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Yoshiharu Ooi
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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical filter and imaging device
Patent number
10,746,908
Issue date
Aug 18, 2020
AGC Inc.
Yoshiharu Ooi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Light selective transmission type glass and laminated substrate
Patent number
10,683,233
Issue date
Jun 16, 2020
AGC Inc.
Shuhei Nomura
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Near-infrared cut filter and solid-state imaging device
Patent number
10,310,150
Issue date
Jun 4, 2019
AGC Inc.
Takashi Sugiyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical filter and imaging device
Patent number
10,228,500
Issue date
Mar 12, 2019
AGC Inc.
Yoshiharu Ooi
G02 - OPTICS
Information
Patent Grant
Liquid crystal alignment film, process for its production, optical...
Patent number
8,565,058
Issue date
Oct 22, 2013
Asahi Glass Company, Limited
Kazuhiko Shiono
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Optical head apparatus
Patent number
7,835,252
Issue date
Nov 16, 2010
Asahi Glass Company, Limited
Koichi Murata
G11 - INFORMATION STORAGE
Information
Patent Grant
Liquid crystal lens element and optical head device
Patent number
7,773,489
Issue date
Aug 10, 2010
Asahi Glass Company, Limited
Kouichi Murata
G11 - INFORMATION STORAGE
Information
Patent Grant
Multi-layer diffraction type polarizer and liquid crystal element
Patent number
7,764,354
Issue date
Jul 27, 2010
Asahi Glass Company, Limited
Yoshiharu Ooi
G02 - OPTICS
Information
Patent Grant
Liquid crystal lens element optical head device
Patent number
7,738,344
Issue date
Jun 15, 2010
Asahi Glass Company, Limited
Yoshiharu Ooi
G11 - INFORMATION STORAGE
Information
Patent Grant
Polarizing diffraction element and optical head device
Patent number
7,738,346
Issue date
Jun 15, 2010
Asahi Glass Company, Limited
Yoshiharu Ooi
G11 - INFORMATION STORAGE
Information
Patent Grant
Liquid crystal lens element and optical head device
Patent number
7,719,657
Issue date
May 18, 2010
Asahi Glass Company, Limited
Yoshiharu Ooi
G11 - INFORMATION STORAGE
Information
Patent Grant
Liquid crystal diffraction lens element and optical head device
Patent number
7,710,536
Issue date
May 4, 2010
Asahi Glass Company, Limited
Mitsuo Osawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Phase correction element and optical head device
Patent number
7,688,700
Issue date
Mar 30, 2010
Asahi Glass Company, Limited
Yoshiharu Ooi
G11 - INFORMATION STORAGE
Information
Patent Grant
Phase plate and an optical data recording/reproducing device
Patent number
7,564,504
Issue date
Jul 21, 2009
Asahi Glass Company, Limited
Yoshiharu Ooi
G11 - INFORMATION STORAGE
Information
Patent Grant
Double-wavelength light source unit and optical head device having...
Patent number
7,548,359
Issue date
Jun 16, 2009
Asahi Glass Company, Limited
Ryota Murakami
G11 - INFORMATION STORAGE
Information
Patent Grant
Diffraction element
Patent number
7,430,076
Issue date
Sep 30, 2008
Asahi Glass Company, Limited
Hiromasa Sato
G11 - INFORMATION STORAGE
Information
Patent Grant
Liquid crystal lens element and optical head device
Patent number
7,388,822
Issue date
Jun 17, 2008
Asahi Glass Company, Limited
Yoshiharu Ooi
G11 - INFORMATION STORAGE
Information
Patent Grant
Multi-layer diffraction type polarizer and liquid crystal element
Patent number
7,079,202
Issue date
Jul 18, 2006
Asahi Glass Company, Limited
Yoshiharu Ooi
G02 - OPTICS
Information
Patent Grant
Retarder and optical head device installing the same
Patent number
6,917,576
Issue date
Jul 12, 2005
Asahi Glass Company, Limited
Takehiko Nishiyama
G11 - INFORMATION STORAGE
Information
Patent Grant
Wavelength-selective diffraction element and an optical head device
Patent number
6,891,147
Issue date
May 10, 2005
Asahi Glass Company, Limited
Ryuichiro Goto
G11 - INFORMATION STORAGE
Information
Patent Grant
LCD device including an illumination device having a polarized ligh...
