Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Balu Balakrishnan — 206 Patents

PIPower Integrations: 204 patents #1 of 206Top 1%
Saratoga, CA: #13 of 2,933 inventorsTop 1%
California: #519 of 386,348 inventorsTop 1%
Overall (All Time): #3,153 of 4,157,543Top 1%
206 Patents All Time

Issued Patents All Time

Showing 51–75 of 206 patents

Patent #TitleCo-InventorsDate
8818296 Noise cancellation for a magnetically coupled communication link utilizing a lead frame David Kung, David Michael Hugh Matthews 2014-08-26
8816596 Dimmer-disabled LED driver 2014-08-26
8796560 Power semiconductor package with bottom surface protrusions Brad L. Hawthorne, Stephan Bäurle 2014-08-05
8773871 Method and apparatus for sensing multiple voltage values from a single terminal of a power converter controller Alex B. Djenguerian 2014-07-08
8742771 Method and apparatus to select a parameter/mode based on a time measurement David Michael Hugh Matthews, Alex B. Djenguerian, Kent Wong 2014-06-03
8710817 Off-line converter with digital control Alex B. Djenguerian, Leif Lund 2014-04-29
8669751 Power supply controller with input voltage compensation for efficiency and maximum power output Alex B. Djenguerian, Leif Lund 2014-03-11
8630102 Ultra low standby consumption in a high power power converter David Michael Hugh Matthews 2014-01-14
8624562 Method and apparatus for implementing a power converter input terminal voltage discharge circuit David Kung, Raymond Kenneth Orr, David Michael Hugh Matthews 2014-01-07
8587969 Method and apparatus for on/off control of a power converter Alex B. Djenguerian, Erdem Bircan, David Michael Hugh Matthews 2013-11-19
8542468 Fault condition protection Alex B. Djenguerian, Leif Lund 2013-09-24
8537570 Method and apparatus to reduce audio frequencies in a switching power supply Arthur B. Odell 2013-09-17
8499179 Method and apparatus to authenticate a power supply Douglas J. Bailey 2013-07-30
8487417 Package for a power semiconductor device Brad L. Hawthorne, Stefan Bäurle 2013-07-16
8482938 Method and apparatus providing a multi-function terminal for a power supply controller Alex B. Djenguerian, Leif Lund 2013-07-09
8441290 Method and apparatus for simplifying the control of a switch 2013-05-14
8427124 Method and apparatus for maintaining a constant load current with line voltage in a switch mode power supply Alex B. Djenguerian, Kent Wong, David Michael Hugh Matthews 2013-04-23
8406013 Method and apparatus for sensing multiple voltage values from a single terminal of a power converter controller Alex B. Djenguerian 2013-03-26
8369111 Ultra low standby consumption in a high power power converter David Michael Hugh Matthews 2013-02-05
8334658 Dimmer-disabled LED driver 2012-12-18
8278972 Method and apparatus for simplifying the control of a switch 2012-10-02
8248053 Off-line converter with digital control Alex B. Djenguerian, Leif Lund 2012-08-21
8225111 Method and apparatus to authenticate a power supply Douglas J. Bailey 2012-07-17
8222882 Power supply controller with input voltage compensation for efficiency and maximum power output Alex B. Djenguerian, Leif Lund 2012-07-17
8207455 Power semiconductor package with bottom surface protrusions Brad L. Hawthorne, Stefan Bäurle 2012-06-26