Inventor · disambiguated record
Shan C. Sun
Also filed as: CHURCH LARRY L · SUN SHAN · SUN SHAN C · SUN SHAN-CHENG
32 granted patents·3 pending applications·561 citations·filing 1975–2023
97Inventor score
Files withWESTINGHOUSE ELECTRIC CORP23ABB POWER T & D CO3Infineon Technologies LLC2MSTAR SEMICONDUCTOR INC2ELECTRIC POWER RES INST1
Top patents by PatentIndex Score
35 records- 0195US4246623AProtective relay deviceWESTINGHOUSE ELECTRIC CORP·Filed 1978·Granted Jan 20, 1981·68 cites·36 claims
- 0291US4972290AElectric power system with remote monitoring and control of protective relaysABB POWER T & D CO·Filed 1989·Granted Nov 20, 1990·94 cites·15 claims
- 0383US4275429AProtective relay apparatusWESTINGHOUSE ELECTRIC CORP·Filed 1979·Granted Jun 23, 1981·31 cites·6 claims
- 0481US4380746APulse modulator using capacitor charging and discharging circuitsWESTINGHOUSE ELECTRIC CORP·Filed 1981·Granted Apr 19, 1983·24 cites·7 claims
- 0581US4218718AProtective relay apparatusWESTINGHOUSE ELECTRIC CORP·Filed 1978·Granted Aug 19, 1980·28 cites·20 claims
- 0679US4538196AProtective relay apparatus and method for providing single-pole trippingWESTINGHOUSE ELECTRIC CORP·Filed 1983·Granted Aug 27, 1985·37 cites·38 claims
- 0771US4017766AInverse time-overcurrent relay using successive linear approximationsWESTINGHOUSE ELECTRIC CORP·Filed 1975·Granted Apr 12, 1977·19 cites·15 claims
- 0869US4899383AApparatus and method for secure digital communicationWESTINGHOUSE ELECTRIC CORP·Filed 1987·Granted Feb 6, 1990·37 cites·28 claims
- 0968US4935837APhase comparison relaying system with single channel communications linkABB POWER T & D CO·Filed 1989·Granted Jun 19, 1990·24 cites·10 claims
- 1068US4125884AApparatus for detecting subsynchronous current in power systemsWESTINGHOUSE ELECTRIC CORP·Filed 1977·Granted Nov 14, 1978·17 cites·5 claims
- 1165US11978494B2Local reference voltage generator for non-volatile memoryInfineon Technologies LLC·Filed 2023·Granted May 7, 2024·0 cites·20 claims
- 1265US4470091AProductive relay apparatus for protection from sub-synchronous current oscillations in a power systemWESTINGHOUSE ELECTRIC CORP·Filed 1982·Granted Sep 4, 1984·22 cites·18 claims
- 1364US8832480B2Automatic mode switch portable electronic deviceLEE YEN-LIN·Filed 2011·Granted Sep 9, 2014·3 cites·17 claims
- 1464US4002977AMeasuring circuitWESTINGHOUSE ELECTRIC CORP·Filed 1975·Granted Jan 11, 1977·12 cites·10 claims
- 1563US8803544B2Integrated circuit chip and testing method capable of detecting connection errorKU CHIH-CHENG·Filed 2011·Granted Aug 12, 2014·2 cites·16 claims
- 1661US4293886ANetwork protector relayWESTINGHOUSE ELECTRIC CORP·Filed 1979·Granted Oct 6, 1981·13 cites·14 claims
- 1760US4208687AProtective relay apparatusWESTINGHOUSE ELECTRIC CORP·Filed 1978·Granted Jun 17, 1980·13 cites·10 claims
- 1856US11587603B2Local reference voltage generator for non-volatile memoryInfineon Technologies LLC·Filed 2020·Granted Feb 21, 2023·0 cites·14 claims
- 1955US4106071AApparatus for protection against subsynchronous currents in a power systemWESTINGHOUSE ELECTRIC CORP·Filed 1977·Granted Aug 8, 1978·12 cites·12 claims
- 2054US4464697AProtective relay systemWESTINGHOUSE ELECTRIC CORP·Filed 1982·Granted Aug 7, 1984·15 cites·16 claims
- 2154US4173039ACurrent based power supplyELECTRIC POWER RES INST·Filed 1978·Granted Oct 30, 1979·9 cites·5 claims
- 2253US4146913ASymmetrical component sequence filterWESTINGHOUSE ELECTRIC CORP·Filed 1977·Granted Mar 27, 1979·10 cites·20 claims
- 2352US4510453AFrequency modulation or pulse modulation demodulatorWESTINGHOUSE ELECTRIC CORP·Filed 1982·Granted Apr 9, 1985·8 cites·8 claims
- 2450US4524446ASignal quality monitor for protective relay systemWESTINGHOUSE ELECTRIC CORP·Filed 1982·Granted Jun 18, 1985·12 cites·6 claims
- 2549US11822818B2Memory device, image processing chip, and memory control methodSIGMASTAR TECHNOLOGY LTD·Filed 2021·Granted Nov 21, 2023·0 cites·14 claims
- 2648US4968960AElectromagnet relay with flux biasingABB POWER T & D CO·Filed 1989·Granted Nov 6, 1990·8 cites·15 claims
- 2748US4591940ASignal quality monitor for protective relay systemWESTINGHOUSE ELECTRIC CORP·Filed 1984·Granted May 27, 1986·11 cites·18 claims
- 2844US4698718AElectronic reverse power relayWESTINGHOUSE ELECTRIC CORP·Filed 1985·Granted Oct 6, 1987·11 cites·10 claims
- 2943US2013235170A1Electronic Apparatus and Method Utilized in Stereo GlassesMSTAR SEMICONDUCTOR INC·Filed 2013·Application pending·0 cites
- 3038US4471286AClosed-loop frequency regulated generator apparatusWESTINGHOUSE ELECTRIC CORP·Filed 1982·Granted Sep 11, 1984·6 cites·6 claims
- 3138US2006155422A1Monitoring and control of field electrical power equipmentUY DAVID·Filed 2002·Application pending·0 cites
- 3236US4075559ATechnique for extending the range of a signal measuring circuitWESTINGHOUSE ELECTRIC CORP·Filed 1975·Granted Feb 21, 1978·4 cites·6 claims
- 3335US4675774ADirect transfer trip apparatus for use with an active pilot wire communications channelWESTINGHOUSE ELECTRIC CORP·Filed 1985·Granted Jun 23, 1987·7 cites·4 claims
- 3431US4675775AActive pilot wire apparatus for electromechanical current differential relaysWESTINGHOUSE ELECTRIC CORP·Filed 1985·Granted Jun 23, 1987·4 cites·8 claims
- 3530US2010283912A1Apparatus for Demodulating Digital Video and Associated MethodMSTAR SEMICONDUCTOR INC·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →