Kazuyoshi Ishii

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Ionizing radiation detection apparatus
- Patent number 9,885,675
- Issue date Feb 6, 2018
- Canon Kabushiki Kaisha
- Ikuo Watanabe
- G01 - MEASURING TESTING
Information Patent Grant
Optical disc apparatus employing an objective lens having a high nu...
- Patent number 7,855,939
- Issue date Dec 21, 2010
- Canon Kabushiki Kaisha
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup and optical disk drive apparatus
- Patent number 7,839,730
- Issue date Nov 23, 2010
- Canon Kabushiki Kaisha
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup and optical disk device
- Patent number 7,804,745
- Issue date Sep 28, 2010
- Canon Kabushiki Kaisha
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE
Information Patent Grant
Holographic information recording-reproducing process and apparatus...
- Patent number 7,796,313
- Issue date Sep 14, 2010
- Canon Kabushiki Kaisha
- Haruhiko Horiguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk apparatus employing an objective lens having a high nu...
- Patent number 7,729,213
- Issue date Jun 1, 2010
- Canon Kabushiki Kaisha
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pick-up and optical disk device
- Patent number 7,570,546
- Issue date Aug 4, 2009
- Canon Kabushiki Kaisha
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk apparatus with protection member for objective lens
- Patent number 7,515,356
- Issue date Apr 7, 2009
- Canon Kabushiki Kaisha
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical head support structures
- Patent number 7,333,402
- Issue date Feb 19, 2008
- Canon Kabushiki Kaisha
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording apparatus having a magnetic head with a r...
- Patent number 6,909,673
- Issue date Jun 21, 2005
- Canon Kabushiki Kaisha
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic domain wall displacement type magneto-optical medium and m...
- Patent number 6,805,901
- Issue date Oct 19, 2004
- Canon Kabushiki Kaisha
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for recording magnetic domain having an arc sh...
- Patent number 6,614,731
- Issue date Sep 2, 2003
- Canon Kabushiki Kaisha
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE
Information Patent Grant
High speed magnetic coil for magneto-optical head
- Patent number 6,584,045
- Issue date Jun 24, 2003
- Canon Kabushiki Kaisha
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE
Information Patent Grant
High speed magnetic coil for magneto-optical head
- Patent number 6,529,448
- Issue date Mar 4, 2003
- Canon Kabushiki Kaisha
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head drive circuit including paired auxiliary coils, paire...
- Patent number 6,477,119
- Issue date Nov 5, 2002
- Canon Kabushiki Kaisha
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE
Information Patent Grant
Displacement of magnetic head and optical head in magneto-optical r...
- Patent number 6,466,523
- Issue date Oct 15, 2002
- Canon Kabushiki Kaisha
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head for magneto-optic recording, and magneto-optic record...
- Patent number 6,314,060
- Issue date Nov 6, 2001
- Canon Kabushiki Kaisha
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical reproducing method using a magnified magnetic domain
- Patent number 6,298,015
- Issue date Oct 2, 2001
- Canon Kabushiki Kaisha
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE
Information Patent Grant
Signal reproducing apparatus utilizing displacement of magnetic wall
- Patent number 6,041,024
- Issue date Mar 21, 2000
- Canon Kabushiki Kaisha
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head drive device, and magneto-optical recording apparatus...
- Patent number 5,991,242
- Issue date Nov 23, 1999
- Canon Kabushiki Kaisha
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetooptical recording head for a recording apparatus including a...
- Patent number 5,986,976
- Issue date Nov 16, 1999
- Canon Kabushiki Kaisha
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head for magnetooptical recording apparatus
- Patent number 5,703,839
- Issue date Dec 30, 1997
- Canon Kabushiki Kaisha
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head for magneto-optical recording and magneto-optical rec...
- Patent number 5,689,478
- Issue date Nov 18, 1997
- Canon Kabushiki Kaisha
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for recording information on magnetooptical re...
- Patent number 5,687,141
- Issue date Nov 11, 1997
- Canon Kabushiki Kaisha
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head driving device and magnetooptical recording apparatus
- Patent number 5,661,612
- Issue date Aug 26, 1997
- Canon Kabushiki Kaisha
- Koyo Hasegawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording apparartus including a magnetic head havi...
- Patent number 5,627,804
- Issue date May 6, 1997
- Canon Kabushiki Kaisha
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head used in magnetooptical recording
- Patent number 5,615,183
- Issue date Mar 25, 1997
- Canon Kabushiki Kaisha
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetooptical recording apparatus including a control circuit for...
- Patent number 5,586,091
- Issue date Dec 17, 1996
- Canon Kabushiki Kaisha
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head driving circuit for controlling switching operations...
- Patent number 5,579,293
- Issue date Nov 26, 1996
- Canon Kabushiki Kaisha
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head current control circuit for use in a magnetic head dr...
- Patent number 5,574,702
- Issue date Nov 12, 1996
- Canon Kabushiki Kaisha
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
IONIZING RADIATION DETECTION APPARATUS
- Publication number 20160341676
- Publication date Nov 24, 2016
- Canon Kabushiki Kaisha
- Ikuo Watanabe
- G01 - MEASURING TESTING
Information Patent Application
RADIATION DETECTION APPARATUS
- Publication number 20160341833
- Publication date Nov 24, 2016
- Canon Kabushiki Kaisha
- Ikuo Watanabe
- G01 - MEASURING TESTING
Information Patent Application
CHARGED PARTICLE DETECTING DEVICE AND GAMMA CAMERA
- Publication number 20160291174
- Publication date Oct 6, 2016
- Kazuyoshi Ishii
- G01 - MEASURING TESTING
Information Patent Application
Optical Disc Apparatus Employing an Objective Lens Having a High Nu...
- Publication number 20100214886
- Publication date Aug 26, 2010
- Canon Kabushiki Kaisha
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL PICKUP AND OPTICAL DISK DRIVE APPARATUS
- Publication number 20090073855
- Publication date Mar 19, 2009
- Canon Kabushiki Kaisha
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE
Information Patent Application
HOLOGRAPHIC INFORMATION RECORDING-REPRODUCING PROCESS AND APPARATUS...
- Publication number 20080084593
- Publication date Apr 10, 2008
- Canon Kabushiki Kaisha
- Haruhiko Horiguchi
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL PICKUP AND OPTICAL DISK DEVICE
- Publication number 20080013413
- Publication date Jan 17, 2008
- Canon Kabushiki Kaisha
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disk apparatus with protection member for objective lens
- Publication number 20070047423
- Publication date Mar 1, 2007
- Canon Kabushiki Kaisha
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE
Information Patent Application
Optical pick-up and optical disk device
- Publication number 20060233090
- Publication date Oct 19, 2006
- Canon Kabushiki Kaisha
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disk apparatus employing high-NA objective lens
- Publication number 20050281148
- Publication date Dec 22, 2005
- Canon Kabushiki Kaisha
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head support mechanism
- Publication number 20040151079
- Publication date Aug 5, 2004
- Canon Kabushiki Kaisha
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE
Information Patent Application
Magneto-optical recording apparatus provided with magnetic head
- Publication number 20030161220
- Publication date Aug 28, 2003
- Canon Kabushiki Kaisha
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head for magneto-optical recording and magneto-optical rec...
- Publication number 20030007428
- Publication date Jan 9, 2003
- Canon Kabushiki Kaisha
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE
Information Patent Application
Information recording method, apparatus and information reproducing...
- Publication number 20010048644
- Publication date Dec 6, 2001
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic domain wall displacement type magneto-optical medium and m...
- Publication number 20010018107
- Publication date Aug 30, 2001
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head drive circuit and magneto-optical recording device
- Publication number 20010015938
- Publication date Aug 23, 2001
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE

Kazuyoshi Ishii

Person

Patents Grantslast 30 patents

Ionizing radiation detection apparatus

Optical disc apparatus employing an objective lens having a high nu...

Optical pickup and optical disk drive apparatus

Optical pickup and optical disk device

Holographic information recording-reproducing process and apparatus...

Optical disk apparatus employing an objective lens having a high nu...

Optical pick-up and optical disk device

Optical disk apparatus with protection member for objective lens

Magneto-optical head support structures

Magneto-optical recording apparatus having a magnetic head with a r...

Magnetic domain wall displacement type magneto-optical medium and m...

Method and apparatus for recording magnetic domain having an arc sh...

High speed magnetic coil for magneto-optical head

High speed magnetic coil for magneto-optical head

Magnetic head drive circuit including paired auxiliary coils, paire...

Displacement of magnetic head and optical head in magneto-optical r...

Magnetic head for magneto-optic recording, and magneto-optic record...

Magneto-optical reproducing method using a magnified magnetic domain

Signal reproducing apparatus utilizing displacement of magnetic wall

Magnetic head drive device, and magneto-optical recording apparatus...

Magnetooptical recording head for a recording apparatus including a...

Magnetic head for magnetooptical recording apparatus

Magnetic head for magneto-optical recording and magneto-optical rec...

Method and apparatus for recording information on magnetooptical re...

Magnetic head driving device and magnetooptical recording apparatus

Magneto-optical recording apparartus including a magnetic head havi...

Magnetic head used in magnetooptical recording

Magnetooptical recording apparatus including a control circuit for...

Magnetic head driving circuit for controlling switching operations...

Magnetic head current control circuit for use in a magnetic head dr...

Patents Applicationslast 30 patents

IONIZING RADIATION DETECTION APPARATUS

RADIATION DETECTION APPARATUS

CHARGED PARTICLE DETECTING DEVICE AND GAMMA CAMERA

Optical Disc Apparatus Employing an Objective Lens Having a High Nu...

OPTICAL PICKUP AND OPTICAL DISK DRIVE APPARATUS

HOLOGRAPHIC INFORMATION RECORDING-REPRODUCING PROCESS AND APPARATUS...

OPTICAL PICKUP AND OPTICAL DISK DEVICE

Optical disk apparatus with protection member for objective lens

Optical pick-up and optical disk device

Optical disk apparatus employing high-NA objective lens

Magnetic head support mechanism

Magneto-optical recording apparatus provided with magnetic head

Magnetic head for magneto-optical recording and magneto-optical rec...

Information recording method, apparatus and information reproducing...

Magnetic domain wall displacement type magneto-optical medium and m...

Magnetic head drive circuit and magneto-optical recording device