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Tomohiko Sagimori
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Semiconductor device
Patent number
9,214,597
Issue date
Dec 15, 2015
Oki Data Corporation
Mitsuhiko Ogihara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Display apparatus
Patent number
8,816,364
Issue date
Aug 26, 2014
Oki Data Corporation
Takahito Suzuki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and optical print head
Patent number
8,748,918
Issue date
Jun 10, 2014
Oki Data Corporation
Mitsuhiko Ogihara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light emitting panel having a plurality of light emitting element a...
Patent number
8,664,672
Issue date
Mar 4, 2014
Oki Data Corporation
Mitsuhiko Ogihara
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Graphene wafer, method for manufacturing the graphene wafer, method...
Patent number
8,524,366
Issue date
Sep 3, 2013
Oki Data Corporation
Mitsuhiko Ogihara
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Method of manufacturing semiconductor device, semiconductor device...
Patent number
8,481,342
Issue date
Jul 9, 2013
Oki Data Corporation
Mitsuhiko Ogihara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Separation method of nitride semiconductor layer, semiconductor dev...
Patent number
8,409,366
Issue date
Apr 2, 2013
Oki Data Corporation
Mitsuhiko Ogihara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Display apparatus
Patent number
8,269,314
Issue date
Sep 18, 2012
Oki Data Corporation
Takahito Suzuki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Efficient light emitting semiconductor device
Patent number
8,258,537
Issue date
Sep 4, 2012
Oki Data Corporation
Tomoki Igari
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Semiconductor device, optical print head and image forming apparatus
Patent number
8,134,164
Issue date
Mar 13, 2012
Oki Data Corporation
Mitsuhiko Ogihara
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Composite semiconductor device, LED print head that employs the com...
Patent number
8,022,418
Issue date
Sep 20, 2011
Oki Data Corporation
Tomohiko Sagimori
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Composite semiconductor device, LED head that employs the composite...
Patent number
7,999,275
Issue date
Aug 16, 2011
Oki Data Corporation
Mitsuhiko Ogihara
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method of manufacturing by etching a semiconductor substrate horizo...
Patent number
7,947,576
Issue date
May 24, 2011
Oki Data Corporation
Tomoki Igari
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Composite semiconductor device
Patent number
7,928,572
Issue date
Apr 19, 2011
Oki Data Corporation
Mitsuhiko Ogihara
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Semiconductor device, light emitting diode print head, and image fo...
Patent number
7,541,620
Issue date
Jun 2, 2009
Oki Data Corporation
Tomohiko Sagimori
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
SEMICONDUCTOR DEVICE
Publication number
20130264605
Publication date
Oct 10, 2013
Mitsuhiko OGIHARA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
DISPLAY APPARATUS
Publication number
20120286303
Publication date
Nov 15, 2012
Oki Data Corporation
Takahito Suzuki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Separation method of nitride semiconductor layer, semiconductor dev...
Publication number
20100320445
Publication date
Dec 23, 2010
Oki Data Corporation
Mitsuhiko Ogihara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Graphene wafer, method for manufacturing the graphene wafer, method...
Publication number
20100323164
Publication date
Dec 23, 2010
Oki Data Corporation
Mitsuhiko Ogihara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE, SEMICONDUCTOR DEVICE...
Publication number
20100244054
Publication date
Sep 30, 2010
Oki Data Corporation
Mitsuhiko OGIHARA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device and optical print head
Publication number
20100051979
Publication date
Mar 4, 2010
Oki Data Corporation
Mitsuhiko Ogihara
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
SEMICONDUCTOR DEVICE, OPTICAL PRINT HEAD AND IMAGE FORMING APPARATUS
Publication number
20090242905
Publication date
Oct 1, 2009
Oki Data Corporation
Mitsuhiko OGIHARA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE
Publication number
20090239361
Publication date
Sep 24, 2009
Oki Data Corporation
Tomoki Igari
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE, LED HEAD AND IMAGE FORMING APPARATUS
Publication number
20090224276
Publication date
Sep 10, 2009
Oki Data Corporation
Tomoki Igari
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Semiconductor device
Publication number
20090212398
Publication date
Aug 27, 2009
Oki Data Corporation
Takahito Suzuki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LIGHT EMITTING PANEL, DISPLAY DEVICE AND LIGHT SOURCE DEVICE
Publication number
20090001391
Publication date
Jan 1, 2009
Oki Data Corporation
Mitsuhiko OGIHARA
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Semiconductor device, LED head and image forming apparatus
Publication number
20080251798
Publication date
Oct 16, 2008
Oki Data Corporation
Mitsuhiko Ogihara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor wafer, light emitting diode print head, image forming...
Publication number
20080224170
Publication date
Sep 18, 2008
Oki Data Corporation
Mitsuhiko Ogihara
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Display apparatus
Publication number
20080219006
Publication date
Sep 11, 2008
Oki Data Corporation
Takahito Suzuki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device, light emitting diode print head, and image fo...
Publication number
20080054273
Publication date
Mar 6, 2008
Oki Data Corporation
Tomohiko Sagimori
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Semiconductor combined device, light emitting diode head, and image...
Publication number
20080023716
Publication date
Jan 31, 2008
Oki Data Corporation
Tomohiko Sagimori
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
COMPOSITE SEMICONDUCTOR DEVICE, LED HEAD THAT EMPLOYS THE COMPOSITE...
Publication number
20070252156
Publication date
Nov 1, 2007
Oki Data Corporation
Mitsuhiko OGIHARA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
COMPOSITE SEMICONDUCTOR DEVICE, LED PRINT HEAD THAT EMPLOYS THE COM...
Publication number
20070246718
Publication date
Oct 25, 2007
Oki Data Corporation
Tomohiko Sagimori
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
COMPOSITE SEMICONDUCTOR DEVICE, LED HEAD THAT EMPLOYS THE COMPOSITE...
Publication number
20070222077
Publication date
Sep 27, 2007
Oki Data Corporation
Mitsuhiko Ogihara
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS