Yuzuru Tanabe

Person

Chiyoda-ku, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for producing glass substrate for magnetic disk, and magneti...
- Patent number 7,857,680
- Issue date Dec 28, 2010
- Asahi Glass Company, Limited
- Katsuaki Miyatani
- 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
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
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
Polymerizable liquid crystal composition, optical anisotropic mater...
- Patent number 7,534,370
- Issue date May 19, 2009
- Asahi Glass Company, Limited
- Kara Yoshida
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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
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
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
Optical head, method of manufacturing the same, and diffraction ele...
- Patent number 6,304,312
- Issue date Oct 16, 2001
- Asahi Glass Company Ltd.
- Yuzuru Tanabe
- G02 - OPTICS
Information Patent Grant
Optical head device including an optically anisotropic diffraction...
- Patent number 6,271,966
- Issue date Aug 7, 2001
- Asahi Glass Company Ltd.
- Yuzuru Tanabe
- G02 - OPTICS
Information Patent Grant
Liquid-crystal composition and polymeric liquid crystal obtained by...
- Patent number 6,180,028
- Issue date Jan 30, 2001
- Asahi Glass Company Ltd.
- Hiroki Hotaka
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Optical head device including an optically anisotropic diffraction...
- Patent number 6,118,586
- Issue date Sep 12, 2000
- Asahi Glass Company Ltd.
- Yuzuru Tanabe
- G02 - OPTICS
Information Patent Grant
Harmonic wave generator, a method of producing a harmonic wave and...
- Patent number 5,274,652
- Issue date Dec 28, 1993
- Asahi Glass Company Ltd.
- Tadanori Senoh
- G02 - OPTICS
Information Patent Grant
Optical information readout apparatus
- Patent number 5,119,361
- Issue date Jun 2, 1992
- Asahi Glass Company Ltd.
- Yuzuru Tanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Temperature-measuring method and distributed optical fiber temperat...
- Patent number 5,102,232
- Issue date Apr 7, 1992
- Asahi Glass Company Ltd.
- Yuzuru Tanabe
- G01 - MEASURING TESTING
Information Patent Grant
Temperature-measuring method and distributed optical fiber temperat...
- Patent number 5,054,935
- Issue date Oct 8, 1991
- Asahi Glass Company, Ltd.
- Yuzuru Tanabe
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
POLYMERIZABLE LIQUID CRYSTAL COMPOSITION, OPTICAL ANISOTROPIC MATER...
- Publication number 20080048149
- Publication date Feb 28, 2008
- ASAHI GLASS COMPANY, LIMITED
- Kara YOSHIDA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR PRODUCING GLASS SUBSTRATE FOR MAGNETIC DISK, AND MAGNETI...
- Publication number 20070251270
- Publication date Nov 1, 2007
- Asahi Glass Company, Limited
- Katsuaki Miyatani
- G11 - INFORMATION STORAGE
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
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
Information Patent Application
Optical head, method of manufacturing the same and diffraction elem...
- Publication number 20010030732
- Publication date Oct 18, 2001
- ASAHI GLASS COMPANY, LTD.
- Yuzuru Tanabe
- G02 - OPTICS

Yuzuru Tanabe

Person

Patents Grantslast 30 patents

Method for producing glass substrate for magnetic disk, and magneti...

Liquid crystal lens element and optical head device

Liquid crystal lens element optical head device

Liquid crystal lens element and optical head device

Polymerizable liquid crystal composition, optical anisotropic mater...

Liquid crystal lens element and optical head device

Retarder and optical head device installing the same

Phase shifter and optical head device mounted with the same

Optical head, method of manufacturing the same, and diffraction ele...

Optical head device including an optically anisotropic diffraction...

Liquid-crystal composition and polymeric liquid crystal obtained by...

Optical head device including an optically anisotropic diffraction...

Harmonic wave generator, a method of producing a harmonic wave and...

Optical information readout apparatus

Temperature-measuring method and distributed optical fiber temperat...

Temperature-measuring method and distributed optical fiber temperat...

Patents Applicationslast 30 patents

POLYMERIZABLE LIQUID CRYSTAL COMPOSITION, OPTICAL ANISOTROPIC MATER...

METHOD FOR PRODUCING GLASS SUBSTRATE FOR MAGNETIC DISK, AND MAGNETI...

LIQUID CRYSTAL LENS ELEMENT AND OPTICAL HEAD DEVICE

Liquid crystal lens element and optical head device

LIQUID CRYSTAL LENS ELEMENT OPTICAL HEAD DEVICE

Liquid crystal lens element and optical head device

Retarder and optical head device installing the same

Retarder and optical head device installing the same

Optical head, method of manufacturing the same and diffraction elem...