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Hyogo, JP
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last 30 patents
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Patent Grant
Additive for nonaqueous electrolyte solutions, nonaqueous electroly...
Patent number
12,021,191
Issue date
Jun 25, 2024
Sumitomo Seika Chemicals Co., Ltd.
Yuki Kono
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Additive for non-aqueous electrolytic solutions, non-aqueous electr...
Patent number
11,342,587
Issue date
May 24, 2022
Sumitomo Seika Chemicals Co., Ltd.
Yasuyuki Takai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electrolyte solution for capacitors, electric double layer capacito...
Patent number
9,646,773
Issue date
May 9, 2017
Sumitomo Seika Chemicals Co., Ltd.
Kazuyuki Kobayashi
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Electrolyte solution for electrochemical devices, aluminum electrol...
Patent number
9,583,272
Issue date
Feb 28, 2017
Sumitomo Seika Chemicals Co., Ltd.
Shunji Oyama
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
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Patent Application
ADDITIVE FOR NONAQUEOUS ELECTROLYTE SOLUTIONS, NONAQUEOUS ELECTROLY...
Publication number
20210184259
Publication date
Jun 17, 2021
Sumitomo Seika Chemicals Co., Ltd.
Yuki KONO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ADDITIVE FOR NON-AQUEOUS ELECTROLYTIC SOLUTIONS, NON-AQUEOUS ELECTR...
Publication number
20200036040
Publication date
Jan 30, 2020
Sumitomo Seika Chemicals Co., Ltd.
Yasuyuki TAKAI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ADDITIVE FOR NON-AQUEOUS ELECTROLYTE, NON-AQUEOUS ELECTROLYTE, AND...
Publication number
20180358655
Publication date
Dec 13, 2018
SUMITOMO SEIKA CHEMICALS CO., LTD.
Yuki KONO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ELECTROLYTE SOLUTION FOR ELECTROCHEMICAL DEVICES, ALUMINUM ELECTROL...
Publication number
20150076389
Publication date
Mar 19, 2015
SUMITOMO SEIKA CHEMICALS CO., LTD.
Shunji Oyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTROLYTE SOLUTION FOR CAPACITORS, ELECTRIC DOUBLE LAYER CAPACITO...
Publication number
20150049418
Publication date
Feb 19, 2015
SUMITOMO SEIKA CHEMICALS CO., LTD.
Kazuyuki Kobayashi
H01 - BASIC ELECTRIC ELEMENTS