Ritsuo Fujii

Person

Hachioji, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Cutting device and image forming system
- Patent number 9,114,544
- Issue date Aug 25, 2015
- Konica Minolta, Inc.
- Toshio Shida
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
Fixing device and image forming apparatus with horizontally moving...
- Patent number 7,463,858
- Issue date Dec 9, 2008
- Konica Minota Business Technologies, Inc.
- Yasuo Shiokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus equipped with LED printing head
- Patent number 7,403,732
- Issue date Jul 22, 2008
- Konica Minolta Business Technologies, Inc.
- Akihiko Shimazu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 7,280,796
- Issue date Oct 9, 2007
- Konica Minolta Business Technologies, Inc.
- Hiroshi Isokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus which detects abnormality condition in feed...
- Patent number 7,155,149
- Issue date Dec 26, 2006
- Konica Minolta Business Technologies, Inc.
- Ritsuo Fujii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming method
- Patent number 7,092,663
- Issue date Aug 15, 2006
- Konica Minolta Business Technologies, Inc.
- Kouki Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner replenishment device for use in electrophotographic image for...
- Patent number 7,082,279
- Issue date Jul 25, 2006
- Konica Minolta Business Technologies, Inc.
- Ritsuo Fujii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic image forming apparatus equipped with toner con...
- Patent number 7,072,606
- Issue date Jul 4, 2006
- Konica Minolta Business Technologies, Inc.
- Ritsuo Fujii
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Toner supplying apparatus and image forming apparatus
- Patent number 7,062,206
- Issue date Jun 13, 2006
- Konica Minolta Business Technologies, Inc.
- Ritsuo Fujii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner conveyance device and image forming apparatus equipped therewith
- Patent number 7,010,251
- Issue date Mar 7, 2006
- Konica Minolta Holdings, Inc.
- Kazumichi Yamauchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner replenishing method with improved storage and separation units
- Patent number 6,829,463
- Issue date Dec 7, 2004
- Konica Corporation
- Ritsuo Fujii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sheet curl correcting mechanism and image forming apparatus having...
- Patent number 5,920,759
- Issue date Jul 6, 1999
- Konica Corporation
- Takahiko Ushiroji
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Automatic sheet reversing apparatus
- Patent number 4,650,176
- Issue date Mar 17, 1987
- Suzuki International Patent Office
- Tsugio Sugizaki
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
CUTTING DEVICE AND IMAGE FORMING SYSTEM
- Publication number 20130279963
- Publication date Oct 24, 2013
- Konica Minolta, Inc.
- Toshio SHIDA
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Application
CUTTING DEVICE AND IMAGE FORMING SYSTEM
- Publication number 20130280016
- Publication date Oct 24, 2013
- Konica Minolta, Inc.
- Toshio SHIDA
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Application
Image forming apparatus equipped with LED printing head
- Publication number 20070110468
- Publication date May 17, 2007
- Akihiko Shimazu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Fixing device and image forming apparatus
- Publication number 20070053728
- Publication date Mar 8, 2007
- KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
- Yasuo Shiokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20060088352
- Publication date Apr 27, 2006
- KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
- Hiroshi Isokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and image forming method
- Publication number 20050260016
- Publication date Nov 24, 2005
- KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
- Kouki Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner replenishment device for use in electrophotographic image for...
- Publication number 20050201780
- Publication date Sep 15, 2005
- KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
- Ritsuo Fujii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20050041998
- Publication date Feb 24, 2005
- Konica Minolta Business Technologies, Inc.
- Ritsuo Fujii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic image forming apparatus equipped with toner con...
- Publication number 20050013634
- Publication date Jan 20, 2005
- Ritsuo Fujii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner supplying apparatus and image forming apparatus
- Publication number 20040247344
- Publication date Dec 9, 2004
- KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
- Ritsuo Fujii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner conveyance device and image forming apparatus equipped therewith
- Publication number 20040105704
- Publication date Jun 3, 2004
- Konica Minolta Holdings, Inc.
- Kazumichi Yamauchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner replenishing method and unit in image forming apparatus
- Publication number 20030142999
- Publication date Jul 31, 2003
- Ritsuo Fujii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Ritsuo Fujii

Person

Patents Grantslast 30 patents

Cutting device and image forming system

Fixing device and image forming apparatus with horizontally moving...

Image forming apparatus equipped with LED printing head

Image forming apparatus

Image forming apparatus which detects abnormality condition in feed...

Image forming apparatus and image forming method

Toner replenishment device for use in electrophotographic image for...

Electrophotographic image forming apparatus equipped with toner con...

Toner supplying apparatus and image forming apparatus

Toner conveyance device and image forming apparatus equipped therewith

Toner replenishing method with improved storage and separation units

Sheet curl correcting mechanism and image forming apparatus having...

Automatic sheet reversing apparatus

Patents Applicationslast 30 patents

CUTTING DEVICE AND IMAGE FORMING SYSTEM

CUTTING DEVICE AND IMAGE FORMING SYSTEM

Image forming apparatus equipped with LED printing head

Fixing device and image forming apparatus

Image forming apparatus

Image forming apparatus and image forming method

Toner replenishment device for use in electrophotographic image for...

Image forming apparatus

Electrophotographic image forming apparatus equipped with toner con...

Toner supplying apparatus and image forming apparatus

Toner conveyance device and image forming apparatus equipped therewith

Toner replenishing method and unit in image forming apparatus