Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10488908 | Method of communicating between phases of an AC power system | — | 2019-11-26 |
| 9921634 | Method of communicating between phases of an AC power system | — | 2018-03-20 |
| 9342054 | Apparatus and method of keeping time of day over an industrial temperature range | Nathan Theodore Hackett | 2016-05-17 |
| 6998799 | System and method for improved motor control | John K. Rote, Tanchu Shih | 2006-02-14 |
| 6819072 | Disk drive servo arm retract and spindle brake circuit | Kevin W. Ziemer | 2004-11-16 |
| 6538304 | Corner bonding to lead frame | — | 2003-03-25 |
| 6483377 | Low slew rate charge pump | Ying Zhang McCleary | 2002-11-19 |
| 6441681 | Method for preserving charges on a cap at the output of a regulator | Tanchu Shih | 2002-08-27 |
| 6380703 | Digital PLL filter and VCO for use in controlling a spindle motor of a mass data storage device | — | 2002-04-30 |
| 6252362 | Method and apparatus for synchronizing PWM sinusoidal drive to a DC motor | Michael Arkin, Vincent Ng | 2001-06-26 |
| 6236174 | Method and apparatus for driving a polyphase, brushless DC motor | — | 2001-05-22 |
| 6163118 | Method and apparatus for controlling a motor in a mass storage device | Hao Chen, Gregory Swize | 2000-12-19 |
| 5325051 | Electronic watthour meter | Warren R. Germer, Maurice J. Ouellette, Mehrdad Negahban-Hagh | 1994-06-28 |
| 5319289 | Adaptive commutation delay for multi-pole brushless DC motors | Charles C. Austin | 1994-06-07 |
| 5059896 | Electronic watthour meter | Warren R. Germer, Maurice J. Ouellette, Mehrdad N. Hagh | 1991-10-22 |
| 4433210 | Integrated circuit phoneme-based speech synthesizer | Carl L. Ostrowski | 1984-02-21 |