru Tanabe | 1994-05-24 |
| 5309628 | Assembling position adjusting mechanism of a spindle motor for a magnetic disk apparatus | Kiyoshi Fukuchi, Yoshiaki Sakai, Hiroshi Tsuyuguchi, Takashi NUMATA | 1994-05-10 |
| D346808 | Magnetic head carriage | Kazuhiko Inoue, Hidetoshi Kabasawa | 1994-05-10 |
| 5309296 | System for eliminating noise arising from difference in polarity of magnetization by tunnel erase heads | Tohru Miura, Hiroshi Tsuyuguchi | 1994-05-03 |
| 5305167 | Magnetic disk apparatus having magnetic head insulated from metal head carriage | Jiro Ueki | 1994-04-19 |
| D346160 | Spring for magnetic head | Kazuhiko Inoue, Hidetoshi Kabasawa | 1994-04-19 |
| 5303107 | System for holding a track counter active despite power suspension in rotating disk data storage apparatus | Tohru Miura, Hiroshi Tsuyuguchi, Miya Enami | 1994-04-12 |
| 5293601 | Floppy disk control unit and apparatus having a floppy disk control unit | Hiroshi Tsuyuguchi, Shinichiro Tanaka, Naoki Sugeta, Miya Enami, Tohru Miura +1 more | 1994-03-08 |
| 5293289 | Head carriage device | — | 1994-03-08 |
| 5257152 | Disk drive apparatus having a spindle permitting a thinner disk drive | — | 1993-10-26 |
| 5237474 | Head cartridge apparatus having head supporting arm partially inserted into disk case through window formed therein | — | 1993-08-17 |
| 5043833 | Magnetic head assembly | Shinichi Aikawa, Yoshiaki Sakai | 1991-08-27 |
| 5032934 | Magnetic disc apparatus with a cosine equalizer and specific gap length head | Shinichi Aikawa, Yoshiaki Sakai, Hiroshi Tsuyuguchi | 1991-07-16 |