Tatsuya SAKAMOTO

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Niihama-shi, Ehime, JP

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Patents Grantslast 30 patents

Information Patent Grant
Film production method and film production device
- Patent number 10,355,256
- Issue date Jul 16, 2019
- Sumitomo Chemical Company, Limited
- Koji Kashu
- G01 - MEASURING TESTING
Information Patent Grant
Film production method and film production device
- Patent number 10,263,233
- Issue date Apr 16, 2019
- Sumitomo Chemical Company, Limited
- Koji Kashu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Film production method and film production device
- Patent number 10,177,358
- Issue date Jan 8, 2019
- Sumitomo Chemical Company, Limited
- Koji Kashu
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Production method for separator sheet, production method for separa...
- Patent number 10,168,285
- Issue date Jan 1, 2019
- Sumitomo Chemical Company, Limited
- Koji Kashu
- G01 - MEASURING TESTING
Information Patent Grant
Film production method and film production device
- Patent number 10,090,499
- Issue date Oct 2, 2018
- Sumitomo Chemical Company, Limited
- Koji Kashu
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING SEPARATOR AND APPARATUS FOR PRODUCING SEPARATOR
- Publication number 20200341069
- Publication date Oct 29, 2020
- Sumitomo Chemical Company, Limited
- Yusuke KON
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FILM PRODUCTION METHOD AND FILM PRODUCTION DEVICE
- Publication number 20170317327
- Publication date Nov 2, 2017
- Sumitomo Chemical Company, Limited
- Koji KASHU
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Application
FILM PRODUCTION METHOD AND FILM PRODUCTION DEVICE
- Publication number 20170307971
- Publication date Oct 26, 2017
- Sumitomo Chemical Company, Limited
- Koji KASHU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PRODUCTION METHOD FOR SEPARATOR SHEET, PRODUCTION METHOD FOR SEPARA...
- Publication number 20170307543
- Publication date Oct 26, 2017
- Sumitomo Chemical Company, Limited
- Koji KASHU
- G01 - MEASURING TESTING