Inventor
David C. Tam
Inventor
Manhattan Beach, CA, US
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Kprimary
H03KPulse technique38%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems25%
G06FElectric digital data processing8%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters8%
H10DInorganic electric semiconductor devices8%
G01RMeasuring electric variables4%
G06NComputing arrangements based on specific computational models4%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h104%
PatentTitleYear
10,613,736Drag and drop updating of object attribute values20209,275,109'Ad-hoc temporary record relationship management'20167,405,528'Global closed loop control system with DV/DT control and EMI/switching loss reduction'20087,274,241'Global closed loop control system with DV/DT control and EMI/switching loss reduction'20077,061,195'Global closed loop control system with dv/dt control and EMI/switching loss reduction'20066,891,739'H-bridge with power switches and control in a single package'20056,522,178'Controlling high side devices without using level shift switches'20036,215,435'Linear current sensing circuit for motor controller'20016,211,706'Method and circuit for driving power transistors in a half bridge configuration allowing for excessive negative swing of the output node and integrated circuit incorporating the circuit'20015,514,981'Reset dominant level-shift circuit for noise immunity'19965,502,412'Method and circuit for driving power transistors in a half bridge configuration from control signals referenced to any potential between the line voltage and the line voltage return and integrated circuit incorporating the circuit'19965,325,258'Power transistor driver circuit with current sensing and current overprotection and method for protecting power transistor from overcurrent'19945,216,752'Interspike interval decoding neural network'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993Patents assigned to BAYLOR COLLEGE MEDICINE (1)· patent assignee history
1993Based in Houston, TX, US· patent location history
1994–2008Patents assigned to INT RECTIFIER CORP (10)· patent assignee history
1994–2001Based in Redondo Beach, CA, US· patent location history
2003–2008Based in Manhattan Beach, CA, US· patent location history
2016–2020Patents assigned to SUGARCRM INC (2)· patent assignee history
2016Based in Elk Grove, CA, US· patent location history
2020Based in Sunnyvale, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| INT RECTIFIER CORP | 10 | 1994–2008 |
| SUGARCRM INC | 2 | 2016–2020 |
| BAYLOR COLLEGE MEDICINE | 1 | 1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Manhattan Beach, California, US | 5 | 2003–2008 |
| Redondo Beach, California, US | 5 | 1994–2001 |
| Sunnyvale, California, US | 1 | 2020 |
| Elk Grove, California, US | 1 | 2016 |
| Houston, Texas, US | 1 | 1993 |