Patent number
RE38305
Issue date
Nov 11, 2003
Asahi Glass Company Ltd.
Tomoki Gunjima
349 - Liquid crystal cells, elements and systems
Information
Patent Grant
Phase shifter and optical head device mounted with the same
Patent number
6,580,674
Issue date
Jun 17, 2003
Asahi Glass Company, Limited
Takehiko Nishiyama
G11 - INFORMATION STORAGE
Information
Patent Grant
LCD device including an illumination device having a polarized ligh...
Patent number
RE37377
Issue date
Sep 18, 2001
Asahi Glass Company, Ltd.
Tomoki Gunjima
349 - Liquid crystal cells, elements and systems
Information
Patent Grant
Light source apparatus using a cone-shaped element and an applied a...
Patent number
5,844,638
Issue date
Dec 1, 1998
AG Technology Co., Ltd.
Yoshiharu Ooi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Display device with optical member having two parts in overlay rela...
Patent number
5,838,404
Issue date
Nov 17, 1998
Asahi Glass Company Ltd.
Masao Ozeki
G02 - OPTICS
Information
Patent Grant
Projection type display apparatus
Patent number
5,798,805
Issue date
Aug 25, 1998
AG Technology Co., Ltd.
Yoshiharu Ooi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Projection type color liquid crystal optical apparatus
Patent number
5,754,260
Issue date
May 19, 1998
AG Technology Co., Ltd.
Yoshiharu Ooi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Light source apparatus using a cone-like material and an applied ap...
Patent number
5,659,409
Issue date
Aug 19, 1997
AG Technology Co., Ltd.
Yoshiharu Ooi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Projection type color liquid crystal optical apparatus
Patent number
5,648,860
Issue date
Jul 15, 1997
AG Technology Co., Ltd.
Yoshiharu Ooi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
LCD device including an illumination device having a polarized ligh...
Patent number
5,587,816
Issue date
Dec 24, 1996
Asahi Glass Company Ltd.
Tomoki Gunjima
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL FILTER AND IMAGING DEVICE
Publication number
20180095203
Publication date
Apr 5, 2018
Asahi Glass Company, Limited
Yoshiharu Ooi
G02 - OPTICS
Information
Patent Application
LIGHT SELECTIVE TRANSMISSION TYPE GLASS AND LAMINATED SUBSTRATE
Publication number
20170355637
Publication date
Dec 14, 2017
Asahi Glass Company, Limited
Shuhei NOMURA
G02 - OPTICS
Information
Patent Application
OPTICAL FILTER AND IMAGING DEVICE
Publication number
20170192144
Publication date
Jul 6, 2017
Asahi Glass Company, Limited
Yoshiharu OOI
G02 - OPTICS
Information
Patent Application
NEAR-INFRARED CUT FILTER AND SOLID-STATE IMAGING DEVICE
Publication number
20170017023
Publication date
Jan 19, 2017
Asahi Glass Company, Limited
Takashi SUGIYAMA
G02 - OPTICS
Information
Patent Application
LIQUID CRYSTAL ALIGNMENT FILM, PROCESS FOR ITS PRODUCTION, OPTICAL...
Publication number
20130163399
Publication date
Jun 27, 2013
Asahi Glass Company, Limited
Kazuhiko SHIONO
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
PROJECTION DISPLAY DEVICE
Publication number
20120075539
Publication date
Mar 29, 2012
Asahi Glass Company, Limited
Teppei KONISHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PHASE CORRECTION ELEMENT AND OPTICAL HEAD DEVICE
Publication number
20100020671
Publication date
Jan 28, 2010
ASAHI GLASS COMPANY LIMITED
Yoshiharu Ooi
G02 - OPTICS
Information
Patent Application
OPTICAL HEAD DEVICE
Publication number
20090016191
Publication date
Jan 15, 2009
Asahi Glass Company, Limited
Koichi MURATA
G11 - INFORMATION STORAGE
Information
Patent Application
DIFFRACTION ELEMENT
Publication number
20080310024
Publication date
Dec 18, 2008
ASAHI GLASS COMPANY LIMITED
Hiromasa Sato
G02 - OPTICS
Information
Patent Application
OPTICAL HEAD APPARATUS
Publication number
20080253265
Publication date
Oct 16, 2008
Asahi Glass Company, Limited
Koichi Murata
G02 - OPTICS
Information
Patent Application
LIQUID CRYSTAL DIFFRACTION LENS ELEMENT AND OPTICAL HEAD DEVICE
Publication number
20070182915
Publication date
Aug 9, 2007
Asahi Glass Co., LTD.
