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Mizuho Tomiyama
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Projection display apparatus and projection light generating method
Patent number
9,304,384
Issue date
Apr 5, 2016
NEC Corporation
Mizuho Tomiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Projection display apparatus and projection light generating method
Patent number
9,195,125
Issue date
Nov 24, 2015
NEC Corporation
Mizuho Tomiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical element, light source apparatus, and projection-type displa...
Patent number
9,170,351
Issue date
Oct 27, 2015
NEC Corporation
Masanao Natsumeda
G01 - MEASURING TESTING
Information
Patent Grant
Light source unit and projection display device with the same
Patent number
9,103,527
Issue date
Aug 11, 2015
NEC Corporation
Mizuho Tomiyama
F21 - LIGHTING
Information
Patent Grant
Optical device, optical element, and image display device
Patent number
9,041,041
Issue date
May 26, 2015
NEC Corporation
Masanao Natsumeda
F21 - LIGHTING
Information
Patent Grant
Light emitting element having structural bodies arrayed at a first...
Patent number
9,028,070
Issue date
May 12, 2015
NEC Corporation
Mizuho Tomiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL ELEMENT, ILLUMINATION DEVICE, IMAGE DISPLAY DEVICE, METHOD...
Publication number
20150301282
Publication date
Oct 22, 2015
NEC Corporation
Masanao Natsumeda
G02 - OPTICS
Information
Patent Application
DEFECT ANALYSIS DEVICE, DEFECT ANALYSIS METHOD, AND PROGRAM
Publication number
20150276545
Publication date
Oct 1, 2015
NEC Corporation
Masatake Takahashi
G01 - MEASURING TESTING
Information
Patent Application
PROJECTION DISPLAY APPARATUS AND PROJECTION LIGHT GENERATING METHOD
Publication number
20150261078
Publication date
Sep 17, 2015
Mizuho Tomiyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
LEAK DETECTION DEVICE, LEAK DETECTION METHOD AND PROGRAM
Publication number
20150253215
Publication date
Sep 10, 2015
NEC Corporation
Mizuho Tomiyama
G01 - MEASURING TESTING
Information
Patent Application
LIGHT SOURCE UNIT, PROJECTION-TYPE DISPLAY DEVICE, LIGHTING EQUIPME...
Publication number
20150167906
Publication date
Jun 18, 2015
NEC CORPORATIN
Mizuho Tomiyama
F21 - LIGHTING
Information
Patent Application
PROJECTION DISPLAY APPARATUS AND PROJECTION LIGHT GENERATING METHOD
Publication number
20150160542
Publication date
Jun 11, 2015
NEC Corporation
Mizuho Tomiyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
OPTICAL ELEMENT, LIGHTING DEVICE, AND IMAGE DISPLAY DEVICE
Publication number
20150109587
Publication date
Apr 23, 2015
Masanao Natsumeda
G02 - OPTICS
Information
Patent Application
OPTICAL DEVICE, OPTICAL ELEMENT, AND IMAGE DISPLAY DEVICE
Publication number
20150016085
Publication date
Jan 15, 2015
NEC Corporation
Masanao Natsumeda
G02 - OPTICS
Information
Patent Application
OPTICAL ELEMENT AND PROJECTION-TYPE DISPLAY DEVICE USING SAME
Publication number
20140226197
Publication date
Aug 14, 2014
NEC Corporation
Masanao Natsumeda
G02 - OPTICS
Information
Patent Application
OPTICAL ELEMENT, LIGHT SOURCE APPARATUS, AND PROJECTION-TYPE DISPLA...
Publication number
20140139809
Publication date
May 22, 2014
NEC Corporation
Masanao Natsumeda
G02 - OPTICS
Information
Patent Application
OPTICAL ELEMENT, ILLUMINATION DEVICE, AND PROJECTION DISPLAY DEVICE
Publication number
20140022818
Publication date
Jan 23, 2014
NEC Corporation
Masanao Natsumeda
G02 - OPTICS
Information
Patent Application
LIGHT SOURCE UNIT AND PROJECTION DISPLAY DEVICE WITH THE SAME
Publication number
20130222770
Publication date
Aug 29, 2013
NEC Corporation
Mizuho Tomiyama
G02 - OPTICS
Information
Patent Application
LIGHT SOURCE UNIT AND IMAGE DISPLAY DEVICE
Publication number
20130016139
Publication date
Jan 17, 2013
NEC Corporation
Mizuho Tomiyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LIGHT EMITTING ELEMENT AND PROJECTION DISPLAY DEVICE PROVIDED WITH...
Publication number
20120224147
Publication date
Sep 6, 2012
NEC Corporation
Mizuho Tomiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE