Haruki Otsuka

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Konohana-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Production method of polymer compound
- Patent number 10,717,809
- Issue date Jul 21, 2020
- Sumitomo Chemical Company, Limited
- Yasutaka Yatsumonji
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Polymer compound having carbon cluster structure and organic device...
- Patent number 9,269,905
- Issue date Feb 23, 2016
- Sumitomo Chemical Company, Limited
- Shin-Ya Tanaka
- B82 - NANO-TECHNOLOGY

Patents Applicationslast 30 patents

Information Patent Application
NONAQUEOUS ELECTROLYTE SECONDARY BATTERY POROUS LAYER
- Publication number 20190386275
- Publication date Dec 19, 2019
- Sumitomo Chemical Company, Limited
- Haruki OTSUKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NONAQUEOUS ELECTROLYTE SECONDARY BATTERY POROUS LAYER
- Publication number 20190386343
- Publication date Dec 19, 2019
- Sumitomo Chemical Company, Limited
- Haruki OTSUKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PRODUCTION METHOD OF POLYMER COMPOUND
- Publication number 20190185613
- Publication date Jun 20, 2019
- Sumitomo Chemical Company, Limited
- Yasutaka YATSUMONJI
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
POLYMER COMPOUND HAVING CARBON CLUSTER STRUCTURE AND ORGANIC DEVICE...
- Publication number 20130270545
- Publication date Oct 17, 2013
- SUMITOMO CHEMICAL COMPANY, LIMITED
- Shin-Ya Tanaka
- B82 - NANO-TECHNOLOGY