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Ryusaku Takahashi
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Kanagawa-ken, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Screen assembly and rear-projection type graphic display device
Patent number
8,388,147
Issue date
Mar 5, 2013
JVC Kenwood Corporation
Toshitaka Murata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Projection type display device and image displaying method
Patent number
8,337,025
Issue date
Dec 25, 2012
JVC Kenwood Corporation
Manabu Kobayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Light source device, lighting device and image display device
Patent number
8,152,317
Issue date
Apr 10, 2012
Victor Company of Japan, Limited
Naoya Okamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Portion of display panel with projector
Patent number
D618268
Issue date
Jun 22, 2010
Victor Company of Japan, Limited
Ryusaku Takahashi
D16 - Photography and optical equipment
Information
Patent Grant
Projector screen
Patent number
D615576
Issue date
May 11, 2010
Victor Company of Japan, Limited
Ryusaku Takahashi
D16 - Photography and optical equipment
Information
Patent Grant
Light source device and image displaying apparatus using the same
Patent number
7,564,190
Issue date
Jul 21, 2009
Victor Company of Japan, Ltd.
Ryusaku Takahashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Projection display apparatus
Patent number
7,273,279
Issue date
Sep 25, 2007
Victor Company of Japan Limited
Manabu Kobayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image display apparatus
Patent number
7,239,454
Issue date
Jul 3, 2007
Victor Company of Japan, Limited
Manabu Kobayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image display apparatus
Patent number
7,095,568
Issue date
Aug 22, 2006
Victor Company of Japan, Limited
Manabu Kobayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image projection display apparatus
Patent number
6,398,365
Issue date
Jun 4, 2002
Victor Company of Japan, Limited
Ryusaku Takahashi
G02 - OPTICS
Information
Patent Grant
Illumination apparatus
Patent number
6,283,615
Issue date
Sep 4, 2001
Victor Company of Japan, Limited
Ryusaku Takahashi
G02 - OPTICS
Information
Patent Grant
Projection-type display apparatus having polarized beam splitters a...
Patent number
6,174,060
Issue date
Jan 16, 2001
Victor Company of Japan, Ltd.
Hirofumi Imaoka
G02 - OPTICS
Information
Patent Grant
Color filter and color picture display device using the same
Patent number
6,141,124
Issue date
Oct 31, 2000
Victor Company of Japan, Ltd.
Tetsuji Suzuki
G02 - OPTICS
Information
Patent Grant
Image projector and illumination device used for the image projector
Patent number
6,046,856
Issue date
Apr 4, 2000
Victor Company of Japan, Ltd.
Ryusaku Takahashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Illumination optical system, projection optical system and display...
Patent number
5,897,190
Issue date
Apr 27, 1999
Victor Company of Japan, Ltd.
Ryusaku Takahashi
G02 - OPTICS
Information
Patent Grant
Image processing system for display, recording and reproducing image
Patent number
5,565,882
Issue date
Oct 15, 1996
Victor Company of Japan, Ltd.
Itsuo Takanashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Display unit having a light-to-light conversion element
Patent number
5,502,490
Issue date
Mar 26, 1996
Victor Company of Japan, Ltd.
Itsuo Takanashi
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Color image display apparatus with reflection mirrors simultaneousl...
Patent number
5,486,878
Issue date
Jan 23, 1996
Victor Company of Japan, Ltd.
Ichiro Negishi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Display unit having a light-to-light conversion element
Patent number
5,463,468
Issue date
Oct 31, 1995
Victor Company of Japan, Ltd.
Itsuo Takanashi
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Light to light modulator with reading light of specified wavelength
Patent number
5,381,188
Issue date
Jan 10, 1995
Victor Company of Japan, Ltd.
Toshio Konno
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Optical system for display apparatus
Patent number
5,379,135
Issue date
Jan 3, 1995
Victor Company of Japan, Ltd.
Shintaro Nakagaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Projector lens system having three lens groups for image projector
Patent number
5,357,289
Issue date
Oct 18, 1994
Victor Company of Japan, Ltd.
Toshio Konno
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Display device
Patent number
5,327,229
Issue date
Jul 5, 1994
Victor Company of Japan, Ltd.
Toshio Konno
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Overhead projector with a spatial light modulator
Patent number
5,325,137
Issue date
Jun 28, 1994
Victor Company of Japan, Ltd.
Toshio Konno
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Tri-color separating and composing optical system
Patent number
5,305,146
Issue date
Apr 19, 1994
Victor Company of Japan, Ltd.
Shintaro Nakagaki
G02 - OPTICS
Information
Patent Grant
Light-to-light conversion method, display unit using the same, and...
Patent number
5,299,042
Issue date
Mar 29, 1994
Victor Company of Japan, Ltd.
Itsuo Takanashi
G02 - OPTICS
Information
Patent Grant
Driving method for photoconductive-type SLM
Patent number
5,294,992
Issue date
Mar 15, 1994
Victor Company of Japan, Ltd.
Toshio Konno
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Projection type display device having a mask for cutting off unnece...
Patent number
5,285,268
Issue date
Feb 8, 1994
Victor Company of Japan, Ltd.
Shintaro Nakagaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Spatial light modulator system
Patent number
5,264,951
Issue date
Nov 23, 1993
Victor Company of Japan, Ltd.
Itsuo Takanashi
G02 - OPTICS
Information
Patent Grant
Drive apparatus for optical element array
Patent number
5,250,939
Issue date
Oct 5, 1993
Victor Company of Japan, Ltd.
Itsuo Takanashi
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
Screen assembly and rear-projection type graphic display device
Publication number
20100165303
Publication date
Jul 1, 2010
Victor Company of Japan, Limited
Toshitaka Murata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Projection type display device and image displaying method
Publication number
20090290127
Publication date
Nov 26, 2009
Victor Company of Japan, Limited
Manabu Kobayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Light source device, lighting device and image display device
Publication number
20090168450
Publication date
Jul 2, 2009
Victor Company of Japan, Limited
Naoya Okamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Light source device, image display device, optical element and manu...
Publication number
20080123343
Publication date
May 29, 2008
Tatsuru Kobayashi
B24 - GRINDING POLISHING
Information
Patent Application
Light source device and image displaying apparatus using the same
Publication number
20070285192
Publication date
Dec 13, 2007
Ryusaku Takahashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Polarizing illuminant apparatus and image display apparatus
Publication number
20070024809
Publication date
Feb 1, 2007
Victor Company of Japan, Limited
Ryusaku Takahashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image display apparatus
Publication number
20070002466
Publication date
Jan 4, 2007
Victor Company of Japan, Limited
Manabu Kobayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Projection display apparatus
Publication number
20060256289
Publication date
Nov 16, 2006
Yoshio Fukuzaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Projection display apparatus
Publication number
20050243279
Publication date
Nov 3, 2005
Manabu Kobayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Image display apparatus
Publication number
20050179871
Publication date
Aug 18, 2005
Manabu Kobayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE