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Patents Grants
last 30 patents
Information
Patent Grant
Device and method for detecting state of discharged liquid droplet...
Patent number
9,347,881
Issue date
May 24, 2016
Ricoh Company, Ltd.
Hiroshi Andoh
G01 - MEASURING TESTING
Information
Patent Grant
Liquid droplet detecting device, inkjet recording device incorporat...
Patent number
9,193,197
Issue date
Nov 24, 2015
Ricoh Company, Ltd.
Genichiro Kawamichi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Image forming apparatus and image forming method on measured physic...
Patent number
8,045,871
Issue date
Oct 25, 2011
Ricoh Company, Ltd.
Susumu Monma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and image forming method
Patent number
7,917,045
Issue date
Mar 29, 2011
Ricoh Company, Ltd.
Makoto Yagawara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and toner adhesion amount correction method
Patent number
7,773,896
Issue date
Aug 10, 2010
Ricoh Company, Ltd.
Makoto Yagawara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
LIQUID DROPLET DETECTING DEVICE, INKJET RECORDING DEVICE INCORPORAT...
Publication number
20150224802
Publication date
Aug 13, 2015
RICOH COMPANY, LTD.
Genichiro Kawamichi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
DEVICE AND METHOD FOR DETECTING STATE OF DISCHARGED LIQUID DROPLET...
Publication number
20150177136
Publication date
Jun 25, 2015
RICOH COMPANY, LTD.
Hiroshi Andoh
G01 - MEASURING TESTING
Information
Patent Application
LIQUID DROP EJECTION STATE DETECTION DEVICE AND IMAGE FORMATION APP...
Publication number
20150009252
Publication date
Jan 8, 2015
RICOH COMPANY, LTD.
Hiroshi Andoh
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
Publication number
20080317486
Publication date
Dec 25, 2008
Susumu MONMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus and toner adhesion amount correction method
Publication number
20080044192
Publication date
Feb 21, 2008
Ricoh Printing Systems, Ltd.
Makoto Yagawara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
Publication number
20070212086
Publication date
Sep 13, 2007
Makoto YAGAWARA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Erroneous cable connection detecting system of printer and method t...
Publication number
20050185213
Publication date
Aug 25, 2005
Ricoh Printing Systems, Ltd.
Hideharu Miki
G06 - COMPUTING CALCULATING COUNTING