Yoshihisa Hatta

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Patents Grantslast 30 patents

Information Patent Grant
Mold for manufacturing optical element and production method for sa...
- Patent number 9,915,758
- Issue date Mar 13, 2018
- Oji Holdings Corporation
- Kotaro Dai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Dry etching method of manufacturing semiconductor light emitting de...
- Patent number 9,748,441
- Issue date Aug 29, 2017
- Oji Holdings Corporation
- Yoshihisa Hatta
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor light emitting device substrate including an uneven s...
- Patent number 9,515,223
- Issue date Dec 6, 2016
- Oji Holdings Corporation
- Yoshihisa Hatta
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SUBSTRATE FOR SEMICONDUCTOR LIGHT EMITTING DEVICE AND SEMICONDUCTOR...
- Publication number 20170309784
- Publication date Oct 26, 2017
- OJI HOLDINGS CORPORATION
- Yoshihisa Hatta
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SUBSTRATE FOR SEMICONDUCTOR LIGHT EMITTING DEVICE AND SEMICONDUCTOR...
- Publication number 20160197236
- Publication date Jul 7, 2016
- OJI HOLDINGS CORPORATION
- Yoshihisa Hatta
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MOLD FOR MANUFACTURING OPTICAL ELEMENT AND PRODUCTION METHOD FOR SA...
- Publication number 20150301230
- Publication date Oct 22, 2015
- OJI HOLDINGS CORPORATION
- Kotaro Dai
- G02 - OPTICS
Information Patent Application
SUBSTRATE FOR SEMICONDUCTOR LIGHT EMITTING DEVICE AND SEMICONDUCTOR...
- Publication number 20150221824
- Publication date Aug 6, 2015
- OJI HOLDINGS CORPORATION
- Yoshihisa Hatta
- H01 - BASIC ELECTRIC ELEMENTS