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Kei SUGAWARA
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Ichihara-shi, Chiba, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Lithium borate compound, additive for lithium secondary battery, no...
Patent number
12,315,879
Issue date
May 27, 2025
Mitsui Chemicals, Inc.
Kenichi Goto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nonaqueous electrolytic solution for battery and lithium secondary...
Patent number
12,255,288
Issue date
Mar 18, 2025
Mitsui Chemicals, Inc.
Kei Sugawara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Non-aqueous electrolyte solution for battery and lithium secondary...
Patent number
12,095,037
Issue date
Sep 17, 2024
Mitsui Chemicals, Inc.
Kei Sugawara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nonaqueous electrolyte solution including boron compound additive h...
Patent number
11,652,237
Issue date
May 16, 2023
Mitsui Chemicals, Inc.
Satoko Fujiyama
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
BUFFER MATERIAL, EXTERIOR MATERIAL, AND ROBOT COMPONENT
Publication number
20250196466
Publication date
Jun 19, 2025
Mitsui Chemicals, Inc.
Kei SUGAWARA
B32 - LAYERED PRODUCTS
Information
Patent Application
BUFFER MATERIAL
Publication number
20240182709
Publication date
Jun 6, 2024
Mitsui Chemicals, Inc.
Makoto KAJIURA
B32 - LAYERED PRODUCTS
Information
Patent Application
LITHIUM SECONDARY BATTERY
Publication number
20230143385
Publication date
May 11, 2023
Mitsui Chemicals, Inc.
Kei SUGAWARA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LITHIUM BORATE COMPOUND, ADDITIVE FOR LITHIUM SECONDARY BATTERY, NO...
Publication number
20220231336
Publication date
Jul 21, 2022
Mitsui Chemicals, Inc.
Kenichi GOTO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NONAQUEOUS ELECTROLYTIC SOLUTION FOR BATTERY AND LITHIUM SECONDARY...
Publication number
20220158247
Publication date
May 19, 2022
Mitsui Chemicals, Inc.
Kei SUGAWARA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NON-AQUEOUS ELECTROLYTE SOLUTION FOR BATTERY AND LITHIUM SECONDARY...
Publication number
20220029199
Publication date
Jan 27, 2022
Mitsui Chemicals, Inc.
Satoko FUJIYAMA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NON-AQUEOUS ELECTROLYTE SOLUTION FOR BATTERY AND LITHIUM SECONDARY...
Publication number
20210296703
Publication date
Sep 23, 2021
Mitsui Chemicals, Inc.
Kei SUGAWARA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NONAQUEOUS ELECTROLYTE SOLUTION FOR BATTERY AND LITHIUM SECONDARY B...
Publication number
20210126288
Publication date
Apr 29, 2021
Mitsui Chemicals, Inc.
Satoko FUJIYAMA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NONAQUEOUS ELECTROLYTE SOLUTION FOR BATTERIES, AND LITHIUM SECONDAR...
Publication number
20210043972
Publication date
Feb 11, 2021
Mitsui Chemicals, Inc.
Kei SUGAWARA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NONAQUEOUS ELECTROLYTIC SOLUTION FOR BATTERY AND LITHIUM SECONDARY...
Publication number
20210043971
Publication date
Feb 11, 2021
Mitsui Chemicals, Inc.
Satoko FUJIYAMA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LITHIUM SECONDARY BATTERY AND NONAQUEOUS ELECTROLYTE SOLUTION
Publication number
20200203768
Publication date
Jun 25, 2020
Mitsui Chemicals, Inc.
Satoko FUJIYAMA
C01 - INORGANIC CHEMISTRY