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Keiko Matsubara
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Yokohama-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Anode material for secondary battery and non-aqueous electrolyte se...
Patent number
10,862,115
Issue date
Dec 8, 2020
LG Chem, Ltd.
Keiko Matsubara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Negative electrode material for secondary battery and secondary bat...
Patent number
10,199,640
Issue date
Feb 5, 2019
LG Chem, Ltd.
Keiko Matsubara
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Negative electrode material for secondary battery and secondary bat...
Patent number
10,115,963
Issue date
Oct 30, 2018
LG Chem, Ltd.
Keiko Matsubara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Negative active material for rechargeable lithium battery and recha...
Patent number
8,048,568
Issue date
Nov 1, 2011
Samsung SDI Co., Ltd.
Kyou-Yoon Sheem
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Electrode material for a lithium secondary battery, lithium seconda...
Patent number
7,851,086
Issue date
Dec 14, 2010
Samsung SDI Co., Ltd.
Keiko Matsubara
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method of preparing a negative active material for rechargeable lit...
Patent number
7,658,871
Issue date
Feb 9, 2010
Samsung SDI Co., Ltd.
Keiko Matsubara
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Electrode material for a lithium secondary battery, lithium seconda...
Patent number
7,479,351
Issue date
Jan 20, 2009
Samsung SDI Co., Ltd.
Keiko Matsubara
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Graphite-containing composition, negative electrode for a lithium s...
Patent number
7,326,497
Issue date
Feb 5, 2008
Samsung SDI Co., Ltd.
Keiko Matsubara
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Electrode for a lithium secondary battery and a lithium secondary b...
Patent number
7,223,498
Issue date
May 29, 2007
Samsung SDI Co., Ltd.
Keiko Matsubara
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Electrode material, method for preparing same, electrode, and batte...
Patent number
6,869,730
Issue date
Mar 22, 2005
Samsung SDI Co., Ltd.
Keiko Matsubara
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Electrode for rechargeable lithium battery, method of preparing sam...
Patent number
6,855,459
Issue date
Feb 15, 2005
Samsung SDI Co., Ltd.
Keiko Matsubara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, ELECTROD...
Patent number
6,797,434
Issue date
Sep 28, 2004
Samsung SDI Co., Ltd.
Keiko Matsubara
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Negative electrode for lithium rechargeable batteries and lithium r...
Patent number
6,767,669
Issue date
Jul 27, 2004
Samsung SDI Co., Ltd.
Keiko Matsubara
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Method of preparing an anode material for lithium secondary battery
Patent number
6,733,546
Issue date
May 11, 2004
Samsung SDI Co., Ltd.
Keiko Matsubara
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Carbonaceous material and lithium secondary batteries comprising same
Patent number
6,733,922
Issue date
May 11, 2004
Samsung SDI Co., Ltd.
Keiko Matsubara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Carbon-based active material for rechargeable lithium battery and m...
Patent number
6,656,637
Issue date
Dec 2, 2003
Samsung SDI Co., Ltd.
Sang-Young Yoon
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Anode material for lithium secondary battery, an electrode for lith...
Patent number
6,641,955
Issue date
Nov 4, 2003
Samsung SDI Co., Ltd.
Keiko Matsubara
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Negative active material for rechargeable lithium battery and metho...
Patent number
6,589,696
Issue date
Jul 8, 2003
Samsung SDI Co., Ltd.
Keiko Matsubara
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Patents Applications
last 30 patents
Information
Patent Application
A SULFIDE-BASED SOLID ELECTROLYTE AND A METHOD FOR PREPARING SULFID...
Publication number
20240274869
Publication date
Aug 15, 2024
LG ENERGY SOLUTION, LTD.
Eiichiro NARIMATSU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NEGATIVE ELECTRODE SLURRY FOR LITHIUM-ION SECONDARY BATTERY AND MET...
Publication number
20240204181
Publication date
Jun 20, 2024
LG ENERGY SOLUTION, LTD.
Keiko MATSUBARA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Positive Electrode Active Material, Positive Electrode Active Mater...
Publication number
20240162422
Publication date
May 16, 2024
LG ENERGY SOLUTION, LTD.
Kuniko Chihara
C01 - INORGANIC CHEMISTRY
Information
Patent Application
SOLID ELECTROLYTE FOR SOLID-STATE BATTERY AND METHOD FOR PREPARING...
Publication number
20240039042
Publication date
Feb 1, 2024
LG ENERGY SOLUTION, LTD.
Eiichiro NARIMATSU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NEGATIVE ELECTRODE FOR SECONDARY BATTERY, NEGATIVE ELECTRODE SLURRY...
Publication number
20230387383
Publication date
Nov 30, 2023
LG ENERGY SOLUTION, LTD.
Keiko MATSUBARA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Positive Electrode Active Material, Positive Electrode Active Mater...
Publication number
20230369577
Publication date
Nov 16, 2023
LG ENERGY SOLUTION, LTD.
Kuniko Chihara
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Nonaqueous Electrolyte Solution and Lithium Secondary Battery Compr...
Publication number
20230100631
Publication date
Mar 30, 2023
LG ENERGY SOLUTION, LTD.
Yoshiyuki Igarashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Aqueous Slurry for Positive Electrode, Positive Electrode Compositi...
Publication number
20230036765
Publication date
Feb 2, 2023
LG ENERGY SOLUTION, LTD.
Kuniko Chihara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ANODE ACTIVE MATERIAL, AND ANODE AND SECONDARY BATTERY COMPRISING S...
Publication number
20220393151
Publication date
Dec 8, 2022
LG ENERGY SOLUTION, LTD.
Keiko MATSUBARA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ANODE MATERIAL FOR SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTE SE...
Publication number
20180069237
Publication date
Mar 8, 2018
LG CHEM, LTD.
Keiko MATSUBARA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NEGATIVE ELECTRODE MATERIAL FOR SECONDARY BATTERY AND SECONDARY BAT...
Publication number
20170018763
Publication date
Jan 19, 2017
LG CHEM, LTD.
Keiko MATSUBARA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NEGATIVE ELECTRODE MATERIAL FOR SECONDARY BATTERY AND SECONDARY BAT...
Publication number
20160308196
Publication date
Oct 20, 2016
LG CHEM, LTD.
Keiko Matsubara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Electrode Material for a Lithium Secondary Battery, Lithium Seconda...
Publication number
20090101865
Publication date
Apr 23, 2009
Keiko Matsubara
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Negative Active Material for Rechargeable Lithium Battery, Method o...
Publication number
20080302999
Publication date
Dec 11, 2008
Keiko Matsubara
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
Electrode material for a lithium secondary battery, lithium seconda...
Publication number
20050089755
Publication date
Apr 28, 2005
Keiko Matsubara
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Electrode for a lithium secondary battery and a lithium secondary b...
Publication number
20050079423
Publication date
Apr 14, 2005
Keiko Matsubara
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Negative active material for rechargeable lithium battery, method o...
Publication number
20050074672
Publication date
Apr 7, 2005
Keiko Matsubara
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Negative active material for rechargeable lithium battery, method o...
Publication number
20050042128
Publication date
Feb 24, 2005
Keiko Matsubara
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Negative active material for rechargeable lithium battery, method o...
Publication number
20040214085
Publication date
Oct 28, 2004
Kyou-Yoon Sheem
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Negative active material for rechargeable lithium battery and recha...
Publication number
20040197660
Publication date
Oct 7, 2004
Kyou-Yoon Sheem
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Graphite-containing composition, negative electrode for a lithium s...
Publication number
20040072076
Publication date
Apr 15, 2004
Keiko Matsubara
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Electrode for rechargeable lithium battery, method of preparing sam...
Publication number
20040041536
Publication date
Mar 4, 2004
Samsung SDI, Co., Ltd.
Keiko Matsubara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Anode material for lithium secondary battery, an electrode for lith...
Publication number
20030207177
Publication date
Nov 6, 2003
Keiko Matsubara
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
CARBON-BASED ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, RECH...
Publication number
20030143463
Publication date
Jul 31, 2003
SANG-YOUNG YOON
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Electrode material, method for preparing same, electrode, and batte...
Publication number
20030091899
Publication date
May 15, 2003
Keiko Matsubara
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Carbonaceous material and lithium secondary batteries comprising same
Publication number
20020164479
Publication date
Nov 7, 2002
Keiko Matsubara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Negative electrode for lithium rechargeable batteries and lithium r...
Publication number
20020039684
Publication date
Apr 4, 2002
Keiko Matsubara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Negative active material for rechargeable lithium battery and metho...
Publication number
20020009646
Publication date
Jan 24, 2002
Keiko Matsubara
H01 - BASIC ELECTRIC ELEMENTS