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Ibaraki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Liquid discharging head, liquid discharging unit, and device for di...
Patent number
11,724,514
Issue date
Aug 15, 2023
Ricoh Company, Ltd.
Tomohiko Kohda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid discharging head, liquid discharging unit, and device for di...
Patent number
11,420,447
Issue date
Aug 23, 2022
Ricoh Company, Ltd.
Tomohiko Kohda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid discharging head, liquid discharging unit, and device for di...
Patent number
11,331,930
Issue date
May 17, 2022
Ricoh Company, Ltd.
Tomohiko Kohda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid discharging head, liquid discharging unit, and device for di...
Patent number
10,696,057
Issue date
Jun 30, 2020
Ricoh Company, Ltd.
Tomohiko Kohda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid ejection head, liquid ejection unit, and apparatus for eject...
Patent number
10,668,726
Issue date
Jun 2, 2020
Ricoh Company, Ltd.
Takahiro Yoshida
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid discharging head, liquid discharging unit, and device for di...
Patent number
10,538,101
Issue date
Jan 21, 2020
Ricoh Company, Ltd.
Tomohiko Kohda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid discharge head, liquid discharge device, and liquid discharg...
Patent number
10,179,452
Issue date
Jan 15, 2019
Ricoh Company, Ltd.
Masami Iwama
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Droplet discharge head and image forming apparatus incorporating same
Patent number
10,160,216
Issue date
Dec 25, 2018
Ricoh Company, Ltd.
Takayuki Nakai
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid discharging head, liquid discharging unit, and device for di...
Patent number
10,160,226
Issue date
Dec 25, 2018
Ricoh Company, Ltd.
Tomohiko Kohda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid ejection head, liquid ejection unit, and apparatus for eject...
Patent number
10,005,281
Issue date
Jun 26, 2018
Ricoh Company, Ltd.
Takahiro Yoshida
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid discharge head, liquid discharge device, and liquid discharg...
Patent number
9,815,285
Issue date
Nov 14, 2017
Ricoh Company, Ltd.
Yukio Otome
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid discharge head and image forming apparatus
Patent number
9,427,968
Issue date
Aug 30, 2016
Ricoh Company, Ltd.
Tomohiko Kohda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid-ejection head and image forming apparatus
Patent number
9,375,925
Issue date
Jun 28, 2016
Ricoh Company, Ltd.
Takeshi Shimizu
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Electromechanical transducer, droplet ejection head, and method for...
Patent number
9,196,821
Issue date
Nov 24, 2015
Ricoh Company, Ltd.
Tsutoh Aoyama
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Inkjet head and inkjet plotter
Patent number
8,919,926
Issue date
Dec 30, 2014
Ricoh Company, Ltd.
Satoshi Mizukami
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Electromechanical transducer element, droplet discharge head, and d...
Patent number
8,727,505
Issue date
May 20, 2014
Ricoh Company, Ltd.
Satoshi Mizukami
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ink-jet head and ink-jet recording apparatus
Patent number
8,602,530
Issue date
Dec 10, 2013
Ricoh Company, Ltd.
Satoshi Mizukami
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Inkjet head, inkjet recording apparatus, liquid droplet ejecting ap...
Patent number
8,454,133
Issue date
Jun 4, 2013
Ricoh Company, Ltd.
Satoshi Mizukami
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
Information
Patent Application
LIQUID DISCHARGING HEAD, LIQUID DISCHARGING UNIT, AND DEVICE FOR DI...
Publication number
20230330999
Publication date
Oct 19, 2023
RICOH COMPANY, LTD.
Tomohiko Kohda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID DISCHARGING HEAD, LIQUID DISCHARGING UNIT, AND DEVICE FOR DI...
Publication number
20220250392
Publication date
Aug 11, 2022
RICOH COMPANY, LTD.
Tomohiko Kohda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID DISCHARGING HEAD, LIQUID DISCHARGING UNIT, AND DEVICE FOR DI...
Publication number
20210178776
Publication date
Jun 17, 2021
RICOH COMPANY, LTD.
