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Yoshio Kubo
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Image formation unit and image projection apparatus
Patent number
10,277,871
Issue date
Apr 30, 2019
Ricoh Company, Ltd.
Akihisa Mikawa
G02 - OPTICS
Information
Patent Grant
Image projection device and image projection method to control an i...
Patent number
9,864,262
Issue date
Jan 9, 2018
Ricoh Company, Ltd.
Tetsuya Fujioka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image projection apparatus
Patent number
9,618,833
Issue date
Apr 11, 2017
Ricoh Company, Ltd.
Yukimi Nishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image projection apparatus, control method, and computer-readable s...
Patent number
9,429,827
Issue date
Aug 30, 2016
Ricoh Company, Ltd.
Yoshio Kubo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image projection apparatus with an enclosure and air supply
Patent number
9,316,895
Issue date
Apr 19, 2016
Ricoh Company, Ltd.
Yoshio Kubo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image projection apparatus, control method, and computer-readable s...
Patent number
9,229,305
Issue date
Jan 5, 2016
Ricoh Company, Limited
Takahiro Kado
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image displaying apparatus including a projection optical system an...
Patent number
8,901,472
Issue date
Dec 2, 2014
Ricoh Company, Ltd.
Yasuyuki Shibayama
G02 - OPTICS
Information
Patent Grant
Projection type image display apparatus and lighting circuit contro...
Patent number
7,604,356
Issue date
Oct 20, 2009
Kabushiki Kaisha Toshiba
Yoshio Kubo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of producing superconducting wire
Patent number
7,210,216
Issue date
May 1, 2007
Mitsubishi Denki Kabushiki Kaisha
Kunihiko Egawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Projector, lamp lighting circuit and lamp lighting control method
Patent number
6,891,338
Issue date
May 10, 2005
Kabushiki Kaisha Toshiba
Yoshio Kubo
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Sn based alloy containing Sn—Ti compound, and precursor of...
Patent number
6,548,187
Issue date
Apr 15, 2003
Mitsubishi Denki Kabushiki Kaisha
Takayuki Nagai
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for producing Nb-Sn compound superconducting wire precursor...
Patent number
6,436,554
Issue date
Aug 20, 2002
Mitsubishi Denki Kabushiki Kaisha
Yoshio Kubo
B32 - LAYERED PRODUCTS
Information
Patent Grant
Nb-Sn compound superconducting wire precursor, method for producing...
Patent number
6,251,529
Issue date
Jun 26, 2001
Mitsubishi Denki Kabushiki Kaisha
Yoshio Kubo
B32 - LAYERED PRODUCTS
Information
Patent Grant
Method for manufacturing superconducting wire
Patent number
5,926,942
Issue date
Jul 27, 1999
Mitsubishi Denki Kabushiki Kaisha
Yoshio Kubo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Compound superconducting wire and method for manufacturing the same
Patent number
5,753,862
Issue date
May 19, 1998
Mitsubishi Denki Kabushiki Kaisha
Yoshio Kubo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for preparing superconducting wire
Patent number
5,501,746
Issue date
Mar 26, 1996
Mitsubishi Denki Kabushiki Kaisha
Kunihiko Egawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Plasma based method for production of superconductive oxide layers
Patent number
5,034,372
Issue date
Jul 23, 1991
Mitsubishi Denki Kabushiki Kaisha
Shigeru Matsuno
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Process for producing a PbMo.sub.6 S.sub.8 type compound supercondu...
Patent number
4,778,539
Issue date
Oct 18, 1988
Mitsubishi Denki Kabushiki Kaisha
Yoshio Kubo
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
IMAGE FORMATION UNIT AND IMAGE PROJECTION APPARATUS
Publication number
20170244940
Publication date
Aug 24, 2017
RICOH COMPANY, LTD.
Akihisa MIKAWA
G02 - OPTICS
Information
Patent Application
IMAGE PROJECTION DEVICE AND IMAGE PROJECTION METHOD
Publication number
20160154294
Publication date
Jun 2, 2016
Tetsuya FUJIOKA
G02 - OPTICS
Information
Patent Application
IMAGE PROJECTION APPARATUS
Publication number
20150241763
Publication date
Aug 27, 2015
Yukimi NISHI
G02 - OPTICS
Information
Patent Application
IMAGE PROJECTION APPARATUS, CONTROL METHOD, AND COMPUTER-READABLE S...
Publication number
20150029469
Publication date
Jan 29, 2015
RICOH COMPANY, LIMITED
Yoshio KUBO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE PROJECTION APPARATUS
Publication number
20140218693
Publication date
Aug 7, 2014
Yoshio KUBO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IMAGE PROJECTION APPARATUS, CONTROL METHOD, AND COMPUTER-READABLE S...
Publication number
20140104584
Publication date
Apr 17, 2014
Takahiro KADO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
IMAGE DISPLAYING APPARATUS
Publication number
20130044294
Publication date
Feb 21, 2013
Yasuyuki Shibayama
G02 - OPTICS
Information
Patent Application
Projection type image-displaying system, projection type image-disp...
Publication number
20070165193
Publication date
Jul 19, 2007
Kabushiki Kaisha Toshiba
Yoshio Kubo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Projection type image display apparatus and lighting circuit contro...
Publication number
20070097332
Publication date
May 3, 2007
Yoshio Kubo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Color wheel
Publication number
20070076311
Publication date
Apr 5, 2007
Kabushiki Kaisha Toshiba
Yoshio Kubo
G02 - OPTICS
Information
Patent Application
Light-source lamp
Publication number
20070064432
Publication date
Mar 22, 2007
Kabushiki Kaisha Toshiba
Yoshio Kubo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Nb-Sn phase superconducting wire and precursor wire thereof
Publication number
20070004597
Publication date
Jan 4, 2007
Mitsubishi Denki Kabushiki Kaisha
Yoshio Kubo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Precursor wire of Nb-Sn phase superconducting wire
Publication number
20060289836
Publication date
Dec 28, 2006
Mitsubishi Denki Kabushiki Kaisha
Kunihiko Egawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method of producing superconducting wire
Publication number
20050281700
Publication date
Dec 22, 2005
Mitsubishi Denki Kabushiki Kaisha
Kunihiko Egawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Projector, lamp lighting circuit and lamp lighting control method
Publication number
20030227765
Publication date
Dec 11, 2003
Kabushiki Kaisha Toshiba
Yoshio Kubo
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Sn based alloy containing Sn-Ti compound, method for manufacturing...
Publication number
20020153119
Publication date
Oct 24, 2002
Mitsubishi Denki Kabushiki Kaisha
Takayuki Nagai
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Method for producing Nb-Sn compound superconducting wire precursor...
Publication number
20020006527
Publication date
Jan 17, 2002
Yoshio Kubo
B32 - LAYERED PRODUCTS