Assignee
GRENERGY OPTO INC
TW·18 granted patents·13 pending applications·77 citations·filing 2007–2020
Top patents by PatentIndex Score
31 records- 0189US7719325B1Active-load dominant circuit for common-mode glitch interference cancellationGRENERGY OPTO INC·Filed 2008·Granted May 18, 2010·18 cites·11 claims
- 0285US7876085B2Quasi-resonant valley voltage detecting method and apparatusGRENERGY OPTO INC·Filed 2009·Granted Jan 25, 2011·13 cites·9 claims
- 0381US9209696B1Switching mode power supply capable of achieving soft transition for valley switching, or performing valley lockingGRENERGY OPTO INC·Filed 2014·Granted Dec 8, 2015·6 cites·13 claims
- 0479US8964417B1Power controllers and control methods suitable for operating a switched mode power supply in quasi-resonant modeGRENERGY OPTO INC·Filed 2013·Granted Feb 24, 2015·5 cites·20 claims
- 0575US7911815B2Primary-side feedback control device and related method for a power converterGRENERGY OPTO INC·Filed 2008·Granted Mar 22, 2011·12 cites·34 claims
- 0670US8988905B2PWM controller detecting temperature and AC line via a single pin and power converter using sameGRENERGY OPTO INC·Filed 2012·Granted Mar 24, 2015·4 cites·8 claims
- 0766US9112418B2Controller for a switched mode power supply having an integrated circuit with multifunction pinGRENERGY OPTO INC·Filed 2013·Granted Aug 18, 2015·2 cites·17 claims
- 0862US7791913B1Secondary side switch-off timing adjusting method, apparatus, and system using sameGRENERGY OPTO INC·Filed 2009·Granted Sep 7, 2010·6 cites·10 claims
- 0959US7999494B2Electronic ballast with dimming control from power line sensingGRENERGY OPTO INC·Filed 2009·Granted Aug 16, 2011·1 cites·7 claims
- 1052US8018742B2Full-range-duty PWM signal generation method, apparatus, and system using sameGRENERGY OPTO INC·Filed 2009·Granted Sep 13, 2011·3 cites·16 claims
- 1150US8044651B2Efficient PWM controllerGRENERGY OPTO INC·Filed 2008·Granted Oct 25, 2011·3 cites·8 claims
- 1250US7999495B2Electronic ballast with dimming control from power line sensingGRENERGY OPTO INC·Filed 2009·Granted Aug 16, 2011·0 cites·7 claims
- 1349US9431911B2Switching mode power supply capable of providing a block time in response to an output currentGRENERGY OPTO INC·Filed 2014·Granted Aug 30, 2016·0 cites·13 claims
- 1449US7983062B2Minimum on-time reduction method, apparatus, and system using sameGRENERGY OPTO INC·Filed 2009·Granted Jul 19, 2011·2 cites·14 claims
- 1548US7872842B2Overcurrent protection device for a power supply device and related power supply deviceGRENERGY OPTO INC·Filed 2008·Granted Jan 18, 2011·2 cites·12 claims
- 1648US2010156314A1Light source driver circuitGRENERGY OPTO INC·Filed 2008·Application pending·0 cites
- 1746US9190918B2Controllers and related control methods for generating signals representing an output current to a load in a switched mode power supplyGRENERGY OPTO INC·Filed 2013·Granted Nov 17, 2015·0 cites·18 claims
- 1846US2021242733A1Motor assembly and motor rotorGRENERGY OPTO INC·Filed 2020·Application pending·0 cites
- 1946US2021242752A1Motor device with coil heat dissipation structureGRENERGY OPTO INC·Filed 2020·Application pending·0 cites
- 2046US2021159752A1MotorGRENERGY OPTO INC·Filed 2020·Application pending·0 cites
- 2146US2021249936A1Closed-cycle heat dissipation structure of motorGRENERGY OPTO INC·Filed 2020·Application pending·0 cites
- 2243US9148013B1Control methods for over voltage protection and relevant power controllersGRENERGY OPTO INC·Filed 2014·Granted Sep 29, 2015·0 cites·12 claims
- 2342US2009165316A1Measurement Apparatus Having Display DeviceGRENERGY OPTO INC·Filed 2007·Application pending·0 cites
- 2439US2011006828A1Differential type level shifterGRENERGY OPTO INC·Filed 2009·Application pending·0 cites
- 2539US2010161258A1Measurement apparatus and system capable of displaying battery powerGRENERGY OPTO INC·Filed 2008·Application pending·0 cites
- 2637US2011169425A1Single chip ballast controller for step-dimming of a fluorescent lampGRENERGY OPTO INC·Filed 2010·Application pending·0 cites
- 2735US2010321957A1Standby power method and apparatus for power module applicationsGRENERGY OPTO INC·Filed 2009·Application pending·0 cites
- 2834US2010118460A1DC driveGRENERGY OPTO INC·Filed 2008·Application pending·0 cites
- 2933US2011050308A1Standby power reduction method and apparatus for switching power applicationsGRENERGY OPTO INC·Filed 2009·Application pending·0 cites
- 3032US7982413B2Electronic ballast with dimming control from power line sensingGRENERGY OPTO INC·Filed 2009·Granted Jul 19, 2011·0 cites·9 claims
- 3130US2011033174A1Control circuit for a variable frequency dc motorGRENERGY OPTO INC·Filed 2009·Application pending·0 cites
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