Tokuji Takizawa

Person

Utsunomiya-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing light-transmitting member, light-transmitti...
- Patent number 10,412,245
- Issue date Sep 10, 2019
- Canon Kabushiki Kaisha
- Tokuji Takizawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Spectrometer and image forming apparatus having the same
- Patent number 9,217,667
- Issue date Dec 22, 2015
- Canon Kabushiki Kaisha
- Masayasu Teramura
- G01 - MEASURING TESTING
Information Patent Grant
Spectral colorimetric apparatus and image forming apparatus using t...
- Patent number 8,705,154
- Issue date Apr 22, 2014
- Canon Kabushiki Kaisha
- Tokuji Takizawa
- G01 - MEASURING TESTING
Information Patent Grant
Spectral colorimetric apparatus and image forming apparatus using t...
- Patent number 8,462,406
- Issue date Jun 11, 2013
- Canon Kabushiki Kaisha
- Tokuji Takizawa
- G01 - MEASURING TESTING
Information Patent Grant
Diffraction optical element, spectral colorimetric apparatus, and i...
- Patent number 8,451,443
- Issue date May 28, 2013
- Canon Kabushiki Kaisha
- Tokuji Takizawa
- G01 - MEASURING TESTING
Information Patent Grant
Optical scanning apparatus and image forming apparatus using the same
- Patent number 8,451,522
- Issue date May 28, 2013
- Canon Kabushiki Kaisha
- Tokuji Takizawa
- G02 - OPTICS
Information Patent Grant
Illuminator, and spectral apparatus and image reading apparatus the...
- Patent number 8,437,050
- Issue date May 7, 2013
- Canon Kabushiki Kaisha
- Nobuyuki Tochigi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Spectrometer and image forming apparatus having the same
- Patent number 8,422,012
- Issue date Apr 16, 2013
- Canon Kabushiki Kaisha
- Masayasu Teramura
- G01 - MEASURING TESTING
Information Patent Grant
Spectral colorimetric apparatus and color image forming apparatus u...
- Patent number 8,184,289
- Issue date May 22, 2012
- Canon Kabushiki Kaisha
- Kazumi Kimura
- G01 - MEASURING TESTING
Information Patent Grant
Optical scanning apparatus and image forming apparatus employing th...
- Patent number 7,554,709
- Issue date Jun 30, 2009
- Canon Kabushiki Kaisha
- Hidekazu Shimomura
- G02 - OPTICS
Information Patent Grant
Light scanning apparatus and image forming apparatus using the ligh...
- Patent number 7,542,189
- Issue date Jun 2, 2009
- Canon Kabushiki Kaisha
- Ken Tanimura
- G02 - OPTICS
Information Patent Grant
Optical scanning apparatus and image forming apparatus employing th...
- Patent number 7,397,590
- Issue date Jul 8, 2008
- Canon Kabushiki Kaisha
- Hidekazu Shimomura
- G02 - OPTICS
Information Patent Grant
Optical scanning device and image forming apparatus using the same
- Patent number 7,375,847
- Issue date May 20, 2008
- Canon Kabushiki Kaisha
- Tokuji Takizawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF MANUFACTURING LIGHT-TRANSMITTING MEMBER, LIGHT-TRANSMITTI...
- Publication number 20180352101
- Publication date Dec 6, 2018
- Canon Kabushiki Kaisha
- Tokuji Takizawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SPECTRAL COLORIMETRIC APPARATUS AND IMAGE FORMING APPARATUS USING T...
- Publication number 20130250295
- Publication date Sep 26, 2013
- Canon Kabushiki Kaisha
- Tokuji Takizawa
- G01 - MEASURING TESTING
Information Patent Application
SPECTROMETER AND IMAGE FORMING APPARATUS HAVING THE SAME
- Publication number 20130201478
- Publication date Aug 8, 2013
- Canon Kabushiki Kaisha
- Masayasu Teramura
- G01 - MEASURING TESTING
Information Patent Application
SPECTRAL OPTICAL ELEMENT, SPECTRAL COLORIMETRIC APPARATUS, AND IMAG...
- Publication number 20110026022
- Publication date Feb 3, 2011
- Canon Kabushiki Kaisha
- Tokuji Takizawa
- G02 - OPTICS
Information Patent Application
SPECTRAL COLORIMETRIC APPARATUS AND COLOR IMAGE FORMING APPARATUS U...
- Publication number 20100277730
- Publication date Nov 4, 2010
- Canon Kabushiki Kaisha
- Kazumi Kimura
- G01 - MEASURING TESTING
Information Patent Application
SPECTRAL COLORIMETRIC APPARATUS AND IMAGE FORMING APPARATUS USING T...
- Publication number 20100278543
- Publication date Nov 4, 2010
- Canon Kabushiki Kaisha
- Tokuji Takizawa
- G01 - MEASURING TESTING
Information Patent Application
ILLUMINATOR, AND SPECTRAL APPARATUS AND IMAGE READING APPARATUS THE...
- Publication number 20100277775
- Publication date Nov 4, 2010
- Canon Kabushiki Kaisha
- Nobuyuki TOCHIGI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SPECTROMETER AND IMAGE FORMING APPARATUS HAVING THE SAME
- Publication number 20100277731
- Publication date Nov 4, 2010
- Canon Kabushiki Kaisha
- Masayasu Teramura
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL SCANNING APPARATUS AND IMAGE FORMING APPARATUS USING THE SAME
- Publication number 20100118367
- Publication date May 13, 2010
- Canon Kabushiki Kaisha
- Tokuji Takizawa
- G02 - OPTICS
Information Patent Application
OPTICAL SCANNING APPARATUS AND IMAGE FORMING APPARATUS EMPLOYING TH...
- Publication number 20080030565
- Publication date Feb 7, 2008
- Canon Kabushiki Kaisha
- Hidekazu Shimomura
- G02 - OPTICS
Information Patent Application
LIGHT SCANNING APPARATUS AND IMAGE FORMING APPARATUS USING THE LIGH...
- Publication number 20070081213
- Publication date Apr 12, 2007
- Canon Kabushiki Kaisha
- KEN TANIMURA
- G02 - OPTICS
Information Patent Application
Optical scanning apparatus and image forming apparatus employing th...
- Publication number 20060131491
- Publication date Jun 22, 2006
- Canon Kabushiki Kaisha
- Hidekazu Shimomura
- G02 - OPTICS
Information Patent Application
Optical scanning device and image forming apparatus using the same
- Publication number 20040246535
- Publication date Dec 9, 2004
- Canon Kabushiki Kaisha
- Tokuji Takizawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Tokuji Takizawa