Mitsuo Osawa
G02 - OPTICS
Information
Patent Application
LIQUID CRYSTAL LENS ELEMENT AND OPTICAL HEAD DEVICE
Publication number
20070183293
Publication date
Aug 9, 2007
Asahi Glass Co., LTD.
Kouichi MURATA
G02 - OPTICS
Information
Patent Application
Liquid crystal lens element and optical head device
Publication number
20070146625
Publication date
Jun 28, 2007
ASAHI GLASS COMPANY LIMITED
Yoshiharu Ooi
G02 - OPTICS
Information
Patent Application
LIQUID CRYSTAL LENS ELEMENT OPTICAL HEAD DEVICE
Publication number
20070127348
Publication date
Jun 7, 2007
ASAHI GLASS COMPANY LIMITED
Yoshiharu Ooi
G02 - OPTICS
Information
Patent Application
Liquid crystal lens element and optical head device
Publication number
20060280100
Publication date
Dec 14, 2006
ASAHI GLASS COMPANY LIMITED
Yoshiharu Ooi
G02 - OPTICS
Information
Patent Application
Polarizing diffraction element and optical head device
Publication number
20060239171
Publication date
Oct 26, 2006
ASAHI GLASS COMPANY LIMITED
Yoshiharu Ooi
G02 - OPTICS
Information
Patent Application
Optical element employing liquid crystal having optical isotropy
Publication number
20060227283
Publication date
Oct 12, 2006
ASAHI GLASS COMPANY LIMITED
Yoshiharu Ooi
G02 - OPTICS
Information
Patent Application
Multi-layer diffraction type polarizer and liquid crystal element
Publication number
20060103778
Publication date
May 18, 2006
ASAHI GLASS COMPANY LIMITED
Yoshiharu Ooi
G02 - OPTICS
Information
Patent Application
Phase correction element and optical head device
Publication number
20050226122
Publication date
Oct 13, 2005
ASAHI GLASS COMPANY LIMITED
Yoshiharu Ooi
G02 - OPTICS
Information
Patent Application
Double-wavelength light source unit and optical head device
Publication number
20050213444
Publication date
Sep 29, 2005
ASAHI GLASS COMPANY, LIMITED
Ryota Murakami
G11 - INFORMATION STORAGE
Information
Patent Application
Phase plate and an optical data recording/reproducing device
Publication number
20050213212
Publication date
Sep 29, 2005
ASAHI GLASS COMPANY, LIMITED
Yoshiharu Ooi
G02 - OPTICS
Information
Patent Application
Diffraction element
Publication number
20040169929
Publication date
Sep 2, 2004
ASAHI GLASS COMPANY LIMITED
Hiromasa Sato
G02 - OPTICS
Information
Patent Application
Multi-layer diffraction type polarizer and liquid crystal element
Publication number
20040165126
Publication date
Aug 26, 2004
ASAHI GLASS COMPANY LIMITED
Yoshiharu Ooi
G02 - OPTICS
Information
Patent Application
Wavelength-selective diffraction element and an optical head device
Publication number
20040094699
Publication date
May 20, 2004
ASAHI GLASS COMPANY LIMITED
Ryuichiro Goto
G02 - OPTICS
Information
Patent Application
Retarder and optical head device installing the same
Publication number
20030174631
Publication date
Sep 18, 2003
ASAHI GLASS COMPANY, LIMITED
Takehiko Nishiyama
G02 - OPTICS
Information
Patent Application
Retarder and optical head device installing the same
Publication number
20030123371
Publication date
Jul 3, 2003
ASAHI GLASS COMPANY, LIMITED
Takehiko Nishiyama
G02 - OPTICS