Hirotaka Fukuyama

Person

Shizuoka-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus
- Patent number 10,126,687
- Issue date Nov 13, 2018
- Kabushiki Kaisha Toshiba
- Hirotaka Fukuyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming device and image forming device control method
- Patent number 8,121,526
- Issue date Feb 21, 2012
- Kabushiki Kaisha Toshiba
- Hirotaka Fukuyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing unit, image forming apparatus, and floating developer co...
- Patent number 7,962,074
- Issue date Jun 14, 2011
- Kabushiki Kaisha Toshiba
- Hirotaka Fukuyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming device and image forming device control method
- Patent number 7,885,589
- Issue date Feb 8, 2011
- Kabushiki Kaisha Toshiba
- Hirotaka Fukuyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming device and image forming device control method
- Patent number 7,570,908
- Issue date Aug 4, 2009
- Kabuhsiki Kaisha Toshiba
- Hirotaka Fukuyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic image forming apparatus
- Patent number 6,744,995
- Issue date Jun 1, 2004
- Kabushiki Kaisha Toshiba
- Hirotaka Fukuyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus provided with a development device having a...
- Patent number 6,470,164
- Issue date Oct 22, 2002
- Toshiba Tec Kabushiki Kaisha
- Hirotaka Fukuyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic apparatus that prevents toner from attaching to...
- Patent number 5,692,232
- Issue date Nov 25, 1997
- Kabushiki Kaisha Toshiba
- Yoshiaki Okano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic apparatus having cleaning device and developing...
- Patent number 5,655,178
- Issue date Aug 5, 1997
- Kabushiki Kaisha Toshiba
- Masaaki Ishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device for electrophotographic apparatus
- Patent number 5,600,417
- Issue date Feb 4, 1997
- Kabushiki Kaisha Toshiba
- Michihisa Iguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a toner conveyance regulator
- Patent number 5,557,379
- Issue date Sep 17, 1996
- Kabushiki Kaisha Toshiba
- Tetsuya Nakamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer roller and toner for electrophotographic apparatus
- Patent number 5,537,192
- Issue date Jul 16, 1996
- Kabushiki Kaisha Toshiba
- Michihisa Iguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic apparatus having developing device with seals f...
- Patent number 5,488,462
- Issue date Jan 30, 1996
- Kabushiki Kaisha Toshiba
- Masaaki Ishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner pack and development device for use in electrophotographic ap...
- Patent number 5,412,364
- Issue date May 2, 1995
- Kabushiki Kaisha Toshiba
- Michihisa Iguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Printer for printing and image formed of 2-dimensionally arranged p...
- Patent number 5,278,581
- Issue date Jan 11, 1994
- Kabushiki Kaisha Toshiba
- Hirotaka Fukuyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Developing apparatus
- Patent number 5,188,057
- Issue date Feb 23, 1993
- Kabushiki Kaisha Toshiba
- Masaaki Ishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20200301315
- Publication date Sep 24, 2020
- Toshiba Tec Kabushiki Kaisha
- Masayuki Kasukawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20190041772
- Publication date Feb 7, 2019
- Kabushiki Kaisha Toshiba
- Hirotaka FUKUYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20180188671
- Publication date Jul 5, 2018
- Kabushiki Kaisha Toshiba
- Hirotaka FUKUYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND PHOTOCONDUCTIVE MEMBER CLEANING METHOD...
- Publication number 20110274452
- Publication date Nov 10, 2011
- Toshiba Tec Kabushiki Kaisha
- Hirotaka Fukuyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE STABILIZATION CONTROL METHOD USED...
- Publication number 20110143272
- Publication date Jun 16, 2011
- Kabushiki Kaisha Toshiba
- Shingo Urasawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING DEVICE AND IMAGE FORMING DEVICE CONTROL METHOD
- Publication number 20110091234
- Publication date Apr 21, 2011
- Kabushiki Kaisha Toshiba
- Hirotaka Fukuyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING METHOD AND DETERMINATION METHOD OF CONTRAST POTENTIAL
- Publication number 20110064430
- Publication date Mar 17, 2011
- Kabushiki Kaisha Toshiba
- Hiromichi Mitamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20100266303
- Publication date Oct 21, 2010
- Kabushiki Kaisha Toshiba
- Hirotaka Fukuyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING DEVICE AND IMAGE FORMING DEVICE CONTROL METHOD
- Publication number 20090257765
- Publication date Oct 15, 2009
- Kabushiki Kaisha Toshiba
- Hirotaka Fukuyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
COUNTING METHOD OF MIXING TIME OF DEVELOPER
- Publication number 20090232556
- Publication date Sep 17, 2009
- Kabushiki Kaisha Toshiba
- Hirotaka Fukuyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING UNIT, IMAGE FORMING APPARATUS, AND FLOATING DEVELOPER CO...
- Publication number 20090208254
- Publication date Aug 20, 2009
- KABUSHIKI KAISHA TOSHIBA
- Hirotaka Fukuyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING DEVICE AND IMAGE FORMING DEVICE CONTROL METHOD
- Publication number 20070286625
- Publication date Dec 13, 2007
- Kabushiki Kaisha Toshiba
- Hirotaka Fukuyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS
- Publication number 20040081474
- Publication date Apr 29, 2004
- TOSHIBA TEC KABUSHIKI KAISHA
- Hirotaka Fukuyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic image forming device with mixer for mixing deve...
- Publication number 20040033083
- Publication date Feb 19, 2004
- TOSHIBA TEC KABUSHIKI KAISHA
- Hirotaka Fukuyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Hirotaka Fukuyama

Person

Patents Grantslast 30 patents

Image forming apparatus

Image forming device and image forming device control method

Developing unit, image forming apparatus, and floating developer co...

Image forming device and image forming device control method

Image forming device and image forming device control method

Electrophotographic image forming apparatus

Image forming apparatus provided with a development device having a...

Electrophotographic apparatus that prevents toner from attaching to...

Electrophotographic apparatus having cleaning device and developing...

Developing device for electrophotographic apparatus

Image forming apparatus having a toner conveyance regulator

Transfer roller and toner for electrophotographic apparatus

Electrophotographic apparatus having developing device with seals f...

Toner pack and development device for use in electrophotographic ap...

Printer for printing and image formed of 2-dimensionally arranged p...

Developing apparatus

Patents Applicationslast 30 patents

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND PHOTOCONDUCTIVE MEMBER CLEANING METHOD...

IMAGE FORMING APPARATUS AND IMAGE STABILIZATION CONTROL METHOD USED...

IMAGE FORMING DEVICE AND IMAGE FORMING DEVICE CONTROL METHOD

IMAGE FORMING METHOD AND DETERMINATION METHOD OF CONTRAST POTENTIAL

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

IMAGE FORMING DEVICE AND IMAGE FORMING DEVICE CONTROL METHOD

COUNTING METHOD OF MIXING TIME OF DEVELOPER

DEVELOPING UNIT, IMAGE FORMING APPARATUS, AND FLOATING DEVELOPER CO...

IMAGE FORMING DEVICE AND IMAGE FORMING DEVICE CONTROL METHOD

ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS

Electrophotographic image forming device with mixer for mixing deve...