Li; Zongjin

Patent Applications and Registrations

Patent applications and USPTO patent grants for Li; Zongjin.The latest application filed is for "magnesium phosphate cement based bipolar plate composite material".

Company Profile

1.9.8

Li; Zongjin - Hong Kong CN
Li; Zongjin - East Point HK
Li, Zongjin - East Point City HK
Li; Zongjin - Clear Water Bay HK
Li, Zongjin - Tseung Kwan O HK

*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
Magnesium phosphate cement based bipolar plate composite material Grant 10,418,645 - Li , et al. Sept	2019-09-17
Magnesium phosphate cement based bipolar plate composite material App 20170358803 - LI; Zongjin ; et al.	2017-12-14
Magnesium phosphate cement based bipolar plate composite material Grant 9,774,043 - Li , et al. September 26, 2	2017-09-26
Magnesium phosphate cement based bipolar plate composite material App 20170062845 - LI; Zongjin ; et al.	2017-03-02
Pore structure analyzer based on non-contact impedance measurement for cement-based materials Grant 9,488,635 - Li , et al. November 8, 2	2016-11-08
Advanced inorganic material for reflection of electromagnetic waves Grant 9,340,971 - Li , et al. May 17, 2	2016-05-17
Method for preparing aqueous polyacrylate modified polyurethane dispersions Grant 9,234,068 - Yuan , et al. January 12, 2	2016-01-12
Advanced Inorganic Material For Reflection Of Electromagnetic Waves App 20130256578 - Li; Zongjin ; et al.	2013-10-03
Pore Structure Analyzer Based on Non-Contact Impedance Measurement for Cement-Based Materials App 20120158333 - LI; Zongjin ; et al.	2012-06-21
Method for preparing aqueous polyacrylate modified polyurethane dispersions App 20090111934 - Yuan; Caideng ; et al.	2009-04-30
Acoustic attenuation materials Grant 7,249,653 - Sheng , et al. July 31, 2	2007-07-31
Acoustic attenuation materials App 20050000751 - Sheng, Ping ; et al.	2005-01-06
Contactless, transformer-based measurement of the resistivity of materials Grant 6,639,401 - Li , et al. October 28, 2	2003-10-28
Acoustic attenuation materials App 20030062217 - Sheng, Ping ; et al.	2003-04-03
Apparatus and method for resistivity measurement of concrete App 20030016009 - Li, Zongjin ; et al.	2003-01-23

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