Membership
Tour
Register
Log in
Masao Imai
Follow
Person
Tokyo, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Illumination device and projection display device using same
Patent number
9,819,919
Issue date
Nov 14, 2017
NEC Corporation
Masao Imai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Liquid crystal shutter eyeglass
Patent number
9,436,016
Issue date
Sep 6, 2016
NEC Corporation
Goroh Saitoh
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Color synthesis optical element, projection-type display device usi...
Patent number
9,429,761
Issue date
Aug 30, 2016
NEC Corporation
Masao Imai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Illumination device and projection display device using same
Patent number
9,400,419
Issue date
Jul 26, 2016
NEC Corporation
Masao Imai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
Three-dimensional video viewing system, display system, optical shu...
Patent number
9,285,599
Issue date
Mar 15, 2016
NEC Corporation
Masao Imai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Three-dimensional picture viewing system, display system, optical s...
Patent number
9,210,415
Issue date
Dec 8, 2015
NEC Corporation
Masao Imai
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
Image transmission system, image transmission apparatus and image t...
Patent number
9,179,122
Issue date
Nov 3, 2015
NEC Corporation
Junichirou Ishii
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
Optical element, light source device, and projection display device
Patent number
9,116,270
Issue date
Aug 25, 2015
NEC Corporation
Masanao Natsumeda
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Display element, display device, and projection display device
Patent number
9,110,357
Issue date
Aug 18, 2015
NEC Corporation
Masanao Natsumeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical device for projection display device having plasmons excite...
Patent number
9,086,619
Issue date
Jul 21, 2015
NEC Corporation
Masanao Natsumeda
B82 - NANO-TECHNOLOGY
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
Display element, display device, and projection display device
Patent number
9,039,201
Issue date
May 26, 2015
NEC Corporation
Masanao Natsumeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Light emitting element, light source device, and projection display...
Patent number
9,028,071
Issue date
May 12, 2015
NEC Corporation
Masanao Natsumeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image processing apparatus, method, program and display
Patent number
9,030,539
Issue date
May 12, 2015
NEC Corporation
Daigo Miyasaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical element, light source device, and projection-type display d...
Patent number
8,998,420
Issue date
Apr 7, 2015
NEC Corporation
Shin Tominaga
G02 - OPTICS
Information
Patent Grant
Light source and projection-type display device
Patent number
8,994,055
Issue date
Mar 31, 2015
NEC Corporation
Shin Tominaga
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical element, light source device, and projection display device
Patent number
8,960,915
Issue date
Feb 24, 2015
NEC Corporation
Shin Tominaga
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Picture transmission system and picture transmission method
Patent number
8,933,988
Issue date
Jan 13, 2015
NEC Corporation
Junichirou Ishii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Display device and display method
Patent number
8,917,267
Issue date
Dec 23, 2014
NEC Corporation
Daigo Miyasaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Projection display device having light source device with color syn...
Patent number
8,870,384
Issue date
Oct 28, 2014
NEC Corporation
Masao Imai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image processing apparatus, method, program and display
Patent number
8,848,044
Issue date
Sep 30, 2014
NEC Corporation
Daigo Miyasaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical member, light source apparatus, display apparatus, and term...
Patent number
8,848,139
Issue date
Sep 30, 2014
NLT Technologies, Ltd.
Shinya Niioka
F21 - LIGHTING
Information
Patent Grant
Display system, control system, and display method
Patent number
8,810,493
Issue date
Aug 19, 2014
NEC Corporation
Kazunori Kimura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus, method and program for image processing, and display device
Patent number
8,803,765
Issue date
Aug 12, 2014
NEC Corporation
Daigo Miyasaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Liquid crystal shutter glasses
Patent number
8,797,468
Issue date
Aug 5, 2014
NEC Corporation
Goroh Saitoh
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image processing apparatus, method and program, and display apparatus
Patent number
8,797,389
Issue date
Aug 5, 2014
NEC Corporation
Daigo Miyasaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical member, light source apparatus, display apparatus, and term...
Patent number
8,780,300
Issue date
Jul 15, 2014
NLT Technologies, Ltd.
Shinya Niioka
F21 - LIGHTING
Patents Applications
last 30 patents
Information
Patent Application
ILLUMINATION DEVICE AND PROJECTION DISPLAY DEVICE USING SAME
Publication number
20160301904
Publication date
Oct 13, 2016
NEC Corporation
Masao IMAI
G02 - OPTICS
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
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
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 ELEMENT, OPTICAL DEVICE, AND DISPLAY DEVICE
Publication number
20150022784
Publication date
Jan 22, 2015
NEC Corporation
Shin Tominaga
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
IMAGE PROCESSING APPARATUS, METHOD, PROGRAM AND DISPLAY
Publication number
20140285510
Publication date
Sep 25, 2014
NEC Corporation
Daigo Miyasaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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 Elements, Light Source Devices, and Projection Type Display...
