Chang; Dong Gyu

Patent Applications and Registrations

Patent applications and USPTO patent grants for Chang; Dong Gyu.The latest application filed is for "cathode active material for lithium-ion secondary batteries, method for producing same, and lithium-ion secondary battery comprising same".

Company Profile

2.12.15

Chang; Dong Gyu - Daejeon KR
Chang; Dong Gyu - Daejeon-Si KR
Chang; Dong Gyu - Daejeon-city KR
Chang; Dong Gyu - Suwon KR

*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
Method for preparing lithium metal phosphor oxide Grant 10,752,504 - Song , et al. A	2020-08-25
Negative electrode active material for secondary battery, conductive composition for secondary battery, negative electrode material comprising same, negative electrode structure and secondary battery comprising same, and method for manufacturing same Grant 10,586,978 - Kawakami , et al.	2020-03-10
Cathode active material for lithium-ion secondary batteries, method for producing same, and lithium-ion secondary battery comprising same Grant 10,468,673 - Kim , et al. No	2019-11-05
Lithium transition metal phosphate, method for producing same, and lithium secondary battery produced using same Grant 10,020,509 - Shin , et al. July 10, 2	2018-07-10
Negative electrode active material for secondary battery, conductive composition for secondary battery, negative electrode material comprising same, negative electrode structure and secondary battery comprising same, and method for manufacturing same Grant 9,911,976 - Kawakami , et al. March 6, 2	2018-03-06
Cathode Active Material For Lithium-ion Secondary Batteries, Method For Producing Same, And Lithium-ion Secondary Battery Comprising Same App 20170358796 - KIM; Ji Yoon ; et al.	2017-12-14
Negative Electrode Active Material For Secondary Battery, Conductive Composition For Secondary Battery, Negative Electrode Material Comprising Same, Negative Electrode Structure And Secondary Battery Comprising Same, And Method For Manufacturing Same App 20170338477 - KAWAKAMI; Soichiro ; et al.	2017-11-23
Negative Electrode Active Material For Secondary Battery, Conductive Composition For Secondary Battery, Negative Electrode Material Comprising Same, Negative Electrode Structure And Secondary Battery Comprising Same, And Method For Manufacturing Same App 20170338478 - KAWAKAMI; Soichiro ; et al.	2017-11-23
Method for manufacturing lithium metal phosphate Grant 9,796,589 - Song , et al. October 24, 2	2017-10-24
Negative electrode active material for secondary battery, conductive composition for secondary battery, negative electrode material comprising same, negative electrode structure and secondary battery comprising same, and method for manufacturing same Grant 9,761,869 - Kawakami , et al. September 12, 2	2017-09-12
Method for manufacturing a lithium transition metal phosphate Grant 9,537,149 - Kim , et al. January 3, 2	2017-01-03
Lithium Transition Metal Phosphate, Method For Producing Same, And Lithium Secondary Battery Produced Using Same App 20160329565 - Shin; Jae Seung ; et al.	2016-11-10
Method For Manufacturing Lithium Metal Phosphate App 20160002040 - Song; Hyun A ; et al.	2016-01-07
Surface-modified Silicon Nanoparticles For Negative Electrode Active Material, And Method For Manufacturing Same App 20150280223 - Chang; Dong Gyu ; et al.	2015-10-01
Negative Electrode Active Material For Secondary Battery, Conductive Composition For Secondary Battery, Negative Electrode Material Comprising Same, Negative Electrode Structure And Secondary Battery Comprising Same, And Method For Manufacturing Same App 20150270536 - Kawakami; Soichiro ; et al.	2015-09-24
Method For Preparing Lithium Metal Phosphor Oxide App 20150210546 - Song; Hyun A ; et al.	2015-07-30
Method For Preparing Nano-sized Iron Phosphate Particles App 20150203354 - Song; Hyun A ; et al.	2015-07-23
Film-type Negative Electrode Filled With Active Material And Method Of Manufacturing The Same App 20140370384 - Lee; Ju Myeung ; et al.	2014-12-18
Method For Preparing An Electrode Active Material For Improving The Properties Of A Battery, And Lithium Secondary Battery Including The Electrode Active Material Prepared Thereby App 20140091255 - Kim; Chun Joong ; et al.	2014-04-03
Method of preparing lithium titanate nanoparticles Grant 8,398,953 - Park , et al. March 19, 2	2013-03-19
Method For Manufacturing A Lithium Transition Metal Phosphate App 20130045153 - Kim; Chun Joong ; et al.	2013-02-21
Method Of Preparing Lithium Titanate Nanoparticles App 20120141360 - Park; Yun Jung ; et al.	2012-06-07
Dielectric composition having increased homogeneity and insulation resistance, method of preparing the same and multi-layer ceramic capacitor using the same Grant 6,649,554 - Chang , et al. November 18, 2	2003-11-18

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