Person

Patents Grantslast 30 patents

Method of manufacturing light-transmitting member, light-transmitti...

Spectrometer and image forming apparatus having the same

Spectral colorimetric apparatus and image forming apparatus using t...

Spectral colorimetric apparatus and image forming apparatus using t...

Diffraction optical element, spectral colorimetric apparatus, and i...

Optical scanning apparatus and image forming apparatus using the same

Illuminator, and spectral apparatus and image reading apparatus the...

Spectrometer and image forming apparatus having the same

Spectral colorimetric apparatus and color image forming apparatus u...

Optical scanning apparatus and image forming apparatus employing th...

Light scanning apparatus and image forming apparatus using the ligh...

Optical scanning apparatus and image forming apparatus employing th...

Optical scanning device and image forming apparatus using the same

Patents Applicationslast 30 patents

METHOD OF MANUFACTURING LIGHT-TRANSMITTING MEMBER, LIGHT-TRANSMITTI...

SPECTRAL COLORIMETRIC APPARATUS AND IMAGE FORMING APPARATUS USING T...

SPECTROMETER AND IMAGE FORMING APPARATUS HAVING THE SAME

SPECTRAL OPTICAL ELEMENT, SPECTRAL COLORIMETRIC APPARATUS, AND IMAG...

SPECTRAL COLORIMETRIC APPARATUS AND COLOR IMAGE FORMING APPARATUS U...

SPECTRAL COLORIMETRIC APPARATUS AND IMAGE FORMING APPARATUS USING T...

ILLUMINATOR, AND SPECTRAL APPARATUS AND IMAGE READING APPARATUS THE...

SPECTROMETER AND IMAGE FORMING APPARATUS HAVING THE SAME

OPTICAL SCANNING APPARATUS AND IMAGE FORMING APPARATUS USING THE SAME

OPTICAL SCANNING APPARATUS AND IMAGE FORMING APPARATUS EMPLOYING TH...

LIGHT SCANNING APPARATUS AND IMAGE FORMING APPARATUS USING THE LIGH...

Optical scanning apparatus and image forming apparatus employing th...

Optical scanning device and image forming apparatus using the same