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Yuji Ohmura
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Hitachinaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Web conveyance method and apparatus of tandem printing system
Patent number
8,091,476
Issue date
Jan 10, 2012
Ricoh Company, Ltd.
Souichi Nakazawa
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Fixing apparatus and image forming apparatus using it
Patent number
7,844,210
Issue date
Nov 30, 2010
Ricoh Company, Ltd.
Sho Sawahata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Web transporting mechanism of printing apparatus
Patent number
7,451,902
Issue date
Nov 18, 2008
Ricoh Printing Systems, Ltd.
Yuji Ohmura
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Tension generating mechanism for a printing apparatus
Patent number
6,969,206
Issue date
Nov 29, 2005
Ricoh Printing Systems, Ltd.
Hidenori Iwanaga
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Method of controlling reciprocal movement of hammer rank in print d...
Patent number
6,231,250
Issue date
May 15, 2001
Hitachi Koki Co., Ltd.
Satoru Tobita
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Dot line printer with mimimum hammer gap arrangement
Patent number
5,787,803
Issue date
Aug 4, 1998
Hitachi Koki Co., Ltd.
Yuji Ohmura
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
Information
Patent Application
WEB CONVEYANCE METHOD AND APPARATUS OF TANDEM PRINTING SYSTEM
Publication number
20080181710
Publication date
Jul 31, 2008
Souichi Nakazawa
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Fixing apparatus and image forming apparatus using it
Publication number
20080080912
Publication date
Apr 3, 2008
Ricoh Printing Systems, Ltd.
Sho Sawahata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Web transporting mechanism of printing apparatus
Publication number
20050184119
Publication date
Aug 25, 2005
Ricoh Printing Systems, Ltd.
Yuji Ohmura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Printing apparatus
Publication number
20030177923
Publication date
Sep 25, 2003
HITACHI PRINTING SOLUTIONS, LTD.
Hidenori Iwanaga
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL