Toshiaki Higaya

Person

Kawasaki city, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus and fixing device
- Patent number 8,112,023
- Issue date Feb 7, 2012
- Ricoh Company, Ltd.
- Hiroshi Seo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and fixing device
- Patent number 7,885,590
- Issue date Feb 8, 2011
- Ricoh Company, Ltd.
- Hiroshi Seo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixer and image forming apparatus including the same
- Patent number 7,817,952
- Issue date Oct 19, 2010
- Ricoh Company, Ltd.
- Hiroshi Seo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for image forming capable of effective image f...
- Patent number 7,512,371
- Issue date Mar 31, 2009
- Ricoh Company, Ltd.
- Toshiaki Higaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming method and toner for use in the method
- Patent number 7,150,954
- Issue date Dec 19, 2006
- Ricoh Company, Ltd.
- Mitsuo Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Induction heating type fixing device for an image forming apparatus...
- Patent number 7,135,660
- Issue date Nov 14, 2006
- Ricoh Company, Ltd.
- Akiko Miyahara
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Induction heating type fixing device for an image forming apparatus...
- Patent number 6,946,629
- Issue date Sep 20, 2005
- Ricoh Company, Ltd.
- Akiko Miyahara
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Image forming method and toner for use in the method
- Patent number 6,899,986
- Issue date May 31, 2005
- Ricoh Company, Ltd.
- Mitsuo Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Induction heating type fixing device for an image forming apparatus...
- Patent number 6,753,515
- Issue date Jun 22, 2004
- Ricoh Company, Ltd.
- Akiko Miyahara
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Image forming apparatus and method for improving image quality of d...
- Patent number 6,574,448
- Issue date Jun 3, 2003
- Ricoh Company, Ltd.
- Hideaki Mochimaru
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Device with induction heating roller including projecting portions...
- Patent number 6,340,810
- Issue date Jan 22, 2002
- Ricoh Company, Ltd.
- Hiroshi Yokoyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Induction heating fixing device and image forming apparatus
- Patent number 6,327,456
- Issue date Dec 4, 2001
- Ricoh Company, Ltd.
- Toshiaki Higaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device using induction heating for image forming apparatus
- Patent number 6,292,648
- Issue date Sep 18, 2001
- Ricoh Company, Ltd.
- Toshiaki Higaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Induction heating type fixing device and method of producing an ind...
- Patent number 6,262,404
- Issue date Jul 17, 2001
- Ricoh Company, Ltd.
- Toshiaki Higaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Device with induction heating roller with a projection between coil...
- Patent number 6,255,632
- Issue date Jul 3, 2001
- Ricoh Company, Ltd.
- Hiroshi Yokoyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing apparatus with improved fixing efficiency
- Patent number 6,169,871
- Issue date Jan 2, 2001
- Ricoh Company, Ltd.
- Toshiaki Higaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image fixing device, image forming apparatus providing the image fi...
- Patent number 5,915,147
- Issue date Jun 22, 1999
- Ricoh Company, Ltd.
- Yuzou Kouno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing apparatus
- Patent number RE36124
- Issue date Mar 2, 1999
- Ricoh Company, Ltd.
- Hiroshi Yokoyama
- 399 - Electrophotography
Information Patent Grant
Image fixing device, image forming apparatus providing the image fi...
- Patent number 5,832,354
- Issue date Nov 3, 1998
- Ricoh Company, Ltd.
- Yuzou Kouno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing apparatus with a release oil applying member
- Patent number 5,594,540
- Issue date Jan 14, 1997
- Ricoh Company, Ltd.
- Toshiaki Higaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image fixing device having heating portion at one end thereof
- Patent number 5,426,495
- Issue date Jun 20, 1995
- Ricoh Company, Ltd.
- Eiji Sawamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing apparatus
- Patent number 5,300,996
- Issue date Apr 5, 1994
- Ricoh Company, Ltd.
- Hiroshi Yokoyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning method for use in electrophotography
- Patent number 4,640,608
- Issue date Feb 3, 1987
- Ricoh Co., Ltd.
- Toshiaki Higaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus for cleaning photosensitive member
- Patent number 4,181,425
- Issue date Jan 1, 1980
- Ricoh Company, Ltd.
- Toshiaki Higaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Image forming apparatus and fixing device
- Publication number 20110091253
- Publication date Apr 21, 2011
- Hiroshi Seo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Fixing device and image forming apparatus
- Publication number 20070280754
- Publication date Dec 6, 2007
- Ricoh Company, Limited
- Tadashi Ogawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and fixing device
- Publication number 20070242988
- Publication date Oct 18, 2007
- Hiroshi Seo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXER AND IMAGE FORMING APPARATUS INCLUDING THE SAME
- Publication number 20070212089
- Publication date Sep 13, 2007
- Hiroshi Seo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Method and apparatus for image forming capable of effective image f...
- Publication number 20060056889
- Publication date Mar 16, 2006
- Toshiaki Higaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Induction heating type fixing device for an image forming apparatus...
- Publication number 20050242084
- Publication date Nov 3, 2005
- Akiko Miyahara
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Image forming method and toner for use in the method
- Publication number 20050079430
- Publication date Apr 14, 2005
- Mitsuo Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Induction heating type fixing device for an image forming apparatus...
- Publication number 20040188423
- Publication date Sep 30, 2004
- Akiko Miyahara
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Image forming method and toner for use in the method
- Publication number 20030186155
- Publication date Oct 2, 2003
- Mitsuo Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Induction heating type fixing device for an image forming apparatus...
- Publication number 20020031381
- Publication date Mar 14, 2002
- RICOH COMPANY, LTD.
- Akiko Miyahara
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Image forming apparatus and method
- Publication number 20020015602
- Publication date Feb 7, 2002
- Ricoh Company, Ltd.
- Hideaki Mochimaru
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Device with induction heating roller
- Publication number 20010025840
- Publication date Oct 4, 2001
- Ricoh Company, Ltd.
- Hiroshi Yokoyama
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Toshiaki Higaya

Person

Patents Grantslast 30 patents

Image forming apparatus and fixing device

Image forming apparatus and fixing device

Fixer and image forming apparatus including the same

Method and apparatus for image forming capable of effective image f...

Image forming method and toner for use in the method

Induction heating type fixing device for an image forming apparatus...

Induction heating type fixing device for an image forming apparatus...

Image forming method and toner for use in the method

Induction heating type fixing device for an image forming apparatus...

Image forming apparatus and method for improving image quality of d...

Device with induction heating roller including projecting portions...

Induction heating fixing device and image forming apparatus

Fixing device using induction heating for image forming apparatus

Induction heating type fixing device and method of producing an ind...

Device with induction heating roller with a projection between coil...

Fixing apparatus with improved fixing efficiency

Image fixing device, image forming apparatus providing the image fi...

Fixing apparatus

Image fixing device, image forming apparatus providing the image fi...

Fixing apparatus with a release oil applying member

Image fixing device having heating portion at one end thereof

Fixing apparatus

Cleaning method for use in electrophotography

Apparatus for cleaning photosensitive member

Patents Applicationslast 30 patents

Image forming apparatus and fixing device

Fixing device and image forming apparatus

Image forming apparatus and fixing device

FIXER AND IMAGE FORMING APPARATUS INCLUDING THE SAME

Method and apparatus for image forming capable of effective image f...

Induction heating type fixing device for an image forming apparatus...

Image forming method and toner for use in the method

Induction heating type fixing device for an image forming apparatus...

Image forming method and toner for use in the method

Induction heating type fixing device for an image forming apparatus...

Image forming apparatus and method

Device with induction heating roller