KOU ISHIZUKA

Person

SAITAMA-KEN, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical encoder
- Patent number 6,999,179
- Issue date Feb 14, 2006
- Canon Kabushiki Kaisha
- Kou Ishizuka
- G01 - MEASURING TESTING
Information Patent Grant
Optical encoder
- Patent number 6,831,267
- Issue date Dec 14, 2004
- Canon Kabushiki Kaisha
- Kou Ishizuka
- G01 - MEASURING TESTING
Information Patent Grant
Interference device, position detecting device, positioning device...
- Patent number 6,631,047
- Issue date Oct 7, 2003
- Canon Kabushiki Kaisha
- Kou Ishizuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Displacement information measuring apparatus with hyperbolic diffra...
- Patent number 6,259,531
- Issue date Jul 10, 2001
- Canon Kabushiki Kaisha
- Makoto Takamiya
- G01 - MEASURING TESTING
Information Patent Grant
Position detecting apparatus, positioning apparatus, and informatio...
- Patent number 6,151,185
- Issue date Nov 21, 2000
- Canon Kabushiki Kaisha
- Kou Ishizuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical displacement measurement apparatus and information recordin...
- Patent number 6,005,667
- Issue date Dec 21, 1999
- Canon Kabushiki Kaisha
- Makoto Takamiya
- G11 - INFORMATION STORAGE
Information Patent Grant
Displacement detection apparatus and drive control apparatus using...
- Patent number 5,956,140
- Issue date Sep 21, 1999
- Canon Kabushiki Kaisha
- Kou Ishizuka
- G01 - MEASURING TESTING
Information Patent Grant
Information recording apparatus
- Patent number 5,930,066
- Issue date Jul 27, 1999
- Canon Kabushiki Kaisha
- Kou Ishizuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Rotation detector and controller for detecting rotation information...
- Patent number 5,917,182
- Issue date Jun 29, 1999
- Canon Kabushiki Kaisha
- Kou Ishizuka
- G01 - MEASURING TESTING
Information Patent Grant
Rotational displacement information detection apparatus
- Patent number 5,883,384
- Issue date Mar 16, 1999
- Canon Kabushiki Kaisha
- Shigeki Kato
- G01 - MEASURING TESTING
Information Patent Grant
Optical displacement measuring apparatus including a light-emitting...
- Patent number 5,880,839
- Issue date Mar 9, 1999
- Canon Kabushiki Kaisha
- Kou Ishizuka
- G01 - MEASURING TESTING
Information Patent Grant
Optical type sensor for use as an optical measuring head or optical...
- Patent number 5,742,391
- Issue date Apr 21, 1998
- Canon Kabushiki Kaisha
- Yasushi Kaneda
- G01 - MEASURING TESTING
Information Patent Grant
Displacement information detection apparatus, scale used in the app...
- Patent number 5,663,794
- Issue date Sep 2, 1997
- Canon Kabushiki Kaisha
- Kou Ishizuka
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Optical displacement detection apparatus employing diffraction grat...
- Patent number 5,534,693
- Issue date Jul 9, 1996
- Canon Kabushiki Kaisha
- Hiroshi Kondo
- G01 - MEASURING TESTING
Information Patent Grant
Optical apparatus for measuring displacement of an object
- Patent number 5,067,813
- Issue date Nov 26, 1991
- Canon Kabushiki Kaisha
- Kou Ishizuka
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Optical encoder
- Publication number 20050007598
- Publication date Jan 13, 2005
- Canon Kabushiki Kaisha
- Kou Ishizuka
- G01 - MEASURING TESTING
Information Patent Application
INTERFERENCE DEVICE, POSITION DETECTING DEVICE, POSITIONING DEVICE...
- Publication number 20030133219
- Publication date Jul 17, 2003
- KOU ISHIZUKA
- G11 - INFORMATION STORAGE
Information Patent Application
Optical encoder
- Publication number 20010017350
- Publication date Aug 30, 2001
- Kou Ishizuka
- G01 - MEASURING TESTING

KOU ISHIZUKA

Person

Patents Grantslast 30 patents

Optical encoder

Optical encoder

Interference device, position detecting device, positioning device...

Displacement information measuring apparatus with hyperbolic diffra...

Position detecting apparatus, positioning apparatus, and informatio...

Optical displacement measurement apparatus and information recordin...

Displacement detection apparatus and drive control apparatus using...

Information recording apparatus

Rotation detector and controller for detecting rotation information...

Rotational displacement information detection apparatus

Optical displacement measuring apparatus including a light-emitting...

Optical type sensor for use as an optical measuring head or optical...

Displacement information detection apparatus, scale used in the app...

Optical displacement detection apparatus employing diffraction grat...

Optical apparatus for measuring displacement of an object

Patents Applicationslast 30 patents

Optical encoder

INTERFERENCE DEVICE, POSITION DETECTING DEVICE, POSITIONING DEVICE...

Optical encoder