Takesuke Maruyama

Person

Yokohama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Objective lens design method, lens, and optical system, optical hea...
- Patent number 7,733,578
- Issue date Jun 8, 2010
- Hitachi Maxell, Ltd.
- Yasuyuki Sugi
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective lens design method, lens, and optical system, optical hea...
- Patent number 7,414,796
- Issue date Aug 19, 2008
- Hitachi Maxell, Ltd.
- Yasuyuki Sugi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical unit and image display apparatus
- Patent number 7,327,520
- Issue date Feb 5, 2008
- Hitachi, Ltd.
- Satoshi Ohuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Liquid crystal projector, and projection lens unit, optical unit an...
- Patent number 7,152,978
- Issue date Dec 26, 2006
- Hitachi, Ltd., and Hitachi Video and Information Systems, Inc.
- Nobuhiko Konuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Optical unit and image display apparatus
- Patent number 7,106,518
- Issue date Sep 12, 2006
- Hiatchi, Ltd.
- Satoshi Ohuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Objective lens design method, lens, and optical system, optical hea...
- Patent number 6,965,482
- Issue date Nov 15, 2005
- Hitachi Maxell, Ltd.
- Yasuyuki Sugi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical unit and image display apparatus
- Patent number 6,963,453
- Issue date Nov 8, 2005
- Hitachi, Ltd.
- Satoshi Ohuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Objective lens design method, lens, and optical system, optical hea...
- Patent number 6,836,378
- Issue date Dec 28, 2004
- Hitachi Maxell, Ltd.
- Yasuyuki Sugi
- G11 - INFORMATION STORAGE
Information Patent Grant
Liquid crystal projector, and projection lens unit, optical unit an...
- Patent number 6,824,273
- Issue date Nov 30, 2004
- Hitachi, Ltd.
- Nobuhiko Konuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Liquid crystal projector, and projection lens unit, optical unit an...
- Patent number 6,783,245
- Issue date Aug 31, 2004
- Hitachi Ltd.
- Nobuhiko Konuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Array lens, lighting optical system, optical unit and imaging appar...
- Patent number 6,741,396
- Issue date May 25, 2004
- Hitachi, Ltd.
- Satoshi Ohuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Objective lens design method, lens, and optical system, optical hea...
- Patent number 6,678,096
- Issue date Jan 13, 2004
- Hitachi Maxell, Ltd.
- Yasuyuki Sugi
- G11 - INFORMATION STORAGE
Information Patent Grant
Liquid crystal display element and micro-lens arrangement and a dis...
- Patent number RE38175
- Issue date Jul 8, 2003
- Hitachi, Ltd.
- Yoshio Ariki
- 349 - Liquid crystal cells, elements and systems
Information Patent Grant
Array lens, lighting optical system, optical unit and imaging appar...
- Patent number 6,567,218
- Issue date May 20, 2003
- Hitachi, Ltd.
- Satoshi Ohuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Array lens, lighting optical system, optical unit and imaging appar...
- Patent number 6,545,812
- Issue date Apr 8, 2003
- Hitachi, Ltd.
- Satoshi Ohuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming unit, enlarging unit, optical parts, and image displa...
- Patent number 6,462,794
- Issue date Oct 8, 2002
- Hitachi, Ltd.
- Hiroki Yoshikawa
- G02 - OPTICS
Information Patent Grant
Array lens, lighting optical system, optical unit and imaging appar...
- Patent number 6,411,440
- Issue date Jun 25, 2002
- Hitachi, Ltd.
- Satoshi Ohuchi
- G02 - OPTICS
Information Patent Grant
Array lens, lighting optical system, optical unit and imaging appar...
- Patent number 6,392,809
- Issue date May 21, 2002
- Hitachi, Ltd.
- Satoshi Ohuchi
- G02 - OPTICS
Information Patent Grant
Projection type liquid crystal display device
- Patent number 6,351,295
- Issue date Feb 26, 2002
- Hitachi, Ltd.
- Takashi Kakuda
- G02 - OPTICS
Information Patent Grant
Projection type liquid crystal display device
- Patent number 6,307,601
- Issue date Oct 23, 2001
- Hitachi, Ltd.
- Takashi Kakuda
- G02 - OPTICS
Information Patent Grant
Liquid crystal projector, and projection lens unit, optical unit an...
- Patent number 6,290,360
- Issue date Sep 18, 2001
- Hitachi, Ltd.
- Nobuhiko Konuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Array lens, lighting optical system, optical unit and imaging appar...
- Patent number 6,201,645
- Issue date Mar 13, 2001
- Hitachi, Ltd.
- Satoshi Ohuchi
- G02 - OPTICS
Information Patent Grant
Video camera
- Patent number 5,748,238
- Issue date May 5, 1998
- Hitachi, Ltd.
- Manabu Wakabayashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Liquid crystal display element and micro-lens arrangement and a dis...
- Patent number 5,684,548
- Issue date Nov 4, 1997
- Hitachi, Ltd.
- Yoshio Ariki
- G02 - OPTICS
Information Patent Grant
Video camera/VTR and camera station with opto-electronic link betwe...
- Patent number 5,565,919
- Issue date Oct 15, 1996
- Hitachi, Ltd.
- Manabu Wakabayashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Illumination unit for liquid crystal projection display apparatus a...
- Patent number 5,491,525
- Issue date Feb 13, 1996
- Hitachi, Ltd.
- Futoshi Yamasaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Liquid crystal display with pixel shape same as image of light sour...
- Patent number 5,455,694
- Issue date Oct 3, 1995
- Hitachi, Ltd.
- Yoshio Ariki
- G02 - OPTICS
Information Patent Grant
Zoom lens system
- Patent number 5,048,939
- Issue date Sep 17, 1991
- Hitachi, Ltd.
- Masahiko Yatsu
- G02 - OPTICS
Information Patent Grant
Light scanning system
- Patent number 4,941,719
- Issue date Jul 17, 1990
- Hitachi, Ltd.
- Takanori Hisada
- G02 - OPTICS
Information Patent Grant
Automatic focusing system
- Patent number 4,920,420
- Issue date Apr 24, 1990
- Hitachi, Ltd.
- Kenji Sano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OBJECTIVE LENS DESIGN METHOD, LENS, AND OPTICAL SYSTEM, OPTICAL HEA...
- Publication number 20080279083
- Publication date Nov 13, 2008
- Hitachi Maxell, Ltd.
- Yasuyuki Sugi
- G02 - OPTICS
Information Patent Application
Objective lens optical system
- Publication number 20080106997
- Publication date May 8, 2008
- Hitachi Maxell, Ltd.
- Tomonori Kanai
- G02 - OPTICS
Information Patent Application
Optical unit and image display apparatus
- Publication number 20060256443
- Publication date Nov 16, 2006
- Hitachi, Ltd.
- Satoshi Ohuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical unit and image display apparatus
- Publication number 20060012883
- Publication date Jan 19, 2006
- Hitachi, Ltd.
- Satoshi Ohuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Liquid crystal projector, and projection lens unit, optical unit an...
- Publication number 20050083490
- Publication date Apr 21, 2005
- Hitachi, Ltd.
- Nobuhiko Konuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Obective lens design method, lens, and optical system, optical head...
- Publication number 20050063284
- Publication date Mar 24, 2005
- Hitachi Maxell, Ltd.
- Yasuyuki Sugi
- G02 - OPTICS
Information Patent Application
Objective lens design method, lens, and optical system, optical hea...
- Publication number 20040257673
- Publication date Dec 23, 2004
- Hitachi Maxell, Ltd.
- Yasuyuki Sugi
- G02 - OPTICS
Information Patent Application
Optical unit and image display apparatus
- Publication number 20040190147
- Publication date Sep 30, 2004
- Hitachi, Ltd.
- Satoshi Ohuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Objective lens design method, lens and optical system, optical head...
- Publication number 20040062181
- Publication date Apr 1, 2004
- Hitachi Maxell, Ltd.
- Yasuyuki Sugi
- G02 - OPTICS
Information Patent Application
Liquid crystal projector, and projection lens unit, optical unit an...
- Publication number 20030206276
- Publication date Nov 6, 2003
- Hitachi, Ltd.
- Nobuhiko Konuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Array lens, lighting optical system, optical unit and imaging appar...
- Publication number 20030202250
- Publication date Oct 30, 2003
- Hitachi, Ltd.
- Satoshi Ohuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Objective lens design method, lens, and optical system, optical hea...
- Publication number 20030142414
- Publication date Jul 31, 2003
- Hitachi Maxell, Ltd.
- Yasuyuki Sugi
- G02 - OPTICS
Information Patent Application
Array lens, lighting optical system, optical unit and imaging appar...
- Publication number 20020154412
- Publication date Oct 24, 2002
- Hitachi, Ltd.
- Satoshi Ohuchi
- G02 - OPTICS
Information Patent Application
Array lens, lighting optical system, optical unit and imaging appar...
- Publication number 20020114079
- Publication date Aug 22, 2002
- Satoshi Ohuchi
- G02 - OPTICS
Information Patent Application
Array lens, lighting optical system, optical unit and imaging appar...
- Publication number 20010010596
- Publication date Aug 2, 2001
- Hitachi, Ltd.
- Satoshi Ohuchi
- G02 - OPTICS
Information Patent Application
Liquid crystal projector, and projection lens unit, optical unit an...
- Publication number 20010008439
- Publication date Jul 19, 2001
- Hitachi, Ltd.
- Nobuhiko Konuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Array lens, lighting optical system, optical unit and imaging appar...
- Publication number 20010002154
- Publication date May 31, 2001
- Hitachi, Ltd.
- Satoshi Ohuchi
- G02 - OPTICS
Information Patent Application
Projection type liquid crystal display device
- Publication number 20010000056
- Publication date Mar 22, 2001
- Takashi Kakuda
- G02 - OPTICS

Takesuke Maruyama

Person

Patents Grantslast 30 patents

Objective lens design method, lens, and optical system, optical hea...

Objective lens design method, lens, and optical system, optical hea...

Optical unit and image display apparatus

Liquid crystal projector, and projection lens unit, optical unit an...

Optical unit and image display apparatus

Objective lens design method, lens, and optical system, optical hea...

Optical unit and image display apparatus

Objective lens design method, lens, and optical system, optical hea...

Liquid crystal projector, and projection lens unit, optical unit an...

Liquid crystal projector, and projection lens unit, optical unit an...

Array lens, lighting optical system, optical unit and imaging appar...

Objective lens design method, lens, and optical system, optical hea...

Liquid crystal display element and micro-lens arrangement and a dis...

Array lens, lighting optical system, optical unit and imaging appar...

Array lens, lighting optical system, optical unit and imaging appar...

Image forming unit, enlarging unit, optical parts, and image displa...

Array lens, lighting optical system, optical unit and imaging appar...

Array lens, lighting optical system, optical unit and imaging appar...

Projection type liquid crystal display device

Projection type liquid crystal display device

Liquid crystal projector, and projection lens unit, optical unit an...

Array lens, lighting optical system, optical unit and imaging appar...

Video camera

Liquid crystal display element and micro-lens arrangement and a dis...

Video camera/VTR and camera station with opto-electronic link betwe...

Illumination unit for liquid crystal projection display apparatus a...

Liquid crystal display with pixel shape same as image of light sour...

Zoom lens system

Light scanning system

Automatic focusing system

Patents Applicationslast 30 patents

OBJECTIVE LENS DESIGN METHOD, LENS, AND OPTICAL SYSTEM, OPTICAL HEA...

Objective lens optical system

Optical unit and image display apparatus

Optical unit and image display apparatus

Liquid crystal projector, and projection lens unit, optical unit an...

Obective lens design method, lens, and optical system, optical head...

Objective lens design method, lens, and optical system, optical hea...

Optical unit and image display apparatus

Objective lens design method, lens and optical system, optical head...

Liquid crystal projector, and projection lens unit, optical unit an...

Array lens, lighting optical system, optical unit and imaging appar...

Objective lens design method, lens, and optical system, optical hea...

Array lens, lighting optical system, optical unit and imaging appar...

Array lens, lighting optical system, optical unit and imaging appar...

Array lens, lighting optical system, optical unit and imaging appar...

Liquid crystal projector, and projection lens unit, optical unit an...

Array lens, lighting optical system, optical unit and imaging appar...

Projection type liquid crystal display device