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Tomoaki HAYASHI
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Liquid ejection apparatus, liquid ejection system, and liquid eject...
Patent number
11,618,250
Issue date
Apr 4, 2023
Ricoh Company, Ltd.
Tsuyoshi Nagasu
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Conveyance apparatus and image forming apparatus
Patent number
11,584,144
Issue date
Feb 21, 2023
Ricoh Company, Ltd.
Mitsunobu Gohda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid ejection apparatus, liquid ejection system, and liquid eject...
Patent number
11,535,031
Issue date
Dec 27, 2022
Ricoh Company, Ltd.
Mitsunobu Gohda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Conveying apparatus and image forming apparatus
Patent number
11,179,952
Issue date
Nov 23, 2021
Ricoh Company, Ltd.
Tomoaki Hayashi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Image forming apparatus
Patent number
11,052,686
Issue date
Jul 6, 2021
Ricoh Company, Ltd.
Tomoaki Hayashi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Transfer apparatus, liquid ejection apparatus, reading apparatus, i...
Patent number
10,946,640
Issue date
Mar 16, 2021
Ricoh Company, Ltd.
Taiichi Katoh
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid ejection apparatus, liquid ejection system, and liquid eject...
Patent number
10,836,154
Issue date
Nov 17, 2020
Ricoh Company, Ltd.
Tsuyoshi Nagasu
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid ejection apparatus, liquid ejection system, and liquid eject...
Patent number
10,814,622
Issue date
Oct 27, 2020
Ricoh Company, Ltd.
Mitsunobu Gohda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Conveyance device, conveyance system, and head unit control method
Patent number
10,744,756
Issue date
Aug 18, 2020
Ricoh Company, Ltd.
Mitsunobu Gohda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Detector, image forming apparatus, reading apparatus, and adjustmen...
Patent number
10,675,899
Issue date
Jun 9, 2020
Ricoh Company, Ltd.
Takeo Shirato
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Conveyance device, conveyance system, and head control method
Patent number
10,632,770
Issue date
Apr 28, 2020
Ricoh Company, Ltd.
Masahiro Mizuno
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Recording device discharge position adjustor and image forming appa...
Patent number
10,427,423
Issue date
Oct 1, 2019
Richoh Company, Ltd.
Tsuyoshi Nagasu
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Image forming apparatus, image forming system, and position adjustm...
Patent number
10,334,130
Issue date
Jun 25, 2019
Ricoh Company, Ltd.
Masayuki Sunaoshi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Liquid ejection apparatus, liquid ejection system, and liquid eject...
Patent number
10,207,494
Issue date
Feb 19, 2019
Ricoh Company, Ltd.
Tsuyoshi Nagasu
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Device for reducing output deviation in liquid crystal display driv...
Patent number
6,104,364
Issue date
Aug 15, 2000
NEC Corporation
Tomoaki Hayashi
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Demineralizer
Patent number
4,563,272
Issue date
Jan 7, 1986
Yamato Scientific Co., Ltd.
Naoki Yoshida
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Patents Applications
last 30 patents
Information
Patent Application
LIQUID DISCHARGE APPARATUS AND DETECTION METHOD
Publication number
20230109757
Publication date
Apr 13, 2023
RICOH COMPANY, LTD.
Mitsunobu Gohda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID EJECTION APPARATUS, LIQUID EJECTION SYSTEM, AND LIQUID EJECT...
Publication number
20230088949
Publication date
Mar 23, 2023
RICOH COMPANY, LTD.
Mitsunobu GOHDA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
CONVEYANCE APPARATUS AND IMAGE FORMING APPARATUS
Publication number
20220169048
Publication date
Jun 2, 2022
RICOH COMPANY, LTD.
Mitsunobu Gohda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID EJECTION APPARATUS, LIQUID EJECTION SYSTEM, AND LIQUID EJECT...
Publication number
20210023837
Publication date
Jan 28, 2021
RICOH COMPANY, LTD.
Tsuyoshi NAGASU
G01 - MEASURING TESTING
Information
Patent Application
LIQUID EJECTION APPARATUS, LIQUID EJECTION SYSTEM, AND LIQUID EJECT...
Publication number
20210008879
Publication date
Jan 14, 2021
RICOH COMPANY, LTD.
Mitsunobu GOHDA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20200298596
Publication date
Sep 24, 2020
Tomoaki HAYASHI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
CONVEYING APPARATUS AND IMAGE FORMING APPARATUS
Publication number
20200290376
Publication date
Sep 17, 2020
RICOH COMPANY, LTD.
Tomoaki HAYASHI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID EJECTION APPARATUS, LIQUID EJECTION SYSTEM, AND LIQUID EJECT...
Publication number
20200171846
Publication date
Jun 4, 2020
RICOH COMPANY, LTD.
Tomoaki HAYASHI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID EJECTION APPARATUS, LIQUID EJECTION SYSTEM, AND LIQUID EJECT...
Publication number
20200171854
Publication date
Jun 4, 2020
RICOH COMPANY, LTD.
Masayuki SUNAOSHI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
TRANSFER APPARATUS, LIQUID EJECTION APPARATUS, READING APPARATUS, I...
Publication number
20200171816
Publication date
Jun 4, 2020
RICOH COMPANY, LTD.
Taiichi KATOH
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID EJECTION APPARATUS, LIQUID EJECTION SYSTEM, AND LIQUID EJECT...
Publication number
20190143675
Publication date
May 16, 2019
RICOH COMPANY, LTD.
Tsuyoshi NAGASU
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
DETECTOR, IMAGE FORMING APPARATUS, READING APPARATUS, AND ADJUSTMEN...
Publication number
20180361766
Publication date
Dec 20, 2018
RICOH COMPANY, LTD.
Takeo Shirato
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
CONVEYANCE DEVICE, CONVEYANCE SYSTEM, AND HEAD UNIT CONTROL METHOD
Publication number
20180272694
Publication date
Sep 27, 2018
RICOH COMPANY, LTD.
Mitsunobu GOHDA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
IMAGE FORMING APPARATUS, IMAGE FORMING SYSTEM, AND POSITION ADJUSTM...
Publication number
20180270366
Publication date
Sep 20, 2018
RICOH COMPANY, LTD.
Masayuki Sunaoshi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CONVEYANCE DEVICE, CONVEYANCE SYSTEM, AND HEAD CONTROL METHOD
Publication number
20180236794
Publication date
Aug 23, 2018
RICOH COMPANY, LTD.
Masahiro Mizuno
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID EJECTION APPARATUS, LIQUID EJECTION SYSTEM, AND LIQUID EJECT...
Publication number
20170266965
Publication date
Sep 21, 2017
RICOH COMPANY, LTD.
Mitsunobu GOHDA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID EJECTION APPARATUS, LIQUID EJECTION SYSTEM, AND LIQUID EJECT...
Publication number
20170182764
Publication date
Jun 29, 2017
RICOH COMPANY, LTD.
Tsuyoshi NAGASU
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID EJECTION APPARATUS, LIQUID EJECTION SYSTEM, AND LIQUID EJECT...
Publication number
20170165961
Publication date
Jun 15, 2017
RICOH COMPANY, LTD.
Tomoaki HAYASHI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID EJECTION APPARATUS, LIQUID EJECTION SYSTEM, AND LIQUID EJECT...
Publication number
20170165960
Publication date
Jun 15, 2017
RICOH COMPANY, LTD.
Masayuki SUNAOSHI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
RECORDING DEVICE DISCHARGE POSITION ADJUSTOR AND IMAGE FORMING APPA...
Publication number
20160121602
Publication date
May 5, 2016
RICOH COMPANY, LTD.
Tsuyoshi NAGASU
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS