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Gaku YOSHIKAWA
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Osaka-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Silicone-based encapsulating material composition and semiconductor...
Patent number
10,011,720
Issue date
Jul 3, 2018
Sumitomo Chemical Company, Limited
Gaku Yoshikawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for producing semiconductor light-emitting device
Patent number
9,972,756
Issue date
May 15, 2018
Sumitomo Chemical Company, Limited
Gaku Yoshikawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for producing semiconductor light-emitting device
Patent number
9,954,152
Issue date
Apr 24, 2018
Sumitomo Chemical Company, Limited
Gaku Yoshikawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Silicone resin liquid composition
Patent number
9,840,641
Issue date
Dec 12, 2017
Sumitomo Chemical Company, Limited
Masayuki Takashima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Polysilsesquioxane based encapsulating material composition for UV-...
Patent number
9,765,190
Issue date
Sep 19, 2017
Sumitomo Chemical Company, Limited
Gaku Yoshikawa
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR PRODUCING SEMICONDUCTOR LIGHT-EMITTING DEVICE
Publication number
20170229622
Publication date
Aug 10, 2017
SUMITOMO CHEMICAL COMPANY, LIMITED
Gaku YOSHIKAWA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SILICONE-BASED ENCAPSULATING MATERIAL COMPOSITION AND SEMICONDUCTOR...
Publication number
20170210899
Publication date
Jul 27, 2017
SUMITOMO CHEMICAL COMPANY, LIMITED
Gaku YOSHIKAWA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SILICONE RESIN LIQUID COMPOSITION
Publication number
20160340549
Publication date
Nov 24, 2016
Sumitomo Chemical Company, Limited
Masayuki TAKASHIMA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
POLYSILSESQUIOXANE BASED ENCAPSULATING MATERIAL COMPOSITION FOR UV-...
Publication number
20160340474
Publication date
Nov 24, 2016
Sumitomo Chemical Company, Limited
Gaku YOSHIKAWA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR PRODUCING SEMICONDUCTOR LIGHT-EMITTING DEVICE
Publication number
20160336493
Publication date
Nov 17, 2016
Sumitomo Chemical Company, Limited
Gaku YOSHIKAWA
H01 - BASIC ELECTRIC ELEMENTS