Chen, Yongfen

USPTO Trademark & Patent Filings

Trademark applications and grants for Chen, Yongfen. Chen, Yongfen has 5 trademark applications. The latest application filed is for "IQIAO"

Company Profile

Chen Yongfen
Chen, Yongfen
Yongfen Chen
yongfen chen
Chen; Yongfen - Eugene OR
CHEN; Yongfen - Eugene OR

Entity Type	INDIVIDUAL
Address	701, Bldg. 6, Crystal Garden No.244, Jihua Rd., Longgang Shenzhen Guangdong CHINA 518000

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

Patent Applications

Patent Application	Date
PREPARATION OF NANOCRYSTALS WITH MIXTURES OF ORGANIC LIGANDS 20190074354 - 16/107903 Bartel; Joseph ; et al.	2019-03-07
NANOCRYSTALS WITH HIGH EXTINCTION COEFFICIENTS AND METHODS OF MAKING AND USING SUCH NANOCRYSTALS 20180374920 - 16/107953 WELCH; Eric ; et al.	2018-12-27
NANOCRYSTALS WITH HIGH EXTINCTION COEFFICIENTS AND METHODS OF MAKING AND USING SUCH NANOCRYSTALS 20180158907 - 15/867684 WELCH; Eric ; et al.	2018-06-07
NANOCRYSTALS WITH HIGH EXTINCTION COEFFICIENTS AND METHODS OF MAKING AND USING SUCH NANOCRYSTALS 20170186840 - 15/401216 WELCH; Eric ; et al.	2017-06-29
STABLE INDIUM-CONTAINING SEMICONDUCTOR NANOCRYSTALS 20140206096 - 14/170349 BARTEL; Joseph ; et al.	2014-07-24
Preparation of nanocrystals with mixtures of organic ligands 11,011,603 - 16/107,903 Bartel , et al. May 18, 2	2021-05-18
Nanocrystals with high extinction coefficients and methods of making and using such nanocrystals 10,686,034 - 16/107,953 Welch , et al.	2020-06-16
Preparation of nanocrystals with mixtures of organic ligands 10,224,398 - 13/976,621 Bartel , et al.	2019-03-05
Preparation of nanocrystals with mixtures of organic ligands 10,224,398 - 13/976,621 Bartel , et al.	2019-03-05
Nanocrystals with high extinction coefficients and methods of making and using such nanocrystals 10,084,042 - 15/867,684 Welch , et al. September 25, 2	2018-09-25

Patent Grants & Applications

Trademark Applications

Mark Image Registration \| Serial	Trademark Application Date
"IQIAO" 90866580	IQIAO 2021-08-05
"OMGGIRLS" 88738923	OMGGIRLS 2019-12-25
"OMGIRLS" 88738933	OMGIRLS 2019-12-25
"YHMM" 88704813	YHMM 2019-11-25
"YH YHMM" 5838984 88279957	YH YHMM 2019-01-28

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