Takamasa EGAWA

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Osaka, JP

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Patents Grantslast 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

Patents Applicationslast 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 SEPARATOR AND APPARATUS FOR PRODUCING SEPARATOR
- Publication number 20200343505
- Publication date Oct 29, 2020
- Sumitomo Chemical Company, Limited
- Yusuke KON
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR PRODUCING SLIT SEPARATORS AND APPARATUS FOR PRODUCING SL...
- Publication number 20200341070
- Publication date Oct 29, 2020
- Sumitomo Chemical Company, Limited
- Yusuke KON
- H01 - BASIC ELECTRIC ELEMENTS