Inventor · disambiguated record
Johnson Chen
Also filed as: CHEN JOHNSON · CHEN JOHNSON C · CHEN JOHNSON C H
50 granted patents·4 pending applications·1,091 citations·filing 1979–2025
98Inventor score
Files withUNITIME INTERNAT CO LTD22CHEN JOHNSON6PENNWALT CORP5TAIWAN SEMICONDUCTOR MFG CO LTD3TEXAS INSTRUMENTS INC2
Top patents by PatentIndex Score
54 records- 0197USD539813SMP3 playerUNITIME INTERNAT CO LTD·Filed 2005·Granted Apr 3, 2007·112 cites·1 claims
- 0297US4504402AEncapsulated phase change thermal energy _storage materialsPENNWALT CORP·Filed 1984·Granted Mar 12, 1985·158 cites·12 claims
- 0396US4505953AMethod for preparing encapsulated phase change materialsPENNWALT CORP·Filed 1983·Granted Mar 19, 1985·112 cites·23 claims
- 0495US4513053AEncapsulated phase change thermal energy storage materials and processPENNWALT CORP·Filed 1984·Granted Apr 23, 1985·122 cites·54 claims
- 0592USD502216SUSB memory stick with penUNITIME INTERNAT CO LTD·Filed 2004·Granted Feb 22, 2005·46 cites·1 claims
- 0687USD541796SMemory stick with retractable USB plugUNITIME INTERNAT CO LTD·Filed 2005·Granted May 1, 2007·36 cites·1 claims
- 0787US4678552ASelective electrolytic stripping of metal coatings from base metal substratesPENNWALT CORP·Filed 1986·Granted Jul 7, 1987·55 cites·7 claims
- 0883USD521509SUSB memory stickUNITIME INTERNAT CO LTD·Filed 2005·Granted May 23, 2006·29 cites·1 claims
- 0982US6930296B2Apparatus, method and system for food management and food inventoryFiled 2003·Granted Aug 16, 2005·34 cites·43 claims
- 1081US6238057B1Combination light penWIERING IND INC·Filed 2000·Granted May 29, 2001·23 cites·3 claims
- 1180USD503628SAlarm clock with stopwatchUNITIME INTERNAT CO LTD·Filed 2003·Granted Apr 5, 2005·24 cites·1 claims
- 1279US8573880B2Fitting suiteCHEN JOHNSON·Filed 2011·Granted Nov 5, 2013·7 cites·20 claims
- 1379USD541797SMemory stick with flashlight and retractable USB plugUNITIME INTERNAT CO LTD·Filed 2005·Granted May 1, 2007·25 cites·1 claims
- 1479USD527477SUSB flashlightUNITIME INTERNAT CO LTD·Filed 2005·Granted Aug 29, 2006·25 cites·1 claims
- 1576US4292189AThermal energy storage composition comprising sodium sulfate decahydrate; sodium carbonate decahydrate; and sodium tetraborate decahydratePENNWALT CORP·Filed 1979·Granted Sep 29, 1981·24 cites·3 claims
- 1676US2025294869A1Novel liner structuresTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2025·Application pending·0 cites
- 1775US12407284B2Field oriented control with adaptive startTEXAS INSTRUMENTS INC·Filed 2023·Granted Sep 2, 2025·0 cites·20 claims
- 1874US2025364930A1Field oriented control with adaptive startTEXAS INSTRUMENTS INC·Filed 2025·Application pending·0 cites
- 1973USD497179SLight pen with stylus for PDAFiled 2004·Granted Oct 12, 2004·18 cites·1 claims
- 2070USD437842SShower radioCHEN JOHNSON·Filed 1999·Granted Feb 20, 2001·15 cites·1 claims
- 2169US12324232B2Liner structuresTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2022·Granted Jun 3, 2025·0 cites·20 claims
- 2267USD497638SLight penFiled 2004·Granted Oct 26, 2004·14 cites·1 claims
- 2365USD496344SDigital FM scan radio with alarm clock and pedometerUNITIME INTERNAT CO LTD·Filed 2003·Granted Sep 21, 2004·13 cites·1 claims
