Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10599345 | Memory device that writes data into a block based on time passage since erasure of data from the block | — | 2020-03-24 |
| 10019179 | Memory device that writes data into a block based on time passage since erasure of data from the block | — | 2018-07-10 |
| 6909574 | Disk device conducting a disturbance compensation based on a time-interval measurement in reading servo sectors recorded on a disk | Koichi Aikawa, Tatsuro Sasamoto | 2005-06-21 |
| 6721122 | Disk drive unit and control method for same | Koichi Aikawa, Tatsuro Sasamoto, Susumu Yoshida | 2004-04-13 |
| 6690549 | Storage device | Koichi Aikawa, Tatsuro Sasamoto, Susumu Yoshida, Tomoo Sukagawa, Keiji Aruga +2 more | 2004-02-10 |
| 6543289 | Rotational vibration testing apparatus | Keiji Aruga | 2003-04-08 |
| 6295507 | Calibration method for acceleration sensor in storage device and storage device | Tatsuro Sasamoto, Koichi Aikawa, Susumu Yoshida | 2001-09-25 |