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Ryota Kadowaki
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Utsunomiya-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Wavelength conversion element, light source apparatus and image pro...
Patent number
10,775,686
Issue date
Sep 15, 2020
Canon Kabushiki Kaisha
Minoru Ohkoba
F21 - LIGHTING
Information
Patent Grant
Optical element, light source device using the same, and projection...
Patent number
9,915,859
Issue date
Mar 13, 2018
Canon Kabushiki Kaisha
Ryota Kadowaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image display apparatus
Patent number
9,851,552
Issue date
Dec 26, 2017
Canon Kabushiki Kaisha
Ryota Kadowaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Light source unit, control method thereof, and projection-type disp...
Patent number
9,591,279
Issue date
Mar 7, 2017
Canon Kabushiki Kaisha
Ryota Kadowaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Optical system for image projection and image projection apparatus...
Patent number
7,976,166
Issue date
Jul 12, 2011
Canon Kabushiki Kaisha
Atsushi Okuyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Illumination optical system and projection-type image display appar...
Patent number
7,878,659
Issue date
Feb 1, 2011
Canon Kabushiki Kaisha
Ryota Kadowaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
MEASURING APPARATUS, ON-BOARD SYSTEM, AND MOVABLE APPARATUS
Publication number
20250180352
Publication date
Jun 5, 2025
Canon Kabushiki Kaisha
RYOTA KADOWAKI
B60 - VEHICLES IN GENERAL
Information
Patent Application
LIGHT SOURCE APPARATUS AND IMAGE PROJECTION APPARATUS
Publication number
20210247676
Publication date
Aug 12, 2021
Canon Kabushiki Kaisha
Yuya Kurata
G02 - OPTICS
Information
Patent Application
WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE APPARATUS AND IMAGE PRO...
Publication number
20170343890
Publication date
Nov 30, 2017
Canon Kabushiki Kaisha
Minoru Ohkoba
G02 - OPTICS
Information
Patent Application
OPTICAL ELEMENT, LIGHT SOURCE DEVICE USING THE SAME, AND PROJECTION...
Publication number
20160357097
Publication date
Dec 8, 2016
Canon Kabushiki Kaisha
Ryota KADOWAKI
G02 - OPTICS
Information
Patent Application
IMAGE DISPLAY APPARATUS
Publication number
20160353066
Publication date
Dec 1, 2016
Canon Kabushiki Kaisha
Ryota Kadowaki
G02 - OPTICS
Information
Patent Application
LIGHT SOURCE UNIT, CONTROL METHOD THEREOF, AND PROJECTION-TYPE DISP...
Publication number
20160065922
Publication date
Mar 3, 2016
Canon Kabushiki Kaisha
Ryota Kadowaki
F21 - LIGHTING
Information
Patent Application
ILLUMINATION OPTICAL SYSTEM AND PROJECTION-TYPE IMAGE DISPLAY APPAR...
Publication number
20090002634
Publication date
Jan 1, 2009
Canon Kabushiki Kaisha
Ryota Kadowaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL SYSTEM FOR IMAGE PROJECTION AND IMAGE PROJECTION APPARATUS
Publication number
20070291594
Publication date
Dec 20, 2007
Atsushi OKUYAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE