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Ryuichi Hayashi
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Ibaraki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Liquid discharging device, correction chart generating method, and...
Patent number
9,950,513
Issue date
Apr 24, 2018
Ricoh Company, Ltd.
Tomohiro Mizutani
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid droplet ejecting device, image forming apparatus, and method...
Patent number
9,669,620
Issue date
Jun 6, 2017
Ricoh Company, Ltd.
Ryuichi Hayashi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid viscosity detecting method for liquid droplet ejecting devic...
Patent number
9,486,998
Issue date
Nov 8, 2016
Ricoh Company, Ltd.
Ryuichi Hayashi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Multiple-conductor flat cable
Patent number
9,340,049
Issue date
May 17, 2016
Ricoh Company, Ltd.
Ryuichi Hayashi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Inkjet recording apparatus
Patent number
8,870,321
Issue date
Oct 28, 2014
Ricoh Company, Limited
Ryuichi Hayashi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
Information
Patent Application
LIQUID DISCHARGING DEVICE, CORRECTION CHART GENERATING METHOD, AND...
Publication number
20170165962
Publication date
Jun 15, 2017
RICOH COMPANY, LTD.
Tomohiro MIZUTANI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID DROPLET EJECTING DEVICE, IMAGE FORMING APPARATUS, AND METHOD...
Publication number
20170057217
Publication date
Mar 2, 2017
RICOH COMPANY, LTD.
Ryuichi HAYASHI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID VISCOSITY DETECTING METHOD FOR LIQUID DROPLET EJECTING DEVIC...
Publication number
20150258780
Publication date
Sep 17, 2015
Ryuichi Hayashi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
MULTIPLE-CONDUCTOR FLAT CABLE
Publication number
20140262429
Publication date
Sep 18, 2014
RICOH COMPANY, LTD.
Ryuichi Hayashi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
INKJET RECORDING APPARATUS
Publication number
20140015902
Publication date
Jan 16, 2014
RICOH COMPANY, LIMITED
Ryuichi HAYASHI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS