Inventor

Yen-Hui Wang

Inventor

Hsinchu, TW

Overview

32→

Patents

1978–2016

Patent span

Electricity

Primary field (CPC H)

Patents· 32 as inventor

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

H02Mprimary

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 systems16%

H05BElectric heating16%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications14%

G06FElectric digital data processing8%

H03KPulse technique8%

B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding4%

B60BVehicle wheels4%

G05FSystems for regulating electric or magnetic variables4%

G10HElectrophonic musical instruments4%

A61FFilters implantable into blood vessels2%

PatentTitleYear

9,497,816'Method for minimizing LED flicker of an LED driver system'2016 9,049,760'PFC LED driver having a flicker control mechanism'2015 9,024,539'PFC LED driver capable of reducing flicker'2015 8,720,310'Socket wrench with an energy-saving function'2014 8,692,475'PFC LED driver capable of reducing current ripple'2014 8,664,870'Cascoded current regulator'2014 8,536,850'High side controller capable of sensing input voltage and ouput voltage of a power conversion circuit'2013 8,516,927'Socket wrench with an energy-saving function'2013 8,390,357'Fixed dead time PFC controller'2013 8,384,304'LED driver controller'2013 8,355,546'Method for identifying fingerprint image'2013 8,314,515'System corrected programmable integrated circuit'2012 8,264,184'Low-pin count fan speed control system and a method thereof'2012 8,253,350'Open loop LED driving circuit'2012 8,129,968'Integrated circuit for system calibration'2012 8,068,354'Current-level controlling device for a power supply device and related power supply device'2011 8,064,226'Control circuit with frequency compensation'2011 8,044,651'Efficient PWM controller'2011 7,983,062'Minimum on-time reduction method, apparatus, and system using same'2011 7,911,815'Primary-side feedback control device and related method for a power converter'2011 7,876,085'Quasi-resonant valley voltage detecting method and apparatus'2011 7,872,842'Overcurrent protection device for a power supply device and related power supply device'2011 7,777,530'Comparator module'2010 7,719,325'Active-load dominant circuit for common-mode glitch interference cancellation'2010 7,656,217'Voltage level clamping circuit and comparator module'2010 6,710,323'Optical signal detection method and apparatus for a computer mouse'2004 6,667,608'Low voltage generating circuit'2003 6,404,374'Comparator circuit for analog-to-digital converter'2002 5,942,942'Differential amplifier with double output stages'1999 5,832,442'High-effeciency algorithms using minimum mean absolute error splicing for pitch and rate modification of audio signals'1998 5,647,005'Pitch and rate modifications of audio signals utilizing differential mean absolute error'1997 4,105,025'Surgical support'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Based in Pittsburgh, PA, US· patent location history

1997–2016Based in Hsinchu, TW· patent location history

2010–2012Patents assigned to GRENERGY OPTO INC (12)· patent assignee history

2011–2014Patents assigned to WANG YEN-HUI (14)· patent assignee history

2011–2013Patents assigned to HUNG CHIA-CHIEH (4)· patent assignee history

2012–2013Patents assigned to LEE KO-YEN (3)· patent assignee history

2013–2015Patents assigned to IMMENSE ADVANCE TECHNOLOGY CORP (7)· patent assignee history

2013–2014Based in Taipei, TW· patent location history

2013–2014Based in Taichung, TW· patent location history

2015Based in New Taipei, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
WANG YEN-HUIself	14	2011–2014
GRENERGY OPTO INC	12	2010–2012
IMMENSE ADVANCE TECHNOLOGY CORP	7	2013–2015
HUNG CHIA-CHIEH	4	2011–2013
LEE KO-YEN	3	2012–2013

Locations

Location	Patents	Span
Hsinchu, TW	21	1997–2016
Taipei, TW	6	2013–2014
New Taipei, TW	2	2015
Taichung, TW	2	2013–2014
Pittsburgh, Pennsylvania, US	1	1978