- 2465USD467186SMotion display clockFiled 2002·Granted Dec 17, 2002·13 cites·1 claims
- 2565USD456383SFM radioUNITIME INTERNAT CO LTD·Filed 2001·Granted Apr 30, 2002·13 cites·1 claims
- 2664US5178404AContraction controller for collapsible type contractible baggage cartCHEN JOHNSON·Filed 1992·Granted Jan 12, 1993·37 cites·1 claims
- 2763USD489706SFM auto scan radioFiled 2002·Granted May 11, 2004·12 cites·1 claims
- 2863USD453924SRadioUNITIME INTERNAT CO LTD·Filed 2001·Granted Feb 26, 2002·12 cites·1 claims
- 2962US6124497APreparation of alkane sulfonic acids and sulfonyl chlorides by oxidation of alkanethiols and dialkyl disulfidesINNOCHEM INC·Filed 1997·Granted Sep 26, 2000·9 cites·22 claims
- 3059USD432516SShower radio with clockCHEN JOHNSON·Filed 1999·Granted Oct 24, 2000·10 cites·1 claims
- 3158US2010329779A1Composite StructureCHEN JOHNSON·Filed 2009·Application pending·0 cites
- 3257USD495679SAlarm clock radioFiled 2003·Granted Sep 7, 2004·9 cites·1 claims
- 3357US5690519AUnderwater propulsive deviceFiled 1996·Granted Nov 25, 1997·21 cites·1 claims
- 3454USD479833SWobble radioUNITIME INTERNAT CO LTD·Filed 2002·Granted Sep 23, 2003·8 cites·1 claims
- 3553US11437372B2Liner structuresTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2020·Granted Sep 6, 2022·0 cites·20 claims
- 3653US8683719B2LED illumination footwearCHEN JOHNSON·Filed 2012·Granted Apr 1, 2014·0 cites·22 claims
- 3753USD467185SMotion display clockUNITIME INTERNAT CO LTD·Filed 2002·Granted Dec 17, 2002·8 cites·1 claims
- 3852US7297813B2Removal of alkyl alkanesulfonate esters from alkanesulfonic acids and other organic mediaARKEMA INC·Filed 2004·Granted Nov 20, 2007·1 cites·31 claims
- 3949USD531161SDigital FM scan radio with talking alarm clock and talking pedometerUNITIME INTERNAT CO LTD·Filed 2005·Granted Oct 31, 2006·7 cites·1 claims
- 4047USD486139SDigital FM auto scan radio with alarm clockUNITIME INTERNAT CO LTD·Filed 2002·Granted Feb 3, 2004·6 cites·1 claims
- 4147USD486137SAM/FM radio with siren and lightUNITIME INTERNAT CO LTD·Filed 2002·Granted Feb 3, 2004·6 cites·1 claims
- 4244USD502693SDigital FM scan radio with alarm clock and pedometerUNITIME INTERNAT CO LTD·Filed 2003·Granted Mar 8, 2005·5 cites·1 claims
- 4344USD455729SCalendar clock radio with alarm and stopwatchUNITIME INTERNAT CO LTD·Filed 2001·Granted Apr 16, 2002·5 cites·1 claims
- 4443USD468288SFM/AM radioFiled 2001·Granted Jan 7, 2003·4 cites·1 claims
- 4542USD483346SDigital alarm clock radioFiled 2002·Granted Dec 9, 2003·4 cites·1 claims
- 4639USD483347SWobble alarm clock radioUNITIME INTERNAT CO LTD·Filed 2002·Granted Dec 9, 2003·3 cites·1 claims
- 4737US2020246170A1Orthopedic Support DeviceEAST COAST ORTHOTIC & PROSTHETIC CORP·Filed 2020·Application pending·0 cites
- 4836USD461789SClock radioUNITIME INTERNAT CO LTD·Filed 2001·Granted Aug 20, 2002·2 cites·1 claims
- 4934USD477306SRadioUNITIME INTERNAT CO LTD·Filed 2002·Granted Jul 15, 2003·1 cites·1 claims
- 5033USD495680SAlarm clock radioFiled 2004·Granted Sep 7, 2004·1 cites·1 claims
Showing the top 50 of 54 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →