Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8497641 | HDD with VCM back EMF and voltage control circuitry | Masaki Yamashita, Nobuhiko Wasa | 2013-07-30 |
| 8228629 | Reaction control charge pump, capacitor, and transistor to power lead | Masaki Yamashita | 2012-07-24 |
| 7902778 | Programmable constant voltage retract of disk drive actuator | Masaki Yamashita | 2011-03-08 |
| 7649330 | Low-power pulse-width-modulated retract of disk drive actuator | Masaki Yamashita, Naoyuki Tsuruoka | 2010-01-19 |
| 7301722 | Wave torque retract of disk drive actuator | Masaki Yamashita | 2007-11-27 |