Kyu Takada

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Die processing method, die, objective lens, and optical pick-up device
- Patent number 8,786,965
- Issue date Jul 22, 2014
- Konica Minolta Opto, INC
- Kenichi Ishii
- G11 - INFORMATION STORAGE
Information Patent Grant
Eccentricity measuring method
- Patent number 8,665,425
- Issue date Mar 4, 2014
- Konica Minolta Advanced Layers, Inc.
- Kazuyuki Ogura
- G01 - MEASURING TESTING
Information Patent Grant
Objective lens, optical pickup device, and optical disk drive
- Patent number 8,111,602
- Issue date Feb 7, 2012
- Konica Minolta Opto, INC
- Kyu Takada
- G11 - INFORMATION STORAGE
Information Patent Grant
Polarization conversion optical system and polarization conversion...
- Patent number 7,038,852
- Issue date May 2, 2006
- Minolta Co., Ltd.
- Koji Takahara
- G02 - OPTICS
Information Patent Grant
Objective lens system for optical pickups
- Patent number 6,922,289
- Issue date Jul 26, 2005
- Minolta Co., Ltd.
- Junji Hashimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical functional device and optical integrated device
- Patent number 6,853,760
- Issue date Feb 8, 2005
- Minolta Co., Ltd.
- Koujirou Sekine
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Diffractive optical element
- Patent number 6,822,796
- Issue date Nov 23, 2004
- Minolta Co. Ltd.
- Kyu Takada
- G02 - OPTICS
Information Patent Grant
Optical device for making light converge
- Patent number 6,791,755
- Issue date Sep 14, 2004
- Minolta Co., Ltd.
- Hiroshi Hatano
- G02 - OPTICS
Information Patent Grant
Optical scanner
- Patent number 6,785,029
- Issue date Aug 31, 2004
- Minolta Co., Ltd.
- Kyu Takada
- G02 - OPTICS
Information Patent Grant
Photonic crystal device
- Patent number 6,707,588
- Issue date Mar 16, 2004
- Minolta Co., Ltd.
- Kyu Takada
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Objective lens system for optical pickups
- Patent number 6,624,951
- Issue date Sep 23, 2003
- Minolta Co., Ltd.
- Junji Hashimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical module and manufacturing method thereof
- Patent number 6,466,708
- Issue date Oct 15, 2002
- Minolta Co., Ltd.
- Mitsuru Yokoyama
- B82 - NANO-TECHNOLOGY

Patents Applicationslast 30 patents

Information Patent Application
ECCENTRICITY MEASURING METHOD
- Publication number 20130027692
- Publication date Jan 31, 2013
- Kazuyuki Ogura
- G01 - MEASURING TESTING
Information Patent Application
Die Processing Method, Die, Objective Lens, and Optical Pick-Up Device
- Publication number 20120182628
- Publication date Jul 19, 2012
- Kenichi Ishii
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Objective Lens, Optical Pickup Device, and Optical Disk Drive
- Publication number 20110085433
- Publication date Apr 14, 2011
- Kyu Takada
- G02 - OPTICS
Information Patent Application
DIFFRACTIVE OPTICAL ELEMENT AND OPTICAL PICKUP APPARATUS
- Publication number 20080310284
- Publication date Dec 18, 2008
- Konica Minolta Opto, Inc.
- Kyu Takada
- G02 - OPTICS
Information Patent Application
Diffractive optical element and optical pickup apparatus
- Publication number 20050063282
- Publication date Mar 24, 2005
- KONICA MINOLTA OPTO, INC.
- Kyu Takada
- G02 - OPTICS
Information Patent Application
Optical pickup apparatus
- Publication number 20040213134
- Publication date Oct 28, 2004
- MINOLTA CO., LTD.
- Kyu Takada
- G11 - INFORMATION STORAGE
Information Patent Application
Objective lens system for optical pickups
- Publication number 20030218804
- Publication date Nov 27, 2003
- MINOLTA CO., LTD.
- Junji Hashimura
- G02 - OPTICS
Information Patent Application
Objective lens system for optical pickups
- Publication number 20030048544
- Publication date Mar 13, 2003
- Junji Hashimura
- G11 - INFORMATION STORAGE
Information Patent Application
Optical device for making light converge
- Publication number 20030039034
- Publication date Feb 27, 2003
- MINOLTA CO., LTD.
- Hiroshi Hatano
- G02 - OPTICS
Information Patent Application
Polarization conversion optical system and polarization conversion...
- Publication number 20020067546
- Publication date Jun 6, 2002
- Koji Takahara
- G02 - OPTICS
Information Patent Application
Diffractive optical element
- Publication number 20020063962
- Publication date May 30, 2002
- Kyu Takada
- G02 - OPTICS
Information Patent Application
Optical scanner
- Publication number 20020041419
- Publication date Apr 11, 2002
- Kyu Takada
- G02 - OPTICS
Information Patent Application
Photonic crystal device
- Publication number 20010033409
- Publication date Oct 25, 2001
- Kyu Takada
- B82 - NANO-TECHNOLOGY
Information Patent Application
Optical functional device and optical integrated device
- Publication number 20010026659
- Publication date Oct 4, 2001
- Koujirou Sekine
- B82 - NANO-TECHNOLOGY
Information Patent Application
Optical module and manufacturing method thereof
- Publication number 20010006567
- Publication date Jul 5, 2001
- Mitsuru Yokoyama
- B82 - NANO-TECHNOLOGY

Person

Patents Grantslast 30 patents

Die processing method, die, objective lens, and optical pick-up device

Eccentricity measuring method

Objective lens, optical pickup device, and optical disk drive

Polarization conversion optical system and polarization conversion...

Objective lens system for optical pickups

Optical functional device and optical integrated device

Diffractive optical element

Optical device for making light converge

Optical scanner

Photonic crystal device

Objective lens system for optical pickups

Optical module and manufacturing method thereof

Patents Applicationslast 30 patents

ECCENTRICITY MEASURING METHOD

Die Processing Method, Die, Objective Lens, and Optical Pick-Up Device

Objective Lens, Optical Pickup Device, and Optical Disk Drive

DIFFRACTIVE OPTICAL ELEMENT AND OPTICAL PICKUP APPARATUS

Diffractive optical element and optical pickup apparatus

Optical pickup apparatus

Objective lens system for optical pickups

Objective lens system for optical pickups

Optical device for making light converge

Polarization conversion optical system and polarization conversion...

Diffractive optical element

Optical scanner

Photonic crystal device

Optical functional device and optical integrated device

Optical module and manufacturing method thereof