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Inventor

Hua Guan

Inventor
San Diego, CA, US

Overview

16→
Patents
2013–2021
Patent span
Physics
Primary field (CPC G)

Patents· 16 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G05Fprimary
G05FSystems for regulating electric or magnetic variables46%
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 systems13%
H03KPulse technique8%
C02FTreatment of water, waste water, sewage, or sludge4%
C09KMaterials for miscellaneous applications, not provided for elsewhere4%
G06FElectric digital data processing4%
H02HEmergency protective circuit arrangements4%
H02JElectric power networks4%
H03FAmplifiers4%
H05BElectric heating4%
PatentTitleYear
11,100,178Method and device for pushing information202110,627,839Multiple input multiple output regulator controller system202010,333,393Embedded charge pump voltage regulator201910,274,986Current-controlled voltage regulation201910,216,208Load current sensing in voltage regulator20199,946,283Fast transient response low-dropout (LDO) regulator20189,933,801Power device area saving by pairing different voltage rated power devices20189,886,048'Headroom control in regulator systems'20189,817,415'Wide voltage range low drop-out regulators'20179,588,541'Dual loop regulator circuit'20179,473,122'Rail-to-rail input stage circuit with constant transconductance'20169,471,078'Ultra low power low drop-out regulators'20169,236,752'Method and system for voltage collapse protection'20169,084,326'Method and apparatus for LED forward voltage measurement for optimum system efficiency'20159,024,677'Method and apparatus for drain switching with replication loop for fast LED turn on time'20158,381,811'Method of enhancing adsorption of an inhibitor onto a wellbore region'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013–2015Patents assigned to GUAN HUA (3)· patent assignee history
2013Patents assigned to KEATCH RICHARD (1)· patent assignee history
2013Based in Aberdeen, GB· patent location history
2015–2020Patents assigned to QUALCOMM INC (14)· patent assignee history
2015Patents assigned to DHAR SANDEEP CHAMAN (1)· patent assignee history
2015–2020Based in San Diego, CA, US· patent location history
2021Patents assigned to BEIJING SANKUAI ONLINE TECH CO LTD (1)· patent assignee history
2021Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
QUALCOMM INC142015–2020
GUAN HUAself32013–2015
BEIJING SANKUAI ONLINE TECH CO LTD12021
DHAR SANDEEP CHAMAN12015
KEATCH RICHARD12013
Locations
LocationPatentsSpan
San Diego, California, US142015–2020
Beijing, CN12021
Aberdeen, GB12013