Inventor
John Sung K. So
Inventor
Fremont, CA, US
Overview
Patents· 20 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing13%
G09GArrangements or circuits for control of indicating devices using static means to present variable information13%
H02HEmergency protective circuit arrangements13%
H05BElectric heating13%
G05FSystems for regulating electric or magnetic variables11%
G01RMeasuring electric variables9%
H02JElectric power networks9%
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 systems5%
H03KPulse technique5%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy4%
PatentTitleYear
9,295,128'Single wire serial interface'20169,265,113'Single wire serial interface'20169,247,607'Single wire serial interface utilizing count of encoded clock pulses with reset'20169,015,515'Single wire serial interface'20158,699,195'System and method for detection of multiple current limits'20148,611,063'Current limit control with current limit detector'20138,539,275'Single wire serial interface'20138,295,023'System and method for detection of multiple current limits'20128,111,493'Current limit detector'20127,957,116'System and method for detection of multiple current limits'20117,923,972'Systems and methods for charging a battery with a digital charge reduction loop'20117,921,320'Single wire serial interface'20117,672,107'Current limit control with current limit detector'20107,656,132'Battery charger apparatus with a digital charge reduction loop'20107,576,525'Supply power control with soft start'20097,532,448'Current limit detector'20097,127,631'Single wire serial interface utilizing count of encoded clock pulses with reset'20067,026,795'Method for pulse modulation control of switching regulators'20066,731,486'Output-powered over-voltage protection circuit'20046,342,822'Method and apparatus for implementing improved pulse width modulation'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2004Patents assigned to FAIRCHILD SEMICONDUCTOR (2)· patent assignee history
2002–2016Based in Fremont, CA, US· patent location history
2006–2014Patents assigned to ADVANCED ANALOGIC TECH INC (13)· patent assignee history
2006–2013Based in Freemont, CA, US· patent location history
2012–2013Patents assigned to SO JOHN (3)· patent assignee history
2013–2016Patents assigned to SKYWORKS SOLUTIONS INC (5)· patent assignee history
2013Patents assigned to BROWN DAVID ALAN (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ADVANCED ANALOGIC TECH INC | 13 | 2006–2014 |
| SKYWORKS SOLUTIONS INC | 5 | 2013–2016 |
| SO JOHNself | 3 | 2012–2013 |
| FAIRCHILD SEMICONDUCTOR | 2 | 2002–2004 |
| BROWN DAVID ALAN | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fremont, California, US | 16 | 2002–2016 |
| Freemont, California, US | 4 | 2006–2013 |