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Takumi SAGO
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Matsumoto-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Light emitting element with improved layer thickness uniformity
Patent number
9,595,675
Issue date
Mar 14, 2017
Seiko Epson Corporation
Takumi Sago
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing organic EL element, organic EL element, org...
Patent number
9,490,456
Issue date
Nov 8, 2016
Seiko Epson Corporation
Takumi Sago
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Organic EL device, method for manufacturing the same, and electroni...
Patent number
9,123,665
Issue date
Sep 1, 2015
Seiko Epson Corporation
Takumi Sago
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
LIGHT-EMITTING ELEMENT, METHOD OF MANUFACTURING LIGHT-EMITTING ELEM...
Publication number
20150280130
Publication date
Oct 1, 2015
SEIKO EPSON CORPORATION
Takumi SAGO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD OF MANUFACTURING ORGANIC EL ELEMENT, ORGANIC EL ELEMENT, ORG...
Publication number
20150060828
Publication date
Mar 5, 2015
SEIKO EPSON CORPORATION
Takumi SAGO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ORGANIC EL DEVICE, METHOD FOR MANUFACTURING THE SAME, AND ELECTRONI...
Publication number
20140091287
Publication date
Apr 3, 2014
SEIKO EPSON CORPORATION
Takumi SAGO
H01 - BASIC ELECTRIC ELEMENTS