Ji; Lianhua

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ji; Lianhua.The latest application filed is for "measurement techniques for liquid crystal parameters including rotational viscosity".

Company Profile

3.6.5

Ji; Lianhua - Erie CO
Ji; Lianhua - Boulder CO

*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
Measurement techniques for ion impurities in liquid crystal mixtures Grant 10,338,417 - Zou , et al.	2019-07-02
Measurement techniques for liquid crystal parameters including twist elastic constant without light measurement Grant 10,191,309 - Zou , et al. Ja	2019-01-29
Measurement techniques for liquid crystal parameters including twist elastic constant with light measurement Grant 10,175,511 - Zou , et al. J	2019-01-08
Measurement techniques for liquid crystal parameters including rotational viscosity Grant 10,156,742 - Zou , et al. Dec	2018-12-18
Measurement Techniques For Liquid Crystal Parameters Including Twist Elastic Constant With Light Measurement App 20170255040 - ZOU; HENRY ZHONG ; et al.	2017-09-07
Measurement Techniques For Liquid Crystal Parameters Including Rotational Viscosity App 20170255038 - ZOU; Henry Zhong ; et al.	2017-09-07
Measurement Techniques For Ion Impurities In Liquid Crystal Mixtures App 20170255039 - ZOU; HENRY ZHONG ; et al.	2017-09-07
Measurement Techniques For Liquid Crystal Parameters And Ion Impurities App 20170038614 - ZOU; Henry Zhong ; et al.	2017-02-09
Optical attenuator Grant 6,636,681 - Ji , et al. October 21, 2	2003-10-21
DC-balanced and non-DC-balanced drive schemes for liquid crystal devices Grant 6,507,330 - Handschy , et al. January 14, 2	2003-01-14
Optical attenuator App 20020164146 - Ji, Lianhua ; et al.	2002-11-07

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