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Ibarakai, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Film loader for an image forming apparatus
Patent number
7,450,883
Issue date
Nov 11, 2008
Ricoh Printing Systems, Ltd.
Akira Asaoka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Film loader for an image forming apparatus
Patent number
7,336,917
Issue date
Feb 26, 2008
Ricoh Printing Systems, Ltd.
Akira Asaoka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Film loader for an image forming apparatus
Patent number
7,295,794
Issue date
Nov 13, 2007
Ricoh Printing Systems, Ltd.
Akira Asaoka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing apparatus of electrophotographic printer
Patent number
6,947,698
Issue date
Sep 20, 2005
Ricoh Printing Systems, Ltd.
Sho Sawahata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Printing system and printing method
Patent number
6,927,875
Issue date
Aug 9, 2005
Hitachi Koki Co., Ltd.
Hiroshi Ueno
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Printing system
Patent number
6,650,864
Issue date
Nov 18, 2003
Hitachi Koki Co., Ltd.
Atsushi Miyamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Printers and printing method
Patent number
6,601,951
Issue date
Aug 5, 2003
Hitachi Koki Co., Ltd.
Akitomo Kuwabara
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Heater lamp unit for fixing toner in an image forming apparatus
Patent number
D469462
Issue date
Jan 28, 2003
Hitachi Koki Co., Ltd.
Ken Onodera
D18 - Printing and office machinery
Information
Patent Grant
Image production apparatus
Patent number
6,496,672
Issue date
Dec 17, 2002
Hitachi, Ltd.
Kenji Asuwa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Lamp holder, and lamp cartridge using the same and fixing unit usin...
Patent number
6,442,360
Issue date
Aug 27, 2002
Hitachi Koki Co., Ltd.
Ken Onodera
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device of image forming apparatus and fixing roller
Patent number
6,393,248
Issue date
May 21, 2002
Hitachi Koki Co., Ltd.
Teruaki Tsurusaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image recording apparatus
Patent number
6,285,854
Issue date
Sep 4, 2001
Hitachi, Ltd.
Shigeru Obata
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Recording apparatus with conveyed recording sheet heated by movable...
Patent number
6,130,408
Issue date
Oct 10, 2000
Hitachi, Ltd.
Hiromitsu Fukuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image recording apparatus which prevents variation in speed of a re...
Patent number
6,104,907
Issue date
Aug 15, 2000
Hitachi, Ltd.
Shigeru Obata
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Cleaning member for fixing roller in an image forming apparatus
Patent number
D420042
Issue date
Feb 1, 2000
Hitachi Koki Co., Ltd.
Tomomichi Kawashima
D18 - Printing and office machinery
Information
Patent Grant
Laser beam scanning apparatus and method providing controllable pri...
Patent number
5,995,130
Issue date
Nov 30, 1999
Hitachi Koki Co., Ltd.
Kazuhiro Akatsu
G02 - OPTICS
Information
Patent Grant
Release agent supplying member, release agent supplying apparatus a...
Patent number
5,881,348
Issue date
Mar 9, 1999
Hitachi Koki Co., Ltd.
Ken Onodera
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing apparatus and method for electrophotographic apparatus inclu...
Patent number
5,862,436
Issue date
Jan 19, 1999
Hitachi Koki Co., Ltd.
Katsumi Ishizawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing apparatus and fixing method for electrophotographic apparatus
Patent number
5,842,098
Issue date
Nov 24, 1998
Hitachi Koki Co., Ltd.
Hiroshi Ueno
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method and apparatus for indicating time for exchanging toner recov...
Patent number
5,805,953
Issue date
Sep 8, 1998
Hitachi, Ltd.
Toru Kikuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic apparatus for a continuous strip of paper sheet...
Patent number
5,802,444
Issue date
Sep 1, 1998
Hitachi Koki Co., Ltd.
Youichi Takeuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Continuous recording medium friction-conveying mechanism in image f...
Patent number
5,774,777
Issue date
Jun 30, 1998
Hitachi, Ltd.
Hidefumi Ohtsuka
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Electrophotographic apparatus and paper detector thereof and paper...
Patent number
5,745,817
Issue date
Apr 28, 1998
Hitachi Koki Co., Ltd.
Akihiko Yamazaki
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Preheating controller for a two-stage electrophotographic printing...
Patent number
5,652,949
Issue date
Jul 29, 1997
Hitachi Koki Co., Ltd.
Hiroyuki Ogawa
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Toner supply control system for an electrophotographic apparatus
Patent number
5,606,403
Issue date
Feb 25, 1997
Hitachi Koki Co., Ltd.
Toru Kikuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner recovering device for electrophotographic apparatus and toner...
Patent number
5,557,386
Issue date
Sep 17, 1996
Hitachi Koki Co., Ltd.
Yuuji Meguro
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
Film loader for an image forming apparatus
Publication number
20080118269
Publication date
May 22, 2008
Ricoh Printing Systems, Ltd.
Akira Asaoka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Film loader for an image forming apparatus
Publication number
20060204278
Publication date
Sep 14, 2006
Ricoh Printing Systems, Ltd.
Akira Asaoka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Fixing apparatus of electrophotographic printer
Publication number
20040109710
Publication date
Jun 10, 2004
Hitachi Printing Solutions, Ltd.
Sho Sawahata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Film loader for an image forming apparatus
Publication number
20030231898
Publication date
Dec 18, 2003
HITACHI PRINTING SOLUTIONS, LTD.
Akira Asaoka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Printing system
Publication number
20020081132
Publication date
Jun 27, 2002
Atsushi Miyamoto
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Image production apparatus
Publication number
20020034400
Publication date
Mar 21, 2002
Kenji Asuwa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Printers and printing method
Publication number
20020011170
Publication date
Jan 31, 2002
Akitomo Kuwabara
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
Printing system and printing method
Publication number
20010021027
Publication date
Sep 13, 2001
Hiroshi Ueno
G06 - COMPUTING CALCULATING COUNTING