Inventor · disambiguated record
Yehua Wan
Also filed as: WAN YEHUA
17 granted patents·4 pending applications·19 citations·filing 2010–2021
88Inventor score
Files withZHEJIANG SHENGHUI LIGHTING CO11SENGLED CO LTD4WAN YEHUA4CHEN FANG1ZHEJIANG SHENGUI LIGHTING CO LTD1
Top patents by PatentIndex Score
21 records- 0171US8646943B2Tower-shaped LED moduleWAN YEHUA·Filed 2010·Granted Feb 11, 2014·3 cites·8 claims
- 0268US9585208B2LED power circuit using discrete components and configuration methodZHEJIANG SHENGHUI LIGHTING CO·Filed 2014·Granted Feb 28, 2017·2 cites·20 claims
- 0365US9699850B1Power circuit and related method for LED lighting deviceZHEJIANG SHENGHUI LIGHTING CO·Filed 2015·Granted Jul 4, 2017·2 cites·15 claims
- 0461US10270286B2LED smart control circuit and LED lighting device containing the sameZHEJIANG SHENGHUI LIGHTING CO·Filed 2016·Granted Apr 23, 2019·2 cites·12 claims
- 0554US10114080B2LED lighting device and a method to verify its lifespanZHEJIANG SHENGHUI LIGHTING CO·Filed 2016·Granted Oct 30, 2018·0 cites·15 claims
- 0654US2014218039A1Led lighting device and a method to verify its lifespanZHEJIANG SHENGUI LIGHTING CO LTD·Filed 2014·Application pending·0 cites
- 0751US9226352B2Driver circuit and driving method for LED lighting deviceZHEJIANG SHENGHUI LIGHTING CO·Filed 2014·Granted Dec 29, 2015·0 cites·4 claims
- 0851US8975818B2LED illumination device and validation methodology of LED illumination device's lifespanCHEN FANG·Filed 2012·Granted Mar 10, 2015·0 cites·12 claims
- 0949US9279577B2LED lighting device and method for making the sameZHEJIANG SHENGHUI LIGHTING CO·Filed 2014·Granted Mar 8, 2016·0 cites·16 claims
- 1044USD1039178SCandle light bulbSENGLED CO LTD·Filed 2021·Granted Aug 13, 2024·1 cites·1 claims
- 1142US11632843B2Delayed lighting systemSENGLED CO LTD·Filed 2021·Granted Apr 18, 2023·0 cites·8 claims
- 1242US10257915B2Time-delay lighting circuit and device thereofZHEJIANG SHENGHUI LIGHTING CO·Filed 2016·Granted Apr 9, 2019·0 cites·20 claims
- 1341US2023380028A1Light dimming systemSENGLED CO LTD·Filed 2021·Application pending·0 cites
- 1440US11029010B2Sensor light and a system for preventing false triggering of a sensorZHEJIANG SHENGHUI LIGHTING CO·Filed 2017·Granted Jun 8, 2021·0 cites·13 claims
- 1538US9826584B2Power circuit and diming control method for LED lighting deviceZHEJIANG SHENGHUI LIGHTING CO·Filed 2015·Granted Nov 21, 2017·0 cites·7 claims
- 1638US2017295617A1Light-emitting diode (led) driving device and led lighting device containing the sameSENGLED CO LTD·Filed 2016·Application pending·0 cites
- 1736USD643134SLED bulbWAN YEHUA·Filed 2010·Granted Aug 9, 2011·3 cites·1 claims
- 1836USD643135SLED bulbWAN YEHUA·Filed 2010·Granted Aug 9, 2011·3 cites·1 claims
- 1936USD641091SLED bulbWAN YEHUA·Filed 2010·Granted Jul 5, 2011·3 cites·1 claims
- 2035US10393321B2LED light bulbZHEJIANG SHENGHUI LIGHTING CO·Filed 2017·Granted Aug 27, 2019·0 cites·16 claims
- 2130US2019120438A1Led module and led light bulb having sameZHEJIANG SHENGHUI LIGHTING CO·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →