Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7573671 | Disk device with reduced flutter | Hitoshi Tsujino, Hirokazu Tanizawa, Motoji Takemoto | 2009-08-11 |
| 7545599 | Disk drive with vibration suppression member disposed near head assembly | Hitoshi Tsujino, Hirokazu Tanizawa, Takeji Sumiya | 2009-06-09 |
| 6690540 | Disk drive damper having a thin portion and a plurality of thick portions | Yoshihiro Hirasaka, Shinichi Matsuzaki, Kohji Takahashi | 2004-02-10 |
| 6657812 | Disk drive including a dust catching chamber and an associated gasket portion | Yoshihiro Hirasaka | 2003-12-02 |
| 6633452 | Disk drive apparatus, hard disk drive, and enclosure for hard disk drive | Yoshihiro Hirasaka, Keishi Takahasi, Mutsuro Ohta | 2003-10-14 |
| 6594099 | Apparatus for erasing data stored on a magnetic disk | — | 2003-07-15 |
| 6137658 | Apparatus for guiding and locking a rotary actuator | Shinichi Matsuzaki, Mutsuro Ohta, Keishi Takahashi | 2000-10-24 |
| 6067209 | Disk drive device with shock resistance flexure and ramp limited system | Akihiko Aoyagi, David W. Albrecht, Yuhji Kobayashi, Hiroo Inoue | 2000-05-23 |
| 5818657 | Disk drive with impulse torque generating element | Sri M. Sri-Jayantha, Vijayeshwar D. Khanna, Suresh Kumar, Mutsuro Ohta | 1998-10-06 |
| 5334875 | Stacked semiconductor memory device and semiconductor memory module containing the same | Toshio Sugano, Kohji Nagaoka, Seiichiro Tsukui, Yoshiaki Wakashima, Michio Tanimoto +8 more | 1994-08-02 |
| 5198888 | Semiconductor stacked device | Toshio Sugano, Kohji Nagaoka, Seiichiro Tsukui, Yoshiaki Wakashima, Michio Tanimoto +8 more | 1993-03-30 |
| 5028986 | Semiconductor device and semiconductor module with a plurality of stacked semiconductor devices | Toshio Sugano, Kohji Nagaoka, Seiichiro Tsukui, Yoshiaki Wakashima, Michio Tanimoto +8 more | 1991-07-02 |