YEHUA WAN

Person

Jiaxing, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Candle light bulb
- Patent number D1039178
- Issue date Aug 13, 2024
- SENGLED CO., LTD.
- Yehua Wan
- D26 - Lighting
Information Patent Grant
Delayed lighting system
- Patent number 11,632,843
- Issue date Apr 18, 2023
- SENGLED CO., LTD.
- Yehua Wan
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Sensor light and a system for preventing false triggering of a sensor
- Patent number 11,029,010
- Issue date Jun 8, 2021
- ZHEJIANG SHENGHUI LIGHTING CO., LTD
- Yehua Wan
- F21 - LIGHTING
Information Patent Grant
LED light bulb
- Patent number 10,393,321
- Issue date Aug 27, 2019
- ZHEJIANG SHENGHUI LIGHTING CO., LTD
- Yehua Wan
- F21 - LIGHTING
Information Patent Grant
LED smart control circuit and LED lighting device containing the same
- Patent number 10,270,286
- Issue date Apr 23, 2019
- ZHEJIANG SHENGHUI LIGHTING CO., LTD
- Yehua Wan
- F21 - LIGHTING
Information Patent Grant
Time-delay lighting circuit and device thereof
- Patent number 10,257,915
- Issue date Apr 9, 2019
- ZHEJIANG SHENGHUI LIGHTING CO., LTD
- Yehua Wan
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
LED lighting device and a method to verify its lifespan
- Patent number 10,114,080
- Issue date Oct 30, 2018
- ZHEJIANG SHENGHUI LIGHTING CO., LTD
- Jinxiang Shen
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Power circuit and diming control method for LED lighting device
- Patent number 9,826,584
- Issue date Nov 21, 2017
- ZHEJIANG SHENGHUI LIGHTING CO., LTD
- Yehua Wan
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Power circuit and related method for LED lighting device
- Patent number 9,699,850
- Issue date Jul 4, 2017
- ZHEJIANG SHENGHUI LIGHTING CO., LTD
- Changzhou Jin
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
LED power circuit using discrete components and configuration method
- Patent number 9,585,208
- Issue date Feb 28, 2017
- ZHEJIANG SHENGHUI LIGHTING CO., LTD
- Yehua Wan
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
LED lighting device and method for making the same
- Patent number 9,279,577
- Issue date Mar 8, 2016
- ZHEJIANG SHENGHUI LIGHTING CO., LTD
- Yehua Wan
- F21 - LIGHTING
Information Patent Grant
Driver circuit and driving method for LED lighting device
- Patent number 9,226,352
- Issue date Dec 29, 2015
- ZHEJIANG SHENGHUI LIGHTING CO., LTD
- Yehua Wan
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
LED illumination device and validation methodology of LED illuminat...
- Patent number 8,975,818
- Issue date Mar 10, 2015
- Zhejiang Shenghui Lighting Co., Ltd.
- Fang Chen
- F21 - LIGHTING
Information Patent Grant
Tower-shaped LED module
- Patent number 8,646,943
- Issue date Feb 11, 2014
- Zhejiang Shenghui Lighting Co., Ltd.
- Yehua Wan
- F21 - LIGHTING
Information Patent Grant
LED bulb
- Patent number D643134
- Issue date Aug 9, 2011
- Yehua Wan
- D26 - Lighting
Information Patent Grant
LED bulb
- Patent number D643135
- Issue date Aug 9, 2011
- Yehua Wan
- D26 - Lighting
Information Patent Grant
LED bulb
- Patent number D641091
- Issue date Jul 5, 2011
- Yehua Wan
- D26 - Lighting