Tomohiko Kohda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID DISCHARGING HEAD, LIQUID DISCHARGING UNIT, AND DEVICE FOR DI...
Publication number
20200282740
Publication date
Sep 10, 2020
RICOH COMPANY, LTD.
Tomohiko Kohda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID DISCHARGING HEAD, LIQUID DISCHARGING UNIT, AND DEVICE FOR DI...
Publication number
20200094573
Publication date
Mar 26, 2020
RICOH COMPANY, LTD.
Tomohiko Kohda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LAMINATED SUBSTRATE, LIQUID DISCHARGE HEAD, AND LIQUID DISCHARGE AP...
Publication number
20190358953
Publication date
Nov 28, 2019
Junichi IWATA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID DISCHARGING HEAD, LIQUID DISCHARGING UNIT, AND DEVICE FOR DI...
Publication number
20190084313
Publication date
Mar 21, 2019
RICOH COMPANY, LTD.
Tomohiko Kohda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID EJECTION HEAD, LIQUID EJECTION UNIT, AND APPARATUS FOR EJECT...
Publication number
20180257374
Publication date
Sep 13, 2018
RICOH COMPANY, LTD.
Takahiro Yoshida
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID DISCHARGE HEAD, LIQUID DISCHARGE DEVICE, AND LIQUID DISCHARG...
Publication number
20180194135
Publication date
Jul 12, 2018
Masami IWAMA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID DISCHARGING HEAD, LIQUID DISCHARGING UNIT, AND DEVICE FOR DI...
Publication number
20170297333
Publication date
Oct 19, 2017
RICOH COMPANY, LTD.
Tomohiko Kohda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID DISCHARGE HEAD, LIQUID DISCHARGE DEVICE, AND LIQUID DISCHARG...
Publication number
20170157924
Publication date
Jun 8, 2017
RICOH COMPANY, LTD.
Yukio OTOME
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
DROPLET DISCHARGE HEAD AND IMAGE FORMING APPARATUS INCORPORATING SAME
Publication number
20170120602
Publication date
May 4, 2017
RICOH COMPANY, LTD.
Takayuki NAKAI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID EJECTION HEAD, LIQUID EJECTION UNIT, AND APPARATUS FOR EJECT...
Publication number
20160185113
Publication date
Jun 30, 2016
RICOH COMPANY, LTD.
Takahiro Yoshida
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID-EJECTION HEAD AND IMAGE FORMING APPARATUS
Publication number
20160096369
Publication date
Apr 7, 2016
RICOH COMPANY, LTD.
Takeshi SHIMIZU
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID DISCHARGE HEAD AND IMAGE FORMING APPARATUS
Publication number
20160082728
Publication date
Mar 24, 2016
RICOH COMPANY, LTD.
Tomohiko Kohda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
ELECTROMECHANICAL TRANSDUCER, DROPLET EJECTION HEAD, AND METHOD FOR...
Publication number
20150022592
Publication date
Jan 22, 2015
RICOH COMPANY, LTD.
Tsutoh Aoyama
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
ELECTROMECHANICAL TRANSDUCER ELEMENT, DROPLET DISCHARGE HEAD, AND D...
Publication number
20130002767
Publication date
Jan 3, 2013
RICOH COMPANY, LTD.,
Satoshi MIZUKAMI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
INKJET HEAD, INKJET RECORDING APPARATUS, LIQUID DROPLET EJECTING AP...
Publication number
20120236083
Publication date
Sep 20, 2012
RICOH COMPANY, LTD.
Satoshi MIZUKAMI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
INKJET HEAD AND INKJET PLOTTER
Publication number
20120229573
Publication date
Sep 13, 2012
RICOH COMPANY, LTD.
Satoshi MIZUKAMI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
INK-JET HEAD AND INK-JET RECORDING APPARATUS
Publication number
20120212545
Publication date
Aug 23, 2012
RICOH COMPANY, LTD.
Satoshi MIZUKAMI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS