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Norimasa SOHGAWA
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Droplet discharging apparatus and driving waveform control method
Patent number
11,331,914
Issue date
May 17, 2022
Ricoh Company, Ltd.
Norimasa Sohgawa
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid discharge head and liquid discharge apparatus
Patent number
11,305,546
Issue date
Apr 19, 2022
Ricoh Company, Ltd.
Norimasa Sohgawa
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid discharging apparatus and image forming system
Patent number
11,117,370
Issue date
Sep 14, 2021
Ricoh Company, Ltd.
Norimasa Sohgawa
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid discharge apparatus and method for controlling liquid discharge
Patent number
10,946,647
Issue date
Mar 16, 2021
Ricoh Company, Ltd.
Norimasa Sohgawa
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid tank, liquid circulation device, and liquid discharge apparatus
Patent number
10,875,317
Issue date
Dec 29, 2020
Ricoh Company, Ltd.
Norimasa Sohgawa
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid discharge apparatus
Patent number
10,864,722
Issue date
Dec 15, 2020
Ricoh Company, Ltd.
Ryuuta Katoh
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Drive waveform generating device, liquid discharge apparatus, and h...
Patent number
10,780,691
Issue date
Sep 22, 2020
Ricoh Company, Ltd.
Norimasa Sohgawa
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid discharge head, liquid discharge device, and liquid discharg...
Patent number
10,730,292
Issue date
Aug 4, 2020
Ricoh Company, Ltd.
Tomohiko Kohda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Fluid tank with flexible membrane for a flow-through printhead
Patent number
10,647,125
Issue date
May 12, 2020
Ricoh Company, Ltd.
Norimasa Sohgawa
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid discharge head, liquid discharge device, and liquid discharg...
Patent number
10,022,963
Issue date
Jul 17, 2018
Ricoh Company, Ltd.
Tomohiko Kohda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Device to discharge liquid and head driving method
Patent number
9,643,414
Issue date
May 9, 2017
Ricoh Company, Ltd.
Norimasa Sohgawa
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Image processing apparatus, non-transitory computer-readable medium...
Patent number
9,576,342
Issue date
Feb 21, 2017
Ricoh Company, Ltd.
Norimasa Sohgawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Image processing apparatus, computer-readable recording medium, and...
Patent number
9,396,417
Issue date
Jul 19, 2016
Ricoh Company, Ltd.
Norimasa Sohgawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Image forming apparatus, image forming method, and computer-readabl...
Patent number
9,108,432
Issue date
Aug 18, 2015
Ricoh Company, Limited
Norimasa Sohgawa
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
Information
Patent Application
LIQUID DISCHARGE HEAD AND LIQUID DISCHARGE APPARATUS
Publication number
20210146692
Publication date
May 20, 2021
Norimasa SOHGAWA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
DROPLET DISCHARGING APPARATUS AND DRIVING WAVEFORM CONTROL METHOD
Publication number
20210094291
Publication date
Apr 1, 2021
RICOH COMPANY, LTD.
Norimasa SOHGAWA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID DISCHARGE APPARATUS AND METHOD FOR CONTROLLING LIQUID DISCHARGE
Publication number
20200171819
Publication date
Jun 4, 2020
RICOH COMPANY, LTD.
Norimasa SOHGAWA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID TANK, LIQUID CIRCULATION DEVICE, AND LIQUID DISCHARGE APPARATUS
Publication number
20200147973
Publication date
May 14, 2020
RICOH COMPANY, LTD.
Norimasa SOHGAWA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID DISCHARGING APPARATUS AND IMAGE FORMING SYSTEM
Publication number
20200101726
Publication date
Apr 2, 2020
RICOH COMPANY, LTD.
Norimasa SOHGAWA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
DRIVE WAVEFORM GENERATING DEVICE, LIQUID DISCHARGE APPARATUS, AND H...
Publication number
20190283411
Publication date
Sep 19, 2019
RICOH COMPANY, LTD.
Norimasa SOHGAWA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID DISCHARGE APPARATUS
Publication number
20190283413
Publication date
Sep 19, 2019
Ryuuta KATOH
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID DISCHARGE HEAD, LIQUID DISCHARGE DEVICE, AND LIQUID DISCHARG...
Publication number
20190270308
Publication date
Sep 5, 2019
Yasuhiro Watanabe
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID DISCHARGE HEAD, LIQUID DISCHARGE DEVICE, AND LIQUID DISCHARG...
Publication number
20180290446
Publication date
Oct 11, 2018
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
20170129245
Publication date
May 11, 2017
RICOH COMPANY, LTD.
Tomohiko KOHDA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
DEVICE TO DISCHARGE LIQUID AND HEAD DRIVING METHOD
Publication number
20170066236
Publication date
Mar 9, 2017
RICOH COMPANY, LTD.
Norimasa SOHGAWA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND COMPUTER-R...
Publication number
20150306891
Publication date
Oct 29, 2015
RICOH COMPANY, LTD.
Norimasa Sohgawa
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
IMAGE PROCESSING APPARATUS, NON-TRANSITORY COMPUTER-READABLE MEDIUM...
Publication number
20150254505
Publication date
Sep 10, 2015
RICOH COMPANY, LTD.
Norimasa Sohgawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
IMAGE PROCESSING APPARATUS, COMPUTER-READABLE RECORDING MEDIUM, AND...
Publication number
20150242726
Publication date
Aug 27, 2015
RICOH COMPANY, LTD.
Norimasa SOHGAWA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND COMPUTER-READABL...
Publication number
20140313254
Publication date
Oct 23, 2014
Norimasa SOHGAWA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS