Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8154814 | Method of refreshing data stored on a disk | Takao Aoki | 2012-04-10 |
| 7986489 | Disk controller, disk drive device, and disk control method | Takanori Sumi, Akio Mizuno | 2011-07-26 |
| 7925828 | Magnetic disk drive refreshing data written to disk and data refreshment method applied to magnetic disk drive | Takao Aoki | 2011-04-12 |
| 7870460 | Magnetic disk drive capable of refreshing data written to disk and data refresh method | Taro Iketaki, Akio Mizuno, Takao Aoki | 2011-01-11 |
| 7864486 | Hard disc apparatus and head alignment method | Yuma Aso | 2011-01-04 |
| 7085965 | Apparatus and method for accessing a disk containing an alternate sector | Yutaka Arakawa, Akio Mizuno | 2006-08-01 |
| 6332196 | Disk storage apparatus and power supply control method for the same | Makoto Kawasaki, Shuichi Ishii | 2001-12-18 |
| 6018788 | Data access control for disk system using a limit value and count value to optimize sequential and repeat access | — | 2000-01-25 |
| 5942168 | Resin compound for molding die, molding die and material molding by the molding die | Koji Sakane, Yozaburo Tsujikawa, Takio Tasaka | 1999-08-24 |
| 5890210 | Magnetic disk apparatus and command processing method thereof | Shuichi Ishii | 1999-03-30 |
| 5758191 | Method for buffer management in a disk drive having a first segment for storing burst data and a second segment used for write and read commands | Tasuku Kasebayashi | 1998-05-26 |
| 5727232 | Disk system having buffer with designated area to be used for repeat access data | Ikuko Iida | 1998-03-10 |