Giichi Shibuya

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Diffraction grating, light-receiving element, and optical head and...
- Patent number 7,672,201
- Issue date Mar 2, 2010
- TDK Corporation
- Giichi Shibuya
- G11 - INFORMATION STORAGE
Information Patent Grant
Light-receiving element, optical head, optical recording/reproducin...
- Patent number 7,447,139
- Issue date Nov 4, 2008
- TDK Corporation
- Giichi Shibuya
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for discriminating optical recording medium and method fo...
- Patent number 7,266,065
- Issue date Sep 4, 2007
- TDK Corporation
- Yasufumi Takasugi
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for discriminating optical recording medium and method fo...
- Patent number 7,200,084
- Issue date Apr 3, 2007
- TDK Corporation
- Takashi Namioka
- G11 - INFORMATION STORAGE
Information Patent Grant
Condenser with first and second photodetectors with three sections...
- Patent number 7,177,242
- Issue date Feb 13, 2007
- TDK Corporation
- Giichi Shibuya
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for discriminating optical recording medium and method fo...
- Patent number 7,158,459
- Issue date Jan 2, 2007
- TDK Corporation
- Toshikazu Hosobuchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Laser diode driving circuit and an optical head
- Patent number 7,120,180
- Issue date Oct 10, 2006
- TDK Corporation
- Giichi Shibuya
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for discriminating optical recording medium and method fo...
- Patent number 7,085,213
- Issue date Aug 1, 2006
- TDK Corporation
- Kazuo Fukunaga
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor laser driving circuit and optical head
- Patent number 6,970,487
- Issue date Nov 29, 2005
- TDK Corporation
- Giichi Shibuya
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical head, optical recording/reproducing apparatus and laser module
- Patent number 6,809,996
- Issue date Oct 26, 2004
- TDK Corporation
- Giichi Shibuya
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical head, lazer diode module and optical recording-reproducing...
- Patent number 6,724,699
- Issue date Apr 20, 2004
- TDK Corporation
- Giichi Shibuya
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording method and method for making information-...
- Patent number 5,590,099
- Issue date Dec 31, 1996
- TDK Corporation
- Giichi Shibuya
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical head circuit for minimizing the overshoot reversing...
- Patent number 5,477,509
- Issue date Dec 19, 1995
- TDK Corporation
- Giichi Shibuya
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording head comprising a step-down transformer
- Patent number 5,307,329
- Issue date Apr 26, 1994
- TDK Corporation
- Giichi Shibuya
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetooptical recording method
- Patent number 5,260,921
- Issue date Nov 9, 1993
- TDK Corporation
- Giichi Shibuya
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk identifying method, manufacture of cartridge-enclosed...
- Patent number 4,995,029
- Issue date Feb 19, 1991
- TDK Corporation
- Hideo Kobayashi
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Diffraction grating, light-receiving element, and optical head and...
- Publication number 20060193053
- Publication date Aug 31, 2006
- TDK Corporation
- Giichi Shibuya
- G02 - OPTICS
Information Patent Application
Method of detecting focus error signal of optical head and optical...
- Publication number 20060104173
- Publication date May 18, 2006
- TDK Corporation
- Giichi Shibuya
- G11 - INFORMATION STORAGE
Information Patent Application
Method of detecting focus error signal of optical head and optical...
- Publication number 20060092778
- Publication date May 4, 2006
- TDK Corporation
- Giichi Shibuya
- G11 - INFORMATION STORAGE
Information Patent Application
Light-receiving element, optical head, optical recording/reproducin...
- Publication number 20050237904
- Publication date Oct 27, 2005
- TDK Corporation
- Giichi Shibuya
- G11 - INFORMATION STORAGE
Information Patent Application
Device for discriminating optical recording medium and method for d...
- Publication number 20050237913
- Publication date Oct 27, 2005
- TDK Corporation
- Yasufumi Takasugi
- G11 - INFORMATION STORAGE
Information Patent Application
Optical head, optical recording/reproducing apparatus, and method o...
- Publication number 20050174922
- Publication date Aug 11, 2005
- TDK Corporation
- Giichi Shibuya
- G11 - INFORMATION STORAGE
Information Patent Application
Optical recording medium identifying device and optical recording m...
- Publication number 20050169141
- Publication date Aug 4, 2005
- TDK CORPORATION
- Takashi Namioka
- G11 - INFORMATION STORAGE
Information Patent Application
Optical recording medium judgment device and optical recording medi...
- Publication number 20050157621
- Publication date Jul 21, 2005
- TDK Corporation
- Toshikazu Hosobuchi
- G11 - INFORMATION STORAGE
Information Patent Application
Optical recording medium judgment device and optical recording medi...
- Publication number 20050152249
- Publication date Jul 14, 2005
- TDK Corporation
- Kazuo Fukunaga
- G11 - INFORMATION STORAGE
Information Patent Application
Optical head, LD module, optical recording-and-reproducing apparatu...
- Publication number 20050078575
- Publication date Apr 14, 2005
- TDK Corporation
- Giichi Shibuya
- G11 - INFORMATION STORAGE
Information Patent Application
Laser diode driving circuit and an optical head
- Publication number 20050047457
- Publication date Mar 3, 2005
- TDK Corporation
- Giichi Shibuya
- G11 - INFORMATION STORAGE
Information Patent Application
Light receiving device, light detecting device, and optical signal...
- Publication number 20040151087
- Publication date Aug 5, 2004
- TDK Corporation
- Giichi Shibuya
- G11 - INFORMATION STORAGE
Information Patent Application
Semiconductor laser driving circuit and optical head
- Publication number 20040091007
- Publication date May 13, 2004
- TDK Corporation
- Giichi Shibuya
- G11 - INFORMATION STORAGE
Information Patent Application
Optical head, optical recording/reproducing apparatus and laser module
- Publication number 20010053110
- Publication date Dec 20, 2001
- TDK Corporation
- Giichi Shibuya
- G11 - INFORMATION STORAGE
Information Patent Application
Optical head, lazer diode module and optical recording-reproducing...
- Publication number 20010033530
- Publication date Oct 25, 2001
- TDK Corporation
- Giichi Shibuya
- G11 - INFORMATION STORAGE

Giichi Shibuya

Person

Patents Grantslast 30 patents

Diffraction grating, light-receiving element, and optical head and...

Light-receiving element, optical head, optical recording/reproducin...

Apparatus for discriminating optical recording medium and method fo...

Apparatus for discriminating optical recording medium and method fo...

Condenser with first and second photodetectors with three sections...

Apparatus for discriminating optical recording medium and method fo...

Laser diode driving circuit and an optical head

Apparatus for discriminating optical recording medium and method fo...

Semiconductor laser driving circuit and optical head

Optical head, optical recording/reproducing apparatus and laser module

Optical head, lazer diode module and optical recording-reproducing...

Magneto-optical recording method and method for making information-...

Magneto-optical head circuit for minimizing the overshoot reversing...

Magneto-optical recording head comprising a step-down transformer

Magnetooptical recording method

Optical disk identifying method, manufacture of cartridge-enclosed...

Patents Applicationslast 30 patents

Diffraction grating, light-receiving element, and optical head and...

Method of detecting focus error signal of optical head and optical...

Method of detecting focus error signal of optical head and optical...

Light-receiving element, optical head, optical recording/reproducin...

Device for discriminating optical recording medium and method for d...

Optical head, optical recording/reproducing apparatus, and method o...

Optical recording medium identifying device and optical recording m...

Optical recording medium judgment device and optical recording medi...

Optical recording medium judgment device and optical recording medi...

Optical head, LD module, optical recording-and-reproducing apparatu...

Laser diode driving circuit and an optical head

Light receiving device, light detecting device, and optical signal...

Semiconductor laser driving circuit and optical head

Optical head, optical recording/reproducing apparatus and laser module

Optical head, lazer diode module and optical recording-reproducing...