Publication number
20140226196
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 MEMBER, LIGHT SOURCE APPARATUS, DISPLAY APPARATUS, AND TERM...
Publication number
20140049944
Publication date
Feb 20, 2014
NEC Corporation
Shinya Niioka
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
Optical Device, Light Source, and Projection Type Display Device
Publication number
20130308102
Publication date
Nov 21, 2013
NEC Corporation
Masanao Natsumeda
B82 - NANO-TECHNOLOGY
Information
Patent Application
APPARATUS, METHOD AND PROGRAM FOR IMAGE PROCESSING, AND DISPLAY DEVICE
Publication number
20130207883
Publication date
Aug 15, 2013
Daigo MIYASAKA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
LIGHT SOURCE AND PROJECTION-TYPE DISPLAY DEVICE
Publication number
20130107132
Publication date
May 2, 2013
NEC Corporation
Shin Tominaga
G02 - OPTICS
Information
Patent Application
DISPLAY DEVICE, TERMINAL DEVICE, LIGHT SOURCE DEVICE, AND OPTICAL M...
Publication number
20130077316
Publication date
Mar 28, 2013
NEC LCD Technologies, Ltd.
Shin-ichi Uehara
G02 - OPTICS
Information
Patent Application
DISPLAY ELEMENT, DISPLAY DEVICE, AND PROJECTION DISPLAY DEVICE
Publication number
20130057938
Publication date
Mar 7, 2013
NEC Corporation
Masanao Natsumeda
G02 - OPTICS
Information
Patent Application
OPTICAL ELEMENT, LIGHT SOURCE DEVICE, AND PROJECTION DISPLAY DEVICE
Publication number
20130033678
Publication date
Feb 7, 2013
NEC Corporation
Masanao Natsumeda
B82 - NANO-TECHNOLOGY
Information
Patent Application
DISPLAY ELEMENT, DISPLAY DEVICE, AND PROJECTION DISPLAY DEVICE
Publication number
20130027675
Publication date
Jan 31, 2013
NEC Corporation
Masanao Natsumeda
G02 - OPTICS
Information
Patent Application
OPTICAL ELEMENT, LIGHT SOURCE DEVICE, AND PROJECTION DISPLAY DEVICE
Publication number
20120314188
Publication date
Dec 13, 2012
NEC Corporation
Shin Tominaga
B82 - NANO-TECHNOLOGY
Information
Patent Application
LIGHT EMITTING ELEMENT, LIGHT SOURCE DEVICE, AND PROJECTION DISPLAY...
Publication number
20120314189
Publication date
Dec 13, 2012
NEC Corporation
Masanao Natsumeda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LIGHT EMITTING ELEMENT, LIGHT SOURCE DEVICE, AND PROJECTION DISPLAY...
Publication number
20120224148
Publication date
Sep 6, 2012
NEC Corporation
Masanao Natsumeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL ELEMENT, LIGHT SOURCE DEVICE, AND PROJECTION-TYPE DISPLAY D...
Publication number
20120224149
Publication date
Sep 6, 2012
NEC Corporation
Shin Tominaga
G02 - OPTICS
Information
Patent Application
COLOR SYNTHESIS OPTICAL ELEMENT, PROJECTION-TYPE DISPLAY DEVICE USI...
Publication number
20120188458
Publication date
Jul 26, 2012
NEW CORPOATION
Masao Imai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ILLUMINATION DEVICE AND PROJECTION DISPLAY DEVICE USING SAME
Publication number
20120182484
Publication date
Jul 19, 2012
NEC Corporation
Masao Imai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LIGHT SOURCE DEVICE AND PROJECTION - TYPE DISPLAY DEVICE USING SAME
Publication number
20120182525
Publication date
Jul 19, 2012
NEC Corporation
Masao Imai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LIQUID CRYSTAL SHUTTER AND LIQUID CRYSTAL SHUTTER EYEGLASS
Publication number
20120092571
Publication date
Apr 19, 2012
NEC Corporation
Goroh Saitoh
G02 - OPTICS
Information
Patent Application
LIQUID CRYSTAL SHUTTER EYEGLASSES
Publication number
20120092572
Publication date
Apr 19, 2012
NEC Corporation
Goroh Saitoh
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LIQUID CRYSTAL SHUTTER AND LIQUID CRYSTAL SHUTTER GLASSES
Publication number
20110317082
Publication date
Dec 29, 2011
NEC Corporation
Goroh Saitoh
G06 - COMPUTING CALCULATING COUNTING