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Takahiro YOSHIDA
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Ibaraki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Liquid discharge apparatus, drive waveform generation device, and h...
Patent number
12,220,915
Issue date
Feb 11, 2025
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
12,214,600
Issue date
Feb 4, 2025
Ricoh Company, Ltd.
Tomohiko Kohda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid discharge apparatus, drive waveform generator, and head driv...
Patent number
12,162,281
Issue date
Dec 10, 2024
Ricoh Company, Ltd.
Takahiro Yoshida
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid discharge apparatus, drive waveform generator, and head driv...
Patent number
12,109,811
Issue date
Oct 8, 2024
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
11,724,514
Issue date
Aug 15, 2023
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
11,628,669
Issue date
Apr 18, 2023
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
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 discharge head including supply and discharge channels, liqu...
Patent number
11,207,888
Issue date
Dec 28, 2021
Ricoh Company, Ltd.
Junichi Iwata
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Liquid discharge apparatus, drive waveform generating device, and h...
Patent number
11,148,417
Issue date
Oct 19, 2021
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
11,135,845
Issue date
Oct 5, 2021
Ricoh Company, Ltd.
Shiomi Andou
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid discharge head, liquid discharge device, and liquid discharg...
Patent number
11,040,536
Issue date
Jun 22, 2021
Ricoh Company, Ltd.
Ryohta Yoneta
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid discharge device and liquid discharge apparatus
Patent number
10,994,533
Issue date
May 4, 2021
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
10,981,380
Issue date
Apr 20, 2021
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
10,981,382
Issue date
Apr 20, 2021
Ricoh Company, Ltd.
Takahiro Yoshida
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid circulating apparatus and liquid ejecting apparatus
Patent number
10,864,746
Issue date
Dec 15, 2020
Ricoh Company, Ltd.
Yukio Otome
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid discharge head, including supply and discharge channels,liqu...
Patent number
10,759,165
Issue date
Sep 1, 2020
Ricoh Company, Ltd.
Junichi Iwata
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Liquid discharge head, liquid discharge device, and liquid discharg...
Patent number
10,737,491
Issue date
Aug 11, 2020
Ricoh Company, Ltd.
Toshimichi Odaka
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Inkjet recording apparatus, printer, and method for manufacturing c...
Patent number
10,710,374
Issue date
Jul 14, 2020
Ricoh Company, Ltd.
Masato Iio
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Liquid discharge head, liquid discharge device, and liquid discharg...
Patent number
10,696,046
Issue date
Jun 30, 2020
Ricoh Company, Ltd.
Koji Kawahara
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
Inkjet recording apparatus, printer, and method for manufacturing c...
Patent number
10,538,099
Issue date
Jan 21, 2020
Ricoh Company, Ltd.
Masato Iio
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
10,399,355
Issue date
Sep 3, 2019
Ricoh Company, Ltd.
Takayuki Nakai
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ink including silver particle and water, inkjet printing device inc...
Patent number
10,300,706
Issue date
May 28, 2019
Ricoh Company, Ltd.
Yoshimasa Miyazawa
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Ink discharge device and ink discharge method
Patent number
10,286,666
Issue date
May 14, 2019
Ricoh Company, Ltd.
Masahiko Ishikawa
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid discharge head including a filter and a supply channel, liqu...
Patent number
10,259,231
Issue date
Apr 16, 2019
Ricoh Company, Ltd.
Toshimichi Odaka
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid circulation apparatus and liquid discharge apparatus
Patent number
10,226,939
Issue date
Mar 12, 2019
Ricoh Company, Ltd.
Hiroshi Sawase
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid discharge head, liquid discharge device, and liquid discharg...
Patent number
10,207,509
Issue date
Feb 19, 2019
Ricoh Company, Ltd.
Toshimichi Odaka
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
Information
Patent Application
HEAD MODULE, IMAGE FORMING APPARATUS, AND LIQUID DISCHARGE APPARATUS
Publication number
20240173984
Publication date
May 30, 2024
Satomi ARAKI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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 DISCHARGE HEAD, LIQUID DISCHARGE UNIT, AND LIQUID DISCHARGE...
Publication number
20230302800
Publication date
Sep 28, 2023
Yudai YUMOTO
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID DISCHARGE HEAD, LIQUID DISCHARGE DEVICE, AND LIQUID DISCHARG...
Publication number
20230302798
Publication date
Sep 28, 2023
Satomi ARAKI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID DISCHARGE APPARATUS, DRIVE WAVEFORM GENERATION DEVICE, AND H...
Publication number
20230249455
Publication date
Aug 10, 2023
RICOH COMPANY, LTD.
Takahiro Yoshida
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID DISCHARGE APPARATUS, DRIVE WAVEFORM GENERATOR, AND HEAD DRIV...
Publication number
20230098478
Publication date
Mar 30, 2023
RICOH COMPANY, LTD.
Takahiro YOSHIDA
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 DISCHARGE HEAD, LIQUID DISCHARGE DEVICE, AND LIQUID DISCHARG...
Publication number
20220032621
Publication date
Feb 3, 2022
RICOH COMPANY, LTD.
Takahiro YOSHIDA
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 DISCHARGE APPARATUS, DRIVE WAVEFORM GENERATING DEVICE, AND H...
Publication number
20210001629
Publication date
Jan 7, 2021
RICOH COMPANY, LTD.
Takahiro YOSHIDA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID DISCHARGE HEAD INCLUDING SUPPLY AND DISCHARGE CHANNELS, LIQU...
Publication number
20200346457
Publication date
Nov 5, 2020
Junichi Iwata
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID DISCHARGE HEAD, LIQUID DISCHARGE DEVICE, AND LIQUID DISCHARG...
Publication number
20200331262
Publication date
Oct 22, 2020
Shiomi ANDOU
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 DISCHARGE HEAD, LIQUID DISCHARGE DEVICE, AND LIQUID DISCHARG...
Publication number
20200164644
Publication date
May 28, 2020
RICOH COMPANY, LTD.
Ryohta YONETA
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
INKJET RECORDING APPARATUS, PRINTER, AND METHOD FOR MANUFACTURING C...
Publication number
20200086652
Publication date
Mar 19, 2020
Masato IIO
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID DISCHARGE DEVICE AND LIQUID DISCHARGE APPARATUS
Publication number
20190283414
Publication date
Sep 19, 2019
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
20190263119
Publication date
Aug 29, 2019
Toshimichi Odaka
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID DISCHARGE HEAD, LIQUID DISCHARGE DEVICE, AND LIQUID DISCHARG...
Publication number
20190240978
Publication date
Aug 8, 2019
Koji KAWAHARA
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 DISCHARGE HEAD, LIQUID DISCHARGE DEVICE, AND LIQUID DISCHARG...
Publication number
20180272730
Publication date
Sep 27, 2018
Toshimichi ODAKA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID DISCHARGE HEAD, LIQUID DISCHARGE DEVICE, AND LIQUID DISCHARG...
Publication number
20180272709
Publication date
Sep 27, 2018
Junichi IWATA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID CIRCULATION APPARATUS AND LIQUID DISCHARGE APPARATUS
Publication number
20180272739
Publication date
Sep 27, 2018
RICOH COMPANY, LTD.
Hiroshi Sawase
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID CIRCULATING APPARATUS AND LIQUID EJECTING APPARATUS
Publication number
20180272740
Publication date
Sep 27, 2018
RICOH COMPANY, LTD.
Yukio OTOME
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID DISCHARGE HEAD, LIQUID DISCHARGE DEVICE, AND LIQUID DISCHARG...
Publication number
20180272743
Publication date
Sep 27, 2018
Takayuki Nakai
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
INKJET PRINTING DEVICE, INKJET PRINTING METHOD, AND INK
Publication number
20180178538
Publication date
Jun 28, 2018
Yoshimasa MIYAZAWA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
INKJET RECORDING APPARATUS, PRINTER, AND METHOD FOR MANUFACTURING C...
Publication number
20180154657
Publication date
Jun 7, 2018
Masato IIO
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
INK DISCHARGE DEVICE AND INK DISCHARGE METHOD
Publication number
20180126731
Publication date
May 10, 2018
Masahiko ISHIKAWA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS