Chi; Yanfei

Patent Applications and Registrations

Patent applications and USPTO patent grants for Chi; Yanfei.The latest application filed is for "phosphors and preparation method thereof as well as white led".

Company Profile

5.5.6

Chi; Yanfei - Beijing 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
Phosphors and preparation method thereof as well as white LED Grant 11,332,665 - Sun , et al. May 17, 2	2022-05-17
Phosphors And Preparation Method Thereof As Well As White Led App 20210403807 - SUN; Shaojun ; et al.	2021-12-30
Light emitting device and fabrication method thereof, and electronic apparatus Grant 11,211,574 - Lu , et al. December 28, 2	2021-12-28
Light Emitting Device And Fabrication Method Thereof, And Electronic Apparatus App 20210336170 - LU; Junxiang ; et al.	2021-10-28
Display module, display device and working method thereof Grant 11,064,186 - Hu , et al. July 13, 2	2021-07-13
Detection panel and manufacturing method thereof Grant 11,056,605 - Cheng , et al. July 6, 2	2021-07-06
Pixel Structure, Display Panel And Display Apparatus App 20200403042 - LIU; Chengjun ; et al.	2020-12-24
Optical detection sensor Grant 10,794,759 - Cheng , et al. October 6, 2	2020-10-06
Display Module, Display Device And Working Method Thereof App 20200296353 - HU; Guiguang ; et al.	2020-09-17
Detection Panel And Manufacturing Method Thereof App 20200135957 - CHENG; Hao ; et al.	2020-04-30
Optical Detection Sensor App 20200011730 - CHENG; Hao ; et al.	2020-01-09

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.