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Kenichiro Hashimoto
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Liquid ejection head and image forming apparatus including same
Patent number
9,365,040
Issue date
Jun 14, 2016
Ricoh Company, Ltd.
Kenichiro Hashimoto
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid discharge head and image forming apparatus
Patent number
9,266,345
Issue date
Feb 23, 2016
Ricoh Company, Ltd.
Yu Kimura
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Image forming apparatus, liquid-jet head, and method for manufactur...
Patent number
9,033,456
Issue date
May 19, 2015
Ricoh Company, Ltd.
Tatsuya Shimoda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid drop jet head, ink cartridge and ink jet recording apparatus
Patent number
7,364,253
Issue date
Apr 29, 2008
Ricoh Company, Ltd.
Kenichiro Hashimoto
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid drop jet head, ink cartridge and ink jet recording apparatus
Patent number
6,913,348
Issue date
Jul 5, 2005
Ricoh Company, Ltd.
Kenichiro Hashimoto
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid drop jet head, ink cartridge and ink jet recording apparatus
Patent number
6,682,185
Issue date
Jan 27, 2004
Ricoh Company, Ltd.
Kenichiro Hashimoto
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Electrostatic ink-jet head and method of production of the same
Patent number
6,367,914
Issue date
Apr 9, 2002
Ricoh Company, Ltd.
Kouichi Ohtaka
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
Information
Patent Application
LIQUID EJECTION HEAD AND IMAGE FORMING APPARATUS INCLUDING SAME
Publication number
20140055527
Publication date
Feb 27, 2014
RICOH COMPANY, LTD.
Kenichiro HASHIMOTO
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
IMAGE FORMING APPARATUS, LIQUID-JET HEAD, AND METHOD FOR MANUFACTUR...
Publication number
20130241990
Publication date
Sep 19, 2013
RICOH COMPANY, LTD.
Tatsuya Shimoda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID DISCHARGE HEAD AND IMAGE FORMING APPARATUS
Publication number
20130147887
Publication date
Jun 13, 2013
Yu Kimura
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Liquid drop jet head, ink cartridge and ink jet recording apparatus
Publication number
20050219321
Publication date
Oct 6, 2005
Kenichiro Hashimoto
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Liquid drop jet head, ink cartridge and ink jet recording apparatus
Publication number
20040104985
Publication date
Jun 3, 2004
Kenichiro Hashimoto
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Liquid drop jet head, ink cartridge and ink jet recording apparatus
Publication number
20020175980
Publication date
Nov 28, 2002
Kenichiro Hashimoto
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS