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Takashi Urakawa
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Yokohama-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Projector having a rod integrator with an entrance plane smaller th...
Patent number
9,703,178
Issue date
Jul 11, 2017
Canon Kabushiki Kaisha
Masakazu Tohara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Projector with illumination system having a cuboid optical member
Patent number
9,274,405
Issue date
Mar 1, 2016
Canon Kabushiki Kaisha
Masakazu Tohara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image processing apparatus and method for displaying an image to an...
Patent number
8,520,115
Issue date
Aug 27, 2013
Canon Kabushiki Kaisha
Takashi Urakawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Manufacturing method for optical element
Patent number
8,418,516
Issue date
Apr 16, 2013
Canon Kabushiki Kaisha
Takashi Urakawa
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Liquid lens
Patent number
8,363,328
Issue date
Jan 29, 2013
Canon Kabushiki Kaisha
Minoru Tsuji
G02 - OPTICS
Information
Patent Grant
Scanning image projection apparatus
Patent number
8,358,456
Issue date
Jan 22, 2013
Canon Kabushiki Kaisha
Takashi Urakawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Liquid lens
Patent number
8,355,209
Issue date
Jan 15, 2013
Canon Kabushiki Kaisha
Minoru Tsuji
G02 - OPTICS
Information
Patent Grant
Light scanning apparatus and scanning type image display apparatus
Patent number
8,035,678
Issue date
Oct 11, 2011
Canon Kabushiki Kaisha
Keiichiro Ishihara
G02 - OPTICS
Information
Patent Grant
Handy image projection apparatus
Patent number
7,988,299
Issue date
Aug 2, 2011
Canon Kabushiki Kaisha
Takashi Urakawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical deflector having tapered aperture stop, light scanning appa...
Patent number
7,894,114
Issue date
Feb 22, 2011
Canon Kabushiki Kaisha
Takashi Urakawa
G02 - OPTICS
Information
Patent Grant
Optical scanning apparatus and image displaying apparatus having th...
Patent number
7,649,662
Issue date
Jan 19, 2010
Canon Kabushiki Kaisha
Takashi Urakawa
G02 - OPTICS
Information
Patent Grant
Image displaying apparatus
Patent number
7,609,229
Issue date
Oct 27, 2009
Canon Kabushiki Kaisha
Takashi Urakawa
G02 - OPTICS
Information
Patent Grant
Optical scanner and image display apparatus having the same
Patent number
7,573,626
Issue date
Aug 11, 2009
Canon Kabushiki Kaisha
Takashi Urakawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical element and optical apparatus having the optical element
Patent number
7,529,045
Issue date
May 5, 2009
Canon Kabushiki Kaisha
Takashi Urakawa
G02 - OPTICS
Information
Patent Grant
Scanning type image forming apparatus having the same containing sc...
Patent number
7,453,613
Issue date
Nov 18, 2008
Canon Kabushiki Kaisha
Takashi Urakawa
G02 - OPTICS
Information
Patent Grant
Eye detection apparatus and image display apparatus
Patent number
7,414,791
Issue date
Aug 19, 2008
Canon Kabushiki Kaisha
Takashi Urakawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Mounting unit for head mounted apparatus and head mounting apparatus
Patent number
RE40438
Issue date
Jul 22, 2008
Canon Kabushiki Kaisha
Takashi Urakawa
002 - Apparel
Information
Patent Grant
Mounting unit for head mounted apparatus and head mounting apparatus
Patent number
6,978,478
Issue date
Dec 27, 2005
Canon Kabushiki Kaisha
Takashi Urakawa
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL PRISM AND METHOD FOR BONDING THE SAME
Publication number
20140293465
Publication date
Oct 2, 2014
Canon Kabushiki Kaisha
Minoru Tsuji
G02 - OPTICS
Information
Patent Application
PROJECTOR
Publication number
20140185017
Publication date
Jul 3, 2014
Canon Kabushiki Kaisha
Masakazu Tohara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PROJECTOR
Publication number
20140185018
Publication date
Jul 3, 2014
Canon Kabushiki Kaisha
Masakazu Tohara
G02 - OPTICS
Information
Patent Application
SCANNING IMAGE PROJECTION APPARATUS
Publication number
20110228369
Publication date
Sep 22, 2011
Canon Kabushiki Kaisha
Takashi URAKAWA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LIQUID LENS
Publication number
20110157711
Publication date
Jun 30, 2011
Canon Kabushiki Kaisha
Minoru Tsuji
G02 - OPTICS
Information
Patent Application
LIQUID LENS
Publication number
20110149406
Publication date
Jun 23, 2011
Canon Kabushiki Kaisha
Minoru Tsuji
G02 - OPTICS
Information
Patent Application
IMAGE PROCESSING APPARATUS AND METHOD
Publication number
20100182479
Publication date
Jul 22, 2010
Canon Kabushiki Kaisha
Takashi Urakawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MANUFACTURING METHOD FOR OPTICAL ELEMENT
Publication number
20090283238
Publication date
Nov 19, 2009
Canon Kabushiki Kaisha
Takashi Urakawa
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
OPTICAL SCANNING APPARATUS AND IMAGE DISPLAYING APPARATUS HAVING TH...
Publication number
20090040585
Publication date
Feb 12, 2009
Takashi Urakawa
G02 - OPTICS
Information
Patent Application
OPTICAL DEFLECTOR, LIGHT SCANNING APPRATUS AND SCANNING TYPE IMAGE...
Publication number
20080049289
Publication date
Feb 28, 2008
Canon Kabushiki Kaisha
Takashi Urakawa
G02 - OPTICS
Information
Patent Application
LIGHT SCANNING APPARATUS AND SCANNING TYPE IMAGE DISPLAY APPARATUS
Publication number
20080049095
Publication date
Feb 28, 2008
Canon Kabushiki Kaisha
Keiichiro Ishihara
G02 - OPTICS
Information
Patent Application
HANDY IMAGE PROJECTION APPARATUS
Publication number
20080036923
Publication date
Feb 14, 2008
Canon Kabushiki Kaisha
Takashi Urakawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Scanning display
Publication number
20060285216
Publication date
Dec 21, 2006
Akira Yamamoto
G02 - OPTICS
Information
Patent Application
Optical element and optical apparatus having the optical element
Publication number
20060280424
Publication date
Dec 14, 2006
Takashi Urakawa
G02 - OPTICS
Information
Patent Application
Eye detection apparatus and image display apparatus
Publication number
20060077558
Publication date
Apr 13, 2006
Takashi Urakawa
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Optical scanning apparatus and image apparatus having the same
Publication number
20050190426
Publication date
Sep 1, 2005
Takashi Urakawa
G02 - OPTICS
Information
Patent Application
Optical scanner and image display apparatus having the same
Publication number
20050179951
Publication date
Aug 18, 2005
Takashi Urakawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Image displaying apparatus
Publication number
20050068255
Publication date
Mar 31, 2005
Takashi Urakawa
G02 - OPTICS
Information
Patent Application
Mounting unit for head mounted apparatus and head mounting apparatus
Publication number
20040003453
Publication date
Jan 8, 2004
Takashi Urakawa
G02 - OPTICS