Dou Liang

USPTO Trademark & Patent Filings

Trademark applications and grants for Dou Liang. Dou Liang has 4 trademark applications. The latest application filed is for "YSEAGA"

Company Profile

Dou Liang
liang dou
DOU; Liang - Beijing CN
Dou; Liang - Beijing CN

Entity Type	INDIVIDUAL
Address	No. 92, Douzhuang Group, Buqiao Village Luling Town, Yongqiao District Suzhou CHINA 234000

*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
METHOD AND APPARATUS FOR ESTIMATING DIRECT CURRENT BIAS OF OPTICAL MODULATOR AND RECEIVER 20190222308 - 16/367384 FAN; Yangyang ; et al.	2019-07-18
SIGNAL PROCESSING APPARATUS, APPARATUS AND METHOD FOR MONITORING CHANNEL SPACING AND SYSTEM 20170310440 - 15/493801 LI; Huihui ; et al.	2017-10-26
APPARATUS AND METHOD FOR PROCESSING A FREQUENCY OFFSET OF A PILOT AND RECEIVER 20170310416 - 15/493831 LI; Huihui ; et al.	2017-10-26
APPARATUS AND METHOD FOR MEASURING FREQUENCY RESPONSE CHARACTERISTICS OF OPTICAL TRANSMITTER AND OPTICAL RECEIVER 20170288771 - 15/476123 JU; Cheng ; et al.	2017-10-05
APPARATUS AND METHOD FOR ESTIMATING A FREQUENCY OFFSET, APPARATUS AND METHOD FOR ESTIMATING A CHANNEL SPACING AND SYSTEM 20170272279 - 15/460963 ZHAO; Ying ; et al.	2017-09-21
Estimating apparatus for bias drift of transmitting end modulator, compensating apparatus and receiver 10,771,230 - 15/291,141 Dou , et al. Sep	2020-09-08
Apparatus and method for processing a frequency offset of a pilot and receiver 10,623,128 - 15/493,831 Li , et al.	2020-04-14
Method and apparatus for estimating direct current bias of optical modulator and receiver 10,574,350 - 16/367,384 Fan , et al. Feb	2020-02-25
Signal processing apparatus, apparatus and method for monitoring channel spacing and system 10,491,294 - 15/493,801 Li , et al. Nov	2019-11-26
Signal processing apparatus, signal transmitting apparatus and receiver 10,439,852 - 15/135,905 Dou , et al. O	2019-10-08

Patent Grants & Applications

Trademark Applications

Mark Image Registration \| Serial	Trademark Application Date
"YSEAGA" 90391208	YSEAGA 2020-12-17
"VREVEO" 90391172	VREVEO 2020-12-17
"RYISTC" 90391121	RYISTC 2020-12-17
"TNATRA" 90391140	TNATRA 2020-12-17

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