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Tatsuya KATAOKA
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Niihama-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Separator film conveyance device for nonaqueous electrolytic-soluti...
Patent number
11,491,494
Issue date
Nov 8, 2022
Sumitomo Chemical Company, Limited
Yosuke Tsukuda
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Slitting apparatus and method for producing separator roll
Patent number
10,800,060
Issue date
Oct 13, 2020
Sumitomo Chemical Company, Limited
Kiyomu Nomura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for producing separator roll and device for producing separa...
Patent number
10,661,462
Issue date
May 26, 2020
Sumitomo Chemical Company, Limited
Kiyomu Nomura
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Grant
Method for manufacturing separator web, method for manufacturing se...
Patent number
10,665,838
Issue date
May 26, 2020
Sumitomo Chemical Company, Limited
Koichiro Watanabe
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Grant
Method for producing film
Patent number
10,518,467
Issue date
Dec 31, 2019
Sumitomo Chemical Company, Limited
Yusuke Kon
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for producing slit separator and method for producing separa...
Patent number
10,513,045
Issue date
Dec 24, 2019
Sumitomo Chemical Company, Limited
Satoshi Oohira
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Method for producing film and method for winding off film
Patent number
10,427,904
Issue date
Oct 1, 2019
Sumitomo Chemical Company, Limited
Jian Wang
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Film inspection device, film inspection method, and film production...
Patent number
10,379,059
Issue date
Aug 13, 2019
Sumitomo Chemical Company, Limited
Genjiro Nishikata
G01 - MEASURING TESTING
Information
Patent Grant
Method for producing separator and method for slitting separator or...
Patent number
10,307,925
Issue date
Jun 4, 2019
Sumitomo Chemical Company, Limited
Koichiro Watanabe
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Slitting apparatus and method for producing separator roll
Patent number
10,105,861
Issue date
Oct 23, 2018
Sumitomo Chemical Company, Limited
Kiyomu Nomura
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Grant
Device and method for producing separator roll
Patent number
10,035,278
Issue date
Jul 31, 2018
Sumitomo Chemical Company, Limited
Kiyomu Nomura
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Grant
Method for producing separator and method for slitting
Patent number
9,931,756
Issue date
Apr 3, 2018
Sumitomo Chemical Company, Limited
Koichiro Watanabe
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Grant
Method for producing slit separator, method for producing separator...
Patent number
9,687,990
Issue date
Jun 27, 2017
Sumitomo Chemical Company, Limited
Satoshi Oohira
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Patents Applications
last 30 patents
Information
Patent Application
SEPARATOR FILM CONVEYANCE DEVICE FOR NONAQUEOUS ELECTROLYTIC-SOLUTI...
Publication number
20210184310
Publication date
Jun 17, 2021
Sumitomo Chemical Company, Limited
Yosuke TSUKUDA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR PRODUCING FILM AND FILM WINDING DEVICE
Publication number
20190389121
Publication date
Dec 26, 2019
Sumitomo Chemical Company, Limited
Tatsuya KATAOKA
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
SLITTING APPARATUS AND METHOD FOR PRODUCING SEPARATOR ROLL
Publication number
20190016002
Publication date
Jan 17, 2019
Sumitomo Chemical Company, Limited
Kiyomu NOMURA
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Application
METHOD FOR PRODUCING SEPARATOR ROLL AND DEVICE FOR PRODUCING SEPARA...
Publication number
20180311849
Publication date
Nov 1, 2018
Sumitomo Chemical Company, Limited
Kiyomu NOMURA
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Application
METHOD FOR PRODUCING SEPARATOR AND METHOD FOR SLITTING SEPARATOR OR...
Publication number
20180169881
Publication date
Jun 21, 2018
Sumitomo Chemical Company, Limited
Koichiro WATANABE
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Application
METHOD FOR PRODUCING SLIT SEPARATOR AND METHOD FOR PRODUCING SEPARA...
Publication number
20170305025
Publication date
Oct 26, 2017
SUMITOMO CHEMICAL COMPANY, LIMITED
Satoshi OOHIRA
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Application
METHOD FOR MANUFACTURING SEPARATOR WEB, METHOD FOR MANUFACTURING SE...
Publication number
20170307542
Publication date
Oct 26, 2017
Sumitomo Chemical Company, Limited
Koichiro WATANABE
G01 - MEASURING TESTING
Information
Patent Application
METHOD FOR PRODUCING FILM AND METHOD FOR WINDING OFF FILM
Publication number
20170174460
Publication date
Jun 22, 2017
Sumitomo Chemical Company, Limited
Jian WANG
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
METHOD FOR PRODUCING FILM
Publication number
20170173848
Publication date
Jun 22, 2017
Sumitomo Chemical Company, Limited
Yusuke KON
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
FILM INSPECTION DEVICE, FILM INSPECTION METHOD, AND FILM PRODUCTION...
Publication number
20170016837
Publication date
Jan 19, 2017
Sumitomo Chemical Company, Limited
Genjiro NISHIKATA
G01 - MEASURING TESTING
Information
Patent Application
SEPARATOR WASHING METHOD, SEPARATOR PRODUCING METHOD, AND FILM WASH...
Publication number
20160365555
Publication date
Dec 15, 2016
Sumitomo Chemical Company, Limited
Yasuo SHINOHARA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR PRODUCING SLIT SEPARATOR, METHOD FOR PRODUCING SEPARATOR...
Publication number
20160325448
Publication date
Nov 10, 2016
Sumitomo Chemical Company, Limited
Satoshi OOHIRA
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Application
SLITTING APPARATUS AND METHOD FOR PRODUCING SEPARATOR ROLL
Publication number
20160325450
Publication date
Nov 10, 2016
Sumitomo Chemical Company, Limited
Kiyomu NOMURA
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Application
METHOD FOR PRODUCING SEPARATOR AND METHOD FOR SLITTING
Publication number
20160325446
Publication date
Nov 10, 2016
Sumitomo Chemical Company, Limited
Koichiro WATANABE
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Application
METHOD FOR PRODUCING SEPARATOR ROLL AND METHOD FOR SLITTING SEPARATOR
Publication number
20160325447
Publication date
Nov 10, 2016
Sumitomo Chemical Company, Limited
Kiyomu NOMURA
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Application
SLITTING APPARATUS AND METHOD FOR PRODUCING SEPARATOR ROLL
Publication number
20160325449
Publication date
Nov 10, 2016
SUMITOMO CHEMICAL COMPANY, LIMITED
Kiyomu NOMURA
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Application
METHOD FOR PRODUCING SEPARATOR AND METHOD FOR SLITTING
Publication number
20160322619
Publication date
Nov 3, 2016
Sumitomo Chemical Company, Limited
Koichiro WATANABE
B26 - HAND CUTTING TOOLS CUTTING SEVERING