Hiroshi Fuma

Person

Hachioji, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus having a heat belt
- Patent number 7,187,894
- Issue date Mar 6, 2007
- Konica Minolta Business Technologies, Inc.
- Hiroshi Fuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a fixing device for fixing toner ima...
- Patent number 7,187,900
- Issue date Mar 6, 2007
- Konica Minolta Business Technologies, Inc.
- Hiroshi Fuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Pressure applying device to fixing roller of image forming apparatus
- Patent number 7,050,747
- Issue date May 23, 2006
- Konica Minolta Holdings, Inc.
- Hiroshi Fuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 7,046,950
- Issue date May 16, 2006
- Konica Minolta Holdings, Inc.
- Hiroshi Fuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus that controls a fixing device to fix a tone...
- Patent number 7,010,240
- Issue date Mar 7, 2006
- Konica Corporation
- Hiroshi Fuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device controlling method, fixing device, and image forming...
- Patent number 6,795,681
- Issue date Sep 21, 2004
- Konica Corporation
- Masahiro Onodera
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Pressure applying device to fixing roller of image forming apparatus
- Patent number 6,782,231
- Issue date Aug 24, 2004
- Konica Corporation
- Hiroshi Fuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing unit and image forming apparatus
- Patent number 6,650,863
- Issue date Nov 18, 2003
- Konica Corporation
- Hiroshi Fuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image fixing device and image forming apparatus equipped therewith
- Patent number 6,584,297
- Issue date Jun 24, 2003
- Konica Corporation
- Hiroshi Fuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Device for holding fixing roller, method for manufacturing fixing r...
- Patent number 6,438,841
- Issue date Aug 27, 2002
- Konica Corporation
- Hiroshi Fuma
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Toner replenishing apparatus having a plurality of scraping members...
- Patent number 6,137,978
- Issue date Oct 24, 2000
- Konica Corporation
- Takahiro Tsuchiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of forming a multicolor toner image on a photoreceptor and t...
- Patent number 5,459,563
- Issue date Oct 17, 1995
- Konica Corporation
- Hiroshi Fuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having controlled transfer unit
- Patent number 5,300,984
- Issue date Apr 5, 1994
- Konica Corporation
- Hiroshi Fuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 5,276,491
- Issue date Jan 4, 1994
- Konica Corporation
- Hiroshi Fuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming method including an additional exposing step
- Patent number 5,260,752
- Issue date Nov 9, 1993
- Konica Corporation
- Hiroshi Fuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer device with insulated shield
- Patent number 5,172,174
- Issue date Dec 15, 1992
- Konica Corporation
- Hiroshi Fuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 5,153,653
- Issue date Oct 6, 1992
- Konica Corporation
- Hiroshi Fuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 5,054,419
- Issue date Oct 8, 1991
- Konica Corporation
- Masahiko Itaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for the development of an electrostatic latent image
- Patent number 5,024,181
- Issue date Jun 18, 1991
- Konica Corporation
- Hisashi Shoji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of regulating the thickness of a developer layer containing...
- Patent number 4,908,291
- Issue date Mar 13, 1990
- Konishiroku Photo Industry Co., Ltd.
- Hiroshi Fuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrostatic image-developing process using a magnetic roller
- Patent number 4,822,711
- Issue date Apr 18, 1989
- Konica Corporation
- Masahiko Itaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus and method for controlling color dot size in multicolor i...
- Patent number 4,814,797
- Issue date Mar 21, 1989
- Konishiroku Photo Industry Co., Ltd.
- Satoshi Haneda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Developer layer forming apparatus
- Patent number 4,814,818
- Issue date Mar 21, 1989
- Konishiroku Photo Industry Co., Ltd.
- Hiroshi Fuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 4,669,864
- Issue date Jun 2, 1987
- Konishiroku Photo Industry Co., Ltd.
- Hisashi Shoji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing electrophotographic image using magnets and magnetic mat...
- Patent number 4,585,326
- Issue date Apr 29, 1986
- Konishiroku Photo Industry Co., Ltd.
- Yukio Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Image forming apparatus
- Publication number 20050226660
- Publication date Oct 13, 2005
- Konica Minolta Business Technologies, Inc.
- Hiroshi Fuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and fixing device
- Publication number 20050111862
- Publication date May 26, 2005
- Hiroshi Fuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus having fixing device
- Publication number 20050100372
- Publication date May 12, 2005
- Konica Minolta Business Technologies, Inc.
- Hiroshi Fuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20040179876
- Publication date Sep 16, 2004
- KONICA MINOLTA HOLDINGS, INC.
- Hiroshi Fuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Pressure applying device to fixing roller of image forming apparatus
- Publication number 20040156660
- Publication date Aug 12, 2004
- Konica Minolta Holdings, Inc.
- Hiroshi Fuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20040042809
- Publication date Mar 4, 2004
- Konica Corporation
- Hiroshi Fuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Fixing device controlling method, fixing device, and image forming...
- Publication number 20030091360
- Publication date May 15, 2003
- Konica Corporation
- Masahiro Onodera
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Fixing device and image forming apparatus
- Publication number 20020176724
- Publication date Nov 28, 2002
- Hiroshi Fuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Fixing unit and image forming apparatus
- Publication number 20020118982
- Publication date Aug 29, 2002
- Konica Corporation
- Hiroshi Fuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image fixing device and image forming apparatus equipped therewith
- Publication number 20020118983
- Publication date Aug 29, 2002
- Hiroshi Fuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Hiroshi Fuma

Person

Patents Grantslast 30 patents

Image forming apparatus having a heat belt

Image forming apparatus having a fixing device for fixing toner ima...

Pressure applying device to fixing roller of image forming apparatus

Image forming apparatus

Image forming apparatus that controls a fixing device to fix a tone...

Fixing device controlling method, fixing device, and image forming...

Pressure applying device to fixing roller of image forming apparatus

Fixing unit and image forming apparatus

Image fixing device and image forming apparatus equipped therewith

Device for holding fixing roller, method for manufacturing fixing r...

Toner replenishing apparatus having a plurality of scraping members...

Method of forming a multicolor toner image on a photoreceptor and t...

Image forming apparatus having controlled transfer unit

Image forming apparatus

Image forming method including an additional exposing step

Transfer device with insulated shield

Image forming apparatus

Image forming apparatus

Method for the development of an electrostatic latent image

Method of regulating the thickness of a developer layer containing...

Electrostatic image-developing process using a magnetic roller

Apparatus and method for controlling color dot size in multicolor i...

Developer layer forming apparatus

Image forming apparatus

Developing electrophotographic image using magnets and magnetic mat...

Patents Applicationslast 30 patents

Image forming apparatus

Image forming apparatus and fixing device

Image forming apparatus having fixing device

Image forming apparatus

Pressure applying device to fixing roller of image forming apparatus

Image forming apparatus

Fixing device controlling method, fixing device, and image forming...

Fixing device and image forming apparatus

Fixing unit and image forming apparatus

Image fixing device and image forming apparatus equipped therewith