WAN; Yehua

Patent Applications and Registrations

Patent applications and USPTO patent grants for WAN; Yehua.The latest application filed is for "delayed lighting system".

Company Profile

5.17.16

WAN; Yehua - Shanghai CN
Wan; Yehua - Jiaxing CN
Wan; Yehua - Zhejiang CN

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Delayed Lighting System App 20210360764 - WAN; Yehua ; et al.	2021-11-18
Sensor light and a system for preventing false triggering of a sensor Grant 11,029,010 - Wan , et al. June 8, 2	2021-06-08
A Sensor Light And A System For Preventing False Triggering Of A Sensor App 20200072452 - WAN; Yehua ; et al.	2020-03-05
LED light bulb Grant 10,393,321 - Wan , et al. A	2019-08-27
Led Module And Led Light Bulb Having Same App 20190120438 - WAN; Yehua ; et al.	2019-04-25
LED smart control circuit and LED lighting device containing the same Grant 10,270,286 - Wan , et al.	2019-04-23
Time-delay lighting circuit and device thereof Grant 10,257,915 - Wan , et al.	2019-04-09
Led Light Bulb App 20180320829 - WAN; Yehua ; et al.	2018-11-08
LED lighting device and a method to verify its lifespan Grant 10,114,080 - Shen , et al. October 30, 2	2018-10-30
Time-delay Lighting Circuit And Device Thereof App 20180199418 - WAN; Yehua ; et al.	2018-07-12
Power circuit and diming control method for LED lighting device Grant 9,826,584 - Wan , et al. November 21, 2	2017-11-21
Led Smart Control Circuit And Led Lighting Device Containing The Same App 20170310160 - WAN; Yehua ; et al.	2017-10-26
Light-emitting Diode (led) Driving Device And Led Lighting Device Containing The Same App 20170295617 - WAN; Yehua ; et al.	2017-10-12
Power circuit and related method for LED lighting device Grant 9,699,850 - Jin , et al. July 4, 2	2017-07-04
Power Circuit And Related Method For Led Lighting Device App 20170171930 - JIN; CHANGZHOU ; et al.	2017-06-15
LED power circuit using discrete components and configuration method Grant 9,585,208 - Wan , et al. February 28, 2	2017-02-28
Led Lighting Device And A Method To Verify Its Lifespan App 20170010333 - SHEN; JINXIANG ; et al.	2017-01-12
Power Circuit And Diming Control Method For Led Lighting Device App 20160255688 - WAN; YEHUA ; et al.	2016-09-01
Led Power Circuit Using Discrete Components And Configuration Method App 20160249419 - WAN; Yehua ; et al.	2016-08-25
LED lighting device and method for making the same Grant 9,279,577 - Wan March 8, 2	2016-03-08
Driver circuit and driving method for LED lighting device Grant 9,226,352 - Wan , et al. December 29, 2	2015-12-29
LED illumination device and validation methodology of LED illumination device's lifespan Grant 8,975,818 - Chen , et al. March 10, 2	2015-03-10
Driver Circuit And Driving Method For Led Lighting Device App 20150002038 - WAN; Yehua ; et al.	2015-01-01
Led Lighting Device And Method For Making The Same App 20140226334 - WAN; YEHUA	2014-08-14
Led Lighting Device And A Method To Verify Its Lifespan App 20140218039 - Shen; Jingxiang ; et al.	2014-08-07
LED Illumination Device and Validation Methodology of LED Illumination Device's Lifespan App 20140145622 - Chen; Fang ; et al.	2014-05-29
Tower-shaped LED module Grant 8,646,943 - Wan , et al. February 11, 2	2014-02-11
LED bulb Grant D643,135 - Wan , et al. August 9, 2	2011-08-09
LED bulb Grant D643,134 - Wan , et al. August 9, 2	2011-08-09
LED bulb Grant D641,091 - Wan , et al. July 5, 2	2011-07-05

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.