Patents Applicationslast 30 patents

Information Patent Application
LIGHT DIMMING SYSTEM
- Publication number 20230380028
- Publication date Nov 23, 2023
- SENGLED CO., LTD.
- Yehua WAN
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
DELAYED LIGHTING SYSTEM
- Publication number 20210360764
- Publication date Nov 18, 2021
- SENGLED CO., LTD.
- Yehua WAN
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
A SENSOR LIGHT AND A SYSTEM FOR PREVENTING FALSE TRIGGERING OF A SE...
- Publication number 20200072452
- Publication date Mar 5, 2020
- ZHEJIANG SHENGHUI LIGHTING CO., LTD
- Yehua WAN
- F21 - LIGHTING
Information Patent Application
LED MODULE AND LED LIGHT BULB HAVING SAME
- Publication number 20190120438
- Publication date Apr 25, 2019
- ZHEJIANG SHENGHUI LIGHTING CO., LTD
- Yehua WAN
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LED LIGHT BULB
- Publication number 20180320829
- Publication date Nov 8, 2018
- ZHEJIANG SHENGHUI LIGHTING CO., LTD
- Yehua WAN
- F21 - LIGHTING
Information Patent Application
TIME-DELAY LIGHTING CIRCUIT AND DEVICE THEREOF
- Publication number 20180199418
- Publication date Jul 12, 2018
- ZHEJIANG SHENGHUI LIGHTING CO., LTD
- Yehua WAN
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LED SMART CONTROL CIRCUIT AND LED LIGHTING DEVICE CONTAINING THE SAME
- Publication number 20170310160
- Publication date Oct 26, 2017
- ZHEJIANG SHENGHUI LIGHTING CO., LTD
- Yehua WAN
- F21 - LIGHTING
Information Patent Application
LIGHT-EMITTING DIODE (LED) DRIVING DEVICE AND LED LIGHTING DEVICE C...
- Publication number 20170295617
- Publication date Oct 12, 2017
- SENGLED CO., LTD.
- Yehua WAN
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
POWER CIRCUIT AND RELATED METHOD FOR LED LIGHTING DEVICE
- Publication number 20170171930
- Publication date Jun 15, 2017
- ZHEJIANG SHENGHUI LIGHTING CO., LTD.
- CHANGZHOU JIN
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LED LIGHTING DEVICE AND A METHOD TO VERIFY ITS LIFESPAN
- Publication number 20170010333
- Publication date Jan 12, 2017
- ZHEJIANG SHENGHUI LIGHTING CO., LTD
- JINXIANG SHEN
- G01 - MEASURING TESTING
Information Patent Application
POWER CIRCUIT AND DIMING CONTROL METHOD FOR LED LIGHTING DEVICE
- Publication number 20160255688
- Publication date Sep 1, 2016
- ZHEJIANG SHENGHUI LIGHTING CO., LTD
- YEHUA WAN
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LED POWER CIRCUIT USING DISCRETE COMPONENTS AND CONFIGURATION METHOD
- Publication number 20160249419
- Publication date Aug 25, 2016
- ZHEJIANG SHENGHUI LIGHTING CO., LTD.
- Yehua WAN
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
DRIVER CIRCUIT AND DRIVING METHOD FOR LED LIGHTING DEVICE
- Publication number 20150002038
- Publication date Jan 1, 2015
- ZHEJIANG SHENGHUI LIGHTING CO., LTD
- Yehua WAN
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LED LIGHTING DEVICE AND METHOD FOR MAKING THE SAME
- Publication number 20140226334
- Publication date Aug 14, 2014
- ZHEJIANG SHENGHUI LIGHTING CO., LTD
- YEHUA WAN
- F21 - LIGHTING
Information Patent Application
LED LIGHTING DEVICE AND A METHOD TO VERIFY ITS LIFESPAN
- Publication number 20140218039
- Publication date Aug 7, 2014
- ZHEJIANG SHENGHUI LIGHTING CO., LTD
- Jingxiang Shen
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LED Illumination Device and Validation Methodology of LED Illuminat...
- Publication number 20140145622
- Publication date May 29, 2014
- ZHEJIANG SHENGHUI LIGHTING CO., LTD.
- Fang Chen
- G01 - MEASURING TESTING

Person

Patents Grantslast 30 patents

Candle light bulb

Delayed lighting system

Sensor light and a system for preventing false triggering of a sensor

LED light bulb

LED smart control circuit and LED lighting device containing the same

Time-delay lighting circuit and device thereof

LED lighting device and a method to verify its lifespan

Power circuit and diming control method for LED lighting device

Power circuit and related method for LED lighting device

LED power circuit using discrete components and configuration method

LED lighting device and method for making the same

Driver circuit and driving method for LED lighting device

LED illumination device and validation methodology of LED illuminat...

Tower-shaped LED module

LED bulb

LED bulb

LED bulb

Patents Applicationslast 30 patents

LIGHT DIMMING SYSTEM

DELAYED LIGHTING SYSTEM

A SENSOR LIGHT AND A SYSTEM FOR PREVENTING FALSE TRIGGERING OF A SE...

LED MODULE AND LED LIGHT BULB HAVING SAME

LED LIGHT BULB

TIME-DELAY LIGHTING CIRCUIT AND DEVICE THEREOF

LED SMART CONTROL CIRCUIT AND LED LIGHTING DEVICE CONTAINING THE SAME

LIGHT-EMITTING DIODE (LED) DRIVING DEVICE AND LED LIGHTING DEVICE C...

POWER CIRCUIT AND RELATED METHOD FOR LED LIGHTING DEVICE

LED LIGHTING DEVICE AND A METHOD TO VERIFY ITS LIFESPAN

POWER CIRCUIT AND DIMING CONTROL METHOD FOR LED LIGHTING DEVICE

LED POWER CIRCUIT USING DISCRETE COMPONENTS AND CONFIGURATION METHOD

DRIVER CIRCUIT AND DRIVING METHOD FOR LED LIGHTING DEVICE

LED LIGHTING DEVICE AND METHOD FOR MAKING THE SAME

LED LIGHTING DEVICE AND A METHOD TO VERIFY ITS LIFESPAN

LED Illumination Device and Validation Methodology of LED Illuminat...