Inventor

Chao-Cheng Lu

Inventor

Taipei, TW

Overview

1990–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 24 as inventor

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

H03Kprimary

H03KPulse technique28%

H05BElectric heating17%

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 systems11%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications8%

H02HEmergency protective circuit arrangements6%

H02JElectric power networks6%

B25CHand-held nailing or stapling tools3%

B62BHand-propelled vehicles, e.g. hand carts or perambulators3%

B62DMotor vehicles3%

G05DSystems for controlling or regulating non-electric variables3%

PatentTitleYear

10,780,930Worm gear drive unit interface and assembly methods2020 9,143,055'Cell interface'2015 8,994,396'Variation-tolerant self-repairing displays'2015 8,743,574'Efficient power conversion for ultra low voltage micro scale energy transducers'2014 8,084,823'Gate minimization threshold voltage of FET for synchronous rectification'2011 7,619,368'Power source apparatus'2009 7,332,871'High frequency power source control circuit and protective circuit apparatus'2008 7,227,316'Protective and measure device for multiple cold cathode fluorescent lamps'2007 6,880,740'Impact enhancing device of an electric nailer'2005 6,522,087'Ultra-high voltage impulse generator'2003 5,818,675'Protection device for electronic circuits'1998 5,583,395'Fluorescent device having a fluorescent starter which precisely controls heating time and absolute synchronism of fire point'1996 5,434,973'Microcontroller for providing remote control of electrical switches'1995 5,420,494'Battery charger device'1995 5,361,009'Thyristor controller'1994 5,338,991'High power solid state relay with input presence and polarity indication'1994 5,329,193'Computer controller'1994 5,317,469'Arrangement of an over-voltage protection circuit'1994 5,216,303'Double solid state relay'1993 5,162,682'Solid state relay employing triacs and plurality of snubber circuits'1992 5,122,695'SCR control circuits'1992 5,079,457'Dual solid state relay'1992 5,043,611'Thyristor controller'1991 4,918,340'GTO thyristor control circuit'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1994Patents assigned to LU CHAO CHENG (9)· patent assignee history

1990–2015Based in Taipei, TW· patent location history

2007–2015Patents assigned to LU CHAO-CHENG (5)· patent assignee history

2014–2015Patents assigned to LU CHAO (2)· patent assignee history

2014–2015Patents assigned to PURDUE RESEARCH FOUNDATION (2)· patent assignee history

2014–2015Patents assigned to ROY KAUSHIK (2)· patent assignee history

2014–2015Based in West Lafayette, IN, US· patent location history

2020Based in Mountain View, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
LU CHAO CHENGself	9	1990–1994
LU CHAO-CHENGself	5	2007–2015
LU CHAOself	2	2014–2015
PURDUE RESEARCH FOUNDATION	2	2014–2015
ROY KAUSHIK	2	2014–2015

Locations

Location	Patents	Span
Taipei, TW	21	1990–2015
West Lafayette, IN, US	2	2014–2015
Mountain View, California, US	1	2020