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last 30 patents
Information
Patent Grant
Nonaqueous electrolyte secondary battery laminated separator
Patent number
11,695,186
Issue date
Jul 4, 2023
Sumitomo Chemical Company, Limited
Shizuka Iwata
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Porous layer having nonuniform internal structure, battery laminate...
Patent number
11,611,131
Issue date
Mar 21, 2023
Sumitomo Chemical Company, Limited
Shizuka Iwata
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nonaqueous electrolyte secondary battery porous layer
Patent number
11,594,785
Issue date
Feb 28, 2023
Sumitomo Chemical Company, Limited
Shizuka Iwata
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nonaqueous electrolyte secondary battery laminated separator
Patent number
11,594,786
Issue date
Feb 28, 2023
Sumitomo Chemical Company, Limited
Shizuka Iwata
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nonaqueous electrolyte secondary battery porous layer
Patent number
10,553,906
Issue date
Feb 4, 2020
Sumitomo Chemical Company, Limited
Takuji Yamamoto
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
NONAQUEOUS ELECTROLYTE SECONDARY BATTERY LAMINATED SEPARATOR
Publication number
20200335760
Publication date
Oct 22, 2020
Sumitomo Chemical Company, Limited
Shizuka IWATA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NONAQUEOUS ELECTROLYTE SECONDARY BATTERY POROUS LAYER
Publication number
20200335751
Publication date
Oct 22, 2020
Sumitomo Chemical Company, Limited
Shizuka IWATA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NONAQUEOUS ELECTROLYTE SECONDARY BATTERY POROUS LAYER
Publication number
20200335753
Publication date
Oct 22, 2020
Sumitomo Chemical Company, Limited
Shizuka IWATA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NONAQUEOUS ELECTROLYTE SECONDARY BATTERY LAMINATED SEPARATOR
Publication number
20200335750
Publication date
Oct 22, 2020
Sumitomo Chemical Company, Limited
Shizuka IWATA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NONAQUEOUS ELECTROLYTE SECONDARY BATTERY POROUS LAYER
Publication number
20200335752
Publication date
Oct 22, 2020
Sumitomo Chemical Company, Limited
Shizuka IWATA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NONAQUEOUS ELECTROLYTE SECONDARY BATTERY POROUS LAYER
Publication number
20190123378
Publication date
Apr 25, 2019
Sumitomo Chemical Company, Limited
Takuji YAMAMOTO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NONAQUEOUS ELECTROLYTE SECONDARY BATTERY POROUS LAYER
Publication number
20190123379
Publication date
Apr 25, 2019
Sumitomo Chemical Company, Limited
Takuji YAMAMOTO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NONAQUEOUS ELECTROLYTE SECONDARY BATTERY POROUS LAYER
Publication number
20190123380
Publication date
Apr 25, 2019
Sumitomo Chemical Company, Limited
Takuji YAMAMOTO
H01 - BASIC ELECTRIC ELEMENTS