Liu ZhiDong

USPTO Trademark & Patent Filings

Trademark applications and grants for Liu Zhidong. Liu Zhidong has 4 trademark applications. The latest application filed is for "ESPOFY"

Company Profile

Liu ZhiDong
LIU, Zhidong
zhidong liu
Liu; Zhidong - Cary NC
LIU; Zhidong - Zhuhai Guangdong

Entity Type	INDIVIDUAL
Address	No.20, Xing'anwei, Qutang Village Longtian Town Xingning CHINA 514500

*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
METHODS, APPARATUS, AND SYSTEMS TO INCREASE COMMON-MODE TRANSIENT IMMUNITY IN ISOLATION DEVICES 20200186394 - 16/790475 Liu; Zhidong ; et al.	2020-06-11
METHODS, APPARATUS, AND SYSTEMS TO INCREASE COMMON-MODE TRANSIENT IMMUNITY IN ISOLATION DEVICES 20200099551 - 16/425536 Liu; Zhidong ; et al.	2020-03-26
SELF-BOOST ISOLATION DEVICE 20200083804 - 16/126666 Zhu; Danyang ; et al.	2020-03-12
MEMS OPTICAL SWITCH 20160154183 - 14/900412 ZHOU; Jian ; et al.	2016-06-02
MEMS FIBER OPTICAL SWITCH 20160139340 - 14/900420 ZHOU; Jian ; et al.	2016-05-19
Methods, apparatus, and systems to increase common-mode transient immunity in isolation devices 10,841,133 - 16/790,475 Liu , et al. November 17, 2	2020-11-17
Self-boost isolation device 10,784,776 - 16/126,666 Zhu , et al. Sept	2020-09-22
Methods, apparatus, and systems to increase common-mode transient immunity in isolation devices 10,601,614 - 16/425,536 Liu , et al.	2020-03-24

Patent Grants & Applications

Trademark Applications

Mark Image Registration \| Serial	Trademark Application Date
"ESPOFY" 88537932	ESPOFY 2019-07-25
"AMZTRUNK" 88523250	AMZTRUNK 2019-07-19
"Symbol/Image" 88523222	Symbol/Image 2019-07-19
"Symbol/Image" 4171729 85481528	Symbol/Image 2011-11-28

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