Ryuuta Katoh

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Kanagawa, JP

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Patents Grantslast 30 patents

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
Liquid ejection apparatus, inkjet system, and flushing method
- Patent number 9,931,849
- Issue date Apr 3, 2018
- Ricoh Company, Ltd.
- Ryuuta Katoh
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image formation apparatus, method for examining discharge of transp...
- Patent number 9,290,005
- Issue date Mar 22, 2016
- Ricoh Company, Ltd.
- Yoshitaka Akiyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

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 APPARATUS
- Publication number 20190217620
- Publication date Jul 18, 2019
- RICOH COMPANY, LTD.
- Ryuuta KATOH
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LIQUID EJECTION APPARATUS, INKJET SYSTEM, AND FLUSHING METHOD
- Publication number 20170203570
- Publication date Jul 20, 2017
- RICOH COMPANY, LTD.
- Ryuuta KATOH
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LIQUID DISCHARGE APPARATUS
- Publication number 20160355012
- Publication date Dec 8, 2016
- RICOH COMPANY, LTD.
- Ryuuta KATOH
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE FORMATION APPARATUS, METHOD FOR EXAMINING DISCHARGE OF TRANSP...
- Publication number 20160075146
- Publication date Mar 17, 2016
- RICOH COMPANY, LTD.
- Yoshitaka Akiyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS