Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9099944 | Return control circuitry for VCM | Masaki Yamashita, Chisako Asaoka | 2015-08-04 |
| 8791657 | Disk drive | Masaki Yamashita, Chisako Asaoka | 2014-07-29 |
| 8497641 | HDD with VCM back EMF and voltage control circuitry | Masaki Yamashita, Chisako Ota | 2013-07-30 |
| 7808739 | Disk drive device and servo control method thereof | Kohji Takasaki, Isao Yoneda, Yasuhiro Iihara | 2010-10-05 |
| 7800855 | Disk drive and calibration method therefor | Kenichi Kuramoto, Shinya Sakamoto, Sayaka Nojiri, Hidefumi Tominaga | 2010-09-21 |
| 7576937 | Disk drive and control method therefor | Sayaka Nojiri | 2009-08-18 |
| 7561366 | Disk drive and calibration method for the same | Sayaka Nojiri | 2009-07-14 |
| 7457068 | Magnetic disk drive with efficient power generation | Masahiro Shimizu, Sumio Obata | 2008-11-25 |