Inventor · disambiguated record
Kuo-Ching Liu
Also filed as: LIU KUO-CHING
42 granted patents·14 pending applications·1,083 citations·filing 1980–2021
98Inventor score
Top patents by PatentIndex Score
56 records- 0196US4793694AMethod and apparatus for laser beam homogenizationQUANTRONIX CORP·Filed 1986·Granted Dec 27, 1988·126 cites·9 claims
- 0293US6604979B1Built-up spinning topFiled 2002·Granted Aug 12, 2003·51 cites·7 claims
- 0393US6580054B1Scribing sapphire substrates with a solid state UV laserNEW WAVE RES·Filed 2002·Granted Jun 17, 2003·127 cites·48 claims
- 0492US6525827B2Method and system for imaging an object with a plurality of optical beamsROBOTIC VISION SYSTEMS·Filed 2001·Granted Feb 25, 2003·50 cites·27 claims
- 0588US4637026AFrequency doubling a Q-switched laser beam by using intracavity Type II phase matchingQUANTRONIX CORP·Filed 1985·Granted Jan 13, 1987·41 cites·12 claims
- 0688US4413342AMethod and apparatus for frequency doubling a laser beamQUANTRONIX CORP·Filed 1980·Granted Nov 1, 1983·38 cites·10 claims
- 0787US11113020B2Display system and screen operation method thereofBENQ INTELLIGENT TECH SHANGHAI CO LTD·Filed 2020·Granted Sep 7, 2021·2 cites·18 claims
- 0887US5657854ARoller conveyorIND TECH RES INST·Filed 1995·Granted Aug 19, 1997·47 cites·16 claims
- 0986US7408971B2Longitudinally pumped solid state laser and methods of making and usingQUANTRONIX CORP·Filed 2006·Granted Aug 5, 2008·10 cites·21 claims
- 1085US6940888B2Dual head laser system with intra-cavity polarization, and particle image velocimetry system using sameNEW WAVE RES·Filed 2002·Granted Sep 6, 2005·22 cites·29 claims
- 1185US6475054B1Three-dimensional built-up toy with changeable clothesFiled 2001·Granted Nov 5, 2002·29 cites·4 claims
- 1285US6407810B1Imaging systemROBOTIC VISION SYSTEMS·Filed 2000·Granted Jun 18, 2002·32 cites·38 claims
- 1384US6575803B1Built-up card holderFiled 2002·Granted Jun 10, 2003·23 cites·4 claims
- 1483US5859924AMethod and system for measuring object featuresROBOTIC VISION SYSTEMS·Filed 1996·Granted Jan 12, 1999·70 cites·22 claims
- 1581US6960739B2Scribing sapphire substrates with a solid state UV laserNEW WAVE RES·Filed 2003·Granted Nov 1, 2005·21 cites·6 claims
- 1681US6291816B1System and method for measuring object features with coordinated two and three dimensional imagingROBOTIC VISION SYSTEMS·Filed 1999·Granted Sep 18, 2001·54 cites·19 claims
- 1780US6439945B1Octopus-shaped built-up toyFiled 2001·Granted Aug 27, 2002·22 cites·3 claims
- 1880US4618957AFrequency doubling a laser beam by using intracavity type II phase matchingQUANTRONIX CORP·Filed 1985·Granted Oct 21, 1986·27 cites·12 claims
- 1978US6181472B1Method and system for imaging an object with a plurality of optical beamsROBOTIC VISION SYSTEMS·Filed 1998·Granted Jan 30, 2001·41 cites·37 claims
- 2077US6520827B1Spinning topFiled 2002·Granted Feb 18, 2003·19 cites·7 claims
- 2176US7169688B2Method and apparatus for cutting devices from substratesNEW WAVE RES INC·Filed 2004·Granted Jan 30, 2007·15 cites·30 claims
- 2275US6806544B2Method and apparatus for cutting devices from conductive substrates secured during cutting by vacuum pressureNEW WAVE RES·Filed 2002·Granted Oct 19, 2004·27 cites·36 claims
- 2374US8822882B2Scribing sapphire substrates with a solid state UV laser with edge detectionLIU KUO-CHING·Filed 2005·Granted Sep 2, 2014·5 cites·18 claims
- 2472US7112518B2Method and apparatus for cutting devices from substratesNEW WAVE RES·Filed 2004·Granted Sep 26, 2006·10 cites·16 claims
- 2571US4617666AFrequency doubling a laser beam by using intracavity type II phase matchingQUANTRONIX CORP·Filed 1985·Granted Oct 14, 1986·30 cites·9 claims
- 2667US7052976B2Method and apparatus for cutting devices from conductive substrates secured during cutting by vacuum pressureNEW WAVE RES·Filed 2004·Granted May 30, 2006·9 cites·30 claims
- 2767US6439953B1Three-dimensional built-up toy with freely connectable basesFiled 2001·Granted Aug 27, 2002·12 cites·2 claims
- 2865US6960813B2Method and apparatus for cutting devices from substratesNEW WAVE RES·Filed 2003·Granted Nov 1, 2005·7 cites·35 claims
- 2965US6475052B1Built-up toy ejectorFiled 2002·Granted Nov 5, 2002·10 cites·3 claims
- 3064US6419542B1Three-dimensional toy built up with freely connectable partsFiled 2001·Granted Jul 16, 2002·10 cites·5 claims
- 3164US6031225ASystem and method for selective scanning of an object or pattern including scan correctionROBOTIC VISION SYSTEMS·Filed 1998·Granted Feb 29, 2000·28 cites·52 claims
- 3263US6475060B1Three-dimensional built-up toy trainFiled 2001·Granted Nov 5, 2002·9 cites·3 claims
- 3361US5148445AHigh power Nd:YLF solid state lasersQUANTRONIX CORP·Filed 1990·Granted Sep 15, 1992·24 cites·12 claims
- 3461US2010151215A1Method of making an embossed card and an embossed card made therefromLIU KUO-CHING·Filed 2009·Application pending·0 cites
- 3559US6550766B1Built-up toy football ejectorFiled 2002·Granted Apr 22, 2003·3 cites·5 claims
- 3658US6443797B1Built-up toy car rotatable wheelsFiled 2001·Granted Sep 3, 2002·6 cites·4 claims
- 3755US6767269B1Steel toy diskFiled 2003·Granted Jul 27, 2004·4 cites·2 claims
- 3854US6508691B1Built-up spinning topFiled 2002·Granted Jan 21, 2003·4 cites·3 claims
- 3954US2021379505A1Transformable toyGLORY INNOVATIONS INC·Filed 2021·Application pending·0 cites
- 4053US6508688B1Revolving structure for built-up toyFiled 2002·Granted Jan 21, 2003·3 cites·7 claims
- 4152US6648718B1Safety spinning topFiled 2002·Granted Nov 18, 2003·2 cites·3 claims
- 4252US2007248126A1Scribing sapphire substrates with a solid state uv laserNEW WAVE RES·Filed 2007·Application pending·0 cites
- 4352US2006027886A1Apparatus for cutting devices from conductive substrates secured during cutting by vacuum pressureNEW WAVE RES INC·Filed 2005·Application pending·0 cites
- 4451US6475053B1Crab-shaped built-up toyFiled 2001·Granted Nov 5, 2002·2 cites·1 claims
- 4550US6488562B1Lobster-shaped built-up toyFiled 2001·Granted Dec 3, 2002·1 cites·1 claims
- 4648US2005215078A1Scribing sapphire substrates with a solid state UV laserNEW WAVE RES·Filed 2005·Application pending·0 cites
- 4748US2016339352A1Assembly toyGLORYINNOVATIONS INC·Filed 2016·Application pending·0 cites
- 4846US2005136789A1Multipurpose saucer-shaped toyFiled 2003·Application pending·0 cites
- 4946US2003051378A1Patterned recreational cardFiled 2001·Application pending·0 cites
- 5045US2004033754A1Safety ejectorFiled 2002·Application pending·0 cites
Showing the top 50 of 56 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →