Ryo Sakamoto

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Epitaxial substrate for electronic device comprising a high resista...
- Patent number 8,946,863
- Issue date Feb 3, 2015
- Dowa Electronics Materials Co., Ltd.
- Tetsuya Ikuta
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Epitaxial substrate for electronic device, in which current flows i...
- Patent number 8,710,489
- Issue date Apr 29, 2014
- Dowa Electronics Materials Co., Ltd.
- Tetsuya Ikuta
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Epitaxial substrate for electronic device and method of producing t...
- Patent number 8,426,893
- Issue date Apr 23, 2013
- Dowa Electronics Materials Co., Ltd.
- Tetsuya Ikuta
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor material, method of making the same, and semiconducto...
- Patent number 8,344,356
- Issue date Jan 1, 2013
- Dowa Electronics Materials Co., Ltd.
- Ryo Sakamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vertical resonator type light emitting diode
- Patent number 8,115,193
- Issue date Feb 14, 2012
- Dowa Electronics Materials Co., Ltd.
- Masatoshi Iwata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light-emitting device and manufacturing method of the same
- Patent number 8,044,439
- Issue date Oct 25, 2011
- Dowa Electronics Materials Co., Ltd.
- Ryo Sakamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Surface light emitting element
- Patent number 7,989,799
- Issue date Aug 2, 2011
- Dowa Electronics Materials Co., Ltd.
- Ryo Sakamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Surface preparation method and semiconductor device
- Patent number 6,336,970
- Issue date Jan 8, 2002
- Dowa Mining Co., Ltd.
- Ryo Sakamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gallium based active material for the negative electrode, a negativ...
- Patent number 5,462,821
- Issue date Oct 31, 1995
- Dowa Mining Co., Ltd.
- Takashi Onoue
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
EPITAXIAL SUBSTRATE FOR ELECTRONIC DEVICE, IN WHICH CURRENT FLOWS I...
- Publication number 20120168719
- Publication date Jul 5, 2012
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Tetsuya Ikuta
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
EPITAXIAL SUBSTRATE FOR ELECTRONIC DEVICE AND METHOD OF PRODUCING T...
- Publication number 20120153440
- Publication date Jun 21, 2012
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Tetsuya Ikuta
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
EPITAXIAL SUBSTRATE FOR ELECTRONIC DEVICE AND METHOD OF PRODUCING T...
- Publication number 20120091435
- Publication date Apr 19, 2012
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Tetsuya Ikuta
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR MATERIAL, METHOD OF MAKING THE SAME, AND SEMICONDUCTO...
- Publication number 20110001127
- Publication date Jan 6, 2011
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Ryo Sakamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VERTICAL RESONATOR TYPE LIGHT EMITTING DIODE
- Publication number 20100301363
- Publication date Dec 2, 2010
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Masatoshi IWATA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT-EMITTING DEVICE AND MANUFACTURING METHOD OF THE SAME
- Publication number 20090278163
- Publication date Nov 12, 2009
- Ryo Sakamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Surface Light Emitting Element
- Publication number 20090272963
- Publication date Nov 5, 2009
- Ryo Sakamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VERTICAL RESONATOR TYPE LIGHT EMITTING DIODE
- Publication number 20090020777
- Publication date Jan 22, 2009
- Masatoshi Iwata
- H01 - BASIC ELECTRIC ELEMENTS

Ryo Sakamoto

Person

Patents Grantslast 30 patents

Epitaxial substrate for electronic device comprising a high resista...

Epitaxial substrate for electronic device, in which current flows i...

Epitaxial substrate for electronic device and method of producing t...

Semiconductor material, method of making the same, and semiconducto...

Vertical resonator type light emitting diode

Light-emitting device and manufacturing method of the same

Surface light emitting element

Surface preparation method and semiconductor device

Gallium based active material for the negative electrode, a negativ...

Patents Applicationslast 30 patents

EPITAXIAL SUBSTRATE FOR ELECTRONIC DEVICE, IN WHICH CURRENT FLOWS I...

EPITAXIAL SUBSTRATE FOR ELECTRONIC DEVICE AND METHOD OF PRODUCING T...

EPITAXIAL SUBSTRATE FOR ELECTRONIC DEVICE AND METHOD OF PRODUCING T...

SEMICONDUCTOR MATERIAL, METHOD OF MAKING THE SAME, AND SEMICONDUCTO...

VERTICAL RESONATOR TYPE LIGHT EMITTING DIODE

LIGHT-EMITTING DEVICE AND MANUFACTURING METHOD OF THE SAME

Surface Light Emitting Element

VERTICAL RESONATOR TYPE LIGHT EMITTING DIODE