Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9695832 | Apparatuses for controlling operation of a motor of a fan assembly based on an induced voltage or a back electromotive force | Ravishanker Krishnamoorthy, Foo Leng Leong, Edy Susanto, Yayue Zhang | 2017-07-04 |
| 9425721 | Systems and methods for adaptive motor speed control | Ravishanker Krishnamoorthy, Edy Susanto, Foo Leng Leong | 2016-08-23 |
| 8807956 | Apparatus and method for controlling speed of a fan via a first control module connected by a cable and/or conductors between a motor and a second control module | Ravishanker Krishnamoorthy, Foo Leng Leong, Edy Susanto, Yayue Zhang | 2014-08-19 |
| 8791664 | Systems and methods for adaptive torque adjustment and motor control | Ravishanker Krishnamoorthy, Edy Susanto, Foo Leng Leong | 2014-07-29 |
| 8638519 | Speed control systems and methods for decreasing power consumption in rotating storage devices | Edy Susanto, Foo Leng Leong | 2014-01-28 |
| 8405330 | Determining stuck conditions for electric motors using inductive sensing | Foo Leng Leong, Edy Susanto | 2013-03-26 |
| 8277198 | Fan motor control systems | Ravishanker Krishnamoorthy, Foo Leng Leong, Edy Susanto, Yayue Zhang | 2012-10-02 |
| 8279727 | Systems and methods for reducing spindle rectification switching | Siew Yong Chui, Rudy Kurniawan | 2012-10-02 |
| 8259407 | Speed control systems and methods for decreasing power consumption in rotating storage devices | Edy Susanto, Foo Leng Leong | 2012-09-04 |
| 8143825 | Determining stuck conditions for electric motors using inductive sensing | Foo Leng Leong, Edy Susanto | 2012-03-27 |
| 8144420 | VCM PWM control architecture for power saving in hard disk drives | Ying Tian Li, Siew Yong Chui | 2012-03-27 |
| 7986483 | Speed control systems and methods for decreasing power consumption in rotating storage devices | Edy Susanto, Foo Leng Leong | 2011-07-26 |
| 7848045 | VCM PWM control architecture for power saving in hard disk drives | Ying Tian Li, Siew Yong Chui | 2010-12-07 |
| 7839103 | Adjustable frequency PWM driver | Sakti P. Rana, Foo Leng Leong | 2010-11-23 |
| 7531975 | Adjustable frequency PWM driver | Sakti P. Rana, Foo Leng Leong | 2009-05-12 |
| 7453221 | System for controlling rotation of a disk drive | Kuno Shinichiro, Ravishanker Krishnamoorthy, Foo Leng Leong | 2008-11-18 |
| 7385364 | System and method for detecting back electromotive force with automatic pole calibration | Sakti P. Rana, Siew Yong Chui, Foo Leng Leong | 2008-06-10 |
| 7205744 | Motor spindle control system and method | Foo Leng Leong, Siew Yong Chui | 2007-04-17 |
| 7098621 | Motor spindle control system and method | Foo Leng Leong, Siew Yong Chui | 2006-08-29 |