Ji; Yaming

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ji; Yaming.The latest application filed is for "a grain-oriented silicon steel having heat-resistant magnetic domain and manufacturing method thereof".

Company Profile

2.5.9

Ji; Yaming - Shanghai CN

*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
Laser-scribed grain-oriented silicon steel resistant to stress-relief annealing and manufacturing method therefor Grant 11,355,275 - Zhao , et al. June 7, 2	2022-06-07
A Grain-oriented Silicon Steel Having Heat-resistant Magnetic Domain And Manufacturing Method Thereof App 20210023659 - CHU; Shuangjie ; et al.	2021-01-28
Method For Manufacturing Stress-relief-annealing-resistant, Low-iron-loss Grain-oriented Silicon Steel App 20200362433 - CHU; Shuangjie ; et al.	2020-11-19
Laser-scribed Grain-oriented Silicon Steel Resistant To Stress-relief Annealing And Manufacturing Method Therefor App 20200058434 - ZHAO; Zipeng ; et al.	2020-02-20
Chromium-free insulation coating material for non-oriented silicon steel Grant 9,334,405 - Xu , et al. May 10, 2	2016-05-10
Annualing Separation Agent For Producing Grain-oriented Silicon Steel With Smooth Surface And Good Magnetic Property App 20130292005 - Zhao; Zipeng ; et al.	2013-11-07
Chromium-Free Insulation Coating Material for Non-Oriented Silicon Steel App 20130203896 - Xu; Yunpeng ; et al.	2013-08-08
Manufacturing method of oriented SI steel with high electric-magnetic property Grant 8,333,846 - Yang , et al. December 18, 2	2012-12-18
Method for producing grain-oriented silicon steel containing copper Grant 8,231,739 - Ji , et al. July 31, 2	2012-07-31
Method For Producing Grain-oriented Silicon Steel Containing Copper App 20110180187 - JI; Yaming ; et al.	2011-07-28
Manufacturing Method Of Oriented Si Steel With High Electric-magnetic Property App 20110139313 - Yang; Guohua ; et al.	2011-06-16

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