Issued Patents All Time
Showing 51–53 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6385154 | Disk drive configured to expand to disk-storing size from compact size that is smaller than diameter of disk | Akira Kadonaga | 2002-05-07 |
| 6317399 | Disk drive device and method of setting rotational speed thereof | Hisao Ohtani, Takeshi KUNISHIMA, Takafumi Arai, Katsunori Kitaru | 2001-11-13 |
| 6195322 | Disk drive device and method of setting rotational speed thereof | Hisao Ohtani, Takeshi KUNISHIMA, Takafumi Arai, Katsunori Kitaru | 2001-02-27 |