Xu, Siyuan

USPTO Trademark & Patent Filings

Trademark applications and grants for Xu, Siyuan. Xu, Siyuan has 1 trademark applications. The latest application filed is for "WENTAOO"

Company Profile

Xu, Siyuan
siyuan xu
XU; SiYuan - Pudong New Area CN
XU; Siyuan - Shanghai CN
Xu; Siyuan - Shanghai CN

Entity Type	INDIVIDUAL
Address	Building 29, Poly Zhongyun Garden Southwest Street, Sanshui District Foshan, Guangdong CHINA 528100

*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
SECURE COMMUNICATION APPARATUS AND METHOD 20220012114 - 17/482432 CHEN; ShanZhi ; et al.	2022-01-13
CIRCUIT AND METHOD FOR CONTROLLING CHARGING OF EMERGENCY LIGHTING LUMINAIRES BY A SWITCH 20210119479 - 17/037695 DU; Hongyue ; et al.	2021-04-22
CIRCUIT AND METHOD FOR CONTROLLING BRIGHTNESS OF EMERGENCY LIGHTING LUMINAIRES BY A SWITCH 20210119478 - 17/037706 DU; Hongyue ; et al.	2021-04-22
HIGH POWER-FACTOR CONTROL CIRCUIT AND POWER SUPPLY 20160087523 - 14/493338 LIU; NA ; et al.	2016-03-24
CIRCUITS AND METHODS FOR INCREASING POWER FACTOR OF SWITCH MODE POWER SUPPLY 20130343095 - 13/610790 ZHU; YAJIANG ; et al.	2013-12-26
Circuit and method for controlling charging of emergency lighting luminaires by a switch 11,271,423 - 17/037,695 Du , et al. March 8, 2	2022-03-08
High power-factor control circuit and power supply 9,431,895 - 14/493,338 Liu , et al. August 30, 2	2016-08-30
Circuits and methods for increasing power factor of switch mode power supply 8,964,415 - 13/610,790 Zhu , et al. February 24, 2	2015-02-24
Circuits and methods for increasing power factor of switch mode power supply 8,964,415 - 13/610,790 Zhu , et al. February 24, 2	2015-02-24
Control circuit and system for switch mode power supply 8,923,021 - 13/338,857 Ren , et al. December 30, 2	2014-12-30

Patent Grants & Applications

Trademark Applications

Mark Image Registration \| Serial	Trademark Application Date
"WENTAOO" 97529949	WENTAOO 2022-08-02

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