Yuzuru Saitou

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Niihama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Aromatic polyester particles and method for producing aromatic poly...
- Patent number 11,198,758
- Issue date Dec 14, 2021
- Sumitomo Chemical Company, Limited
- Kazuyuki Ito
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Laminated porous film and non-aqueous electrolyte secondary battery
- Patent number 10,418,608
- Issue date Sep 17, 2019
- Sumitomo Chemical Company, Limited
- Hirohiko Hasegawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Laminated porous film and non-aqueous electrolyte secondary battery
- Patent number 9,882,191
- Issue date Jan 30, 2018
- Sumitomo Chemical Company, Limited
- Hirohiko Hasegawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Laminated porous film and non-aqueous electrolyte secondary battery
- Patent number 9,705,120
- Issue date Jul 11, 2017
- Sumitomo Chemical Company, Limited
- Hirohiko Hasegawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for producing fine α-alumina particles
- Patent number 7,674,525
- Issue date Mar 9, 2010
- Sumitomo Chemical Company, Limited
- Hajime Maki
- B82 - NANO-TECHNOLOGY

Patents Applicationslast 30 patents

Information Patent Application
AROMATIC POLYESTER PARTICLES AND METHOD FOR PRODUCING AROMATIC POLY...
- Publication number 20200109238
- Publication date Apr 9, 2020
- Sumitomo Chemical Company, Limited
- Kazuyuki ITO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
LAMINATED POROUS FILM AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
- Publication number 20180083249
- Publication date Mar 22, 2018
- Sumitomo Chemical Company, Limited
- Hirohiko Hasegawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LAMINATED POROUS FILM AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
- Publication number 20170279102
- Publication date Sep 28, 2017
- Sumitomo Chemical Company, Limited
- Hirohiko Hasegawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LAMINATED POROUS FILM AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
- Publication number 20140178741
- Publication date Jun 26, 2014
- SUMITOMO CHEMICAL COMPANY, LIMITED
- Hirohiko Hasegawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Process for producing fine alpha-alumina particles
- Publication number 20060210799
- Publication date Sep 21, 2006
- Sumitomo Chemical Company, Limited
- Hajime Maki
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES