Yuki NAGATSUKA

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Maintenance device, liquid discharge apparatus, maintenance method,...
- Patent number 11,667,121
- Issue date Jun 6, 2023
- Ricoh Company, Ltd.
- Yuki Nagatsuka
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid discharge apparatus and image forming apparatus
- Patent number 11,077,667
- Issue date Aug 3, 2021
- Ricoh Company, Ltd.
- Hiroshi Noda
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid discharge apparatus and control method
- Patent number 10,913,286
- Issue date Feb 9, 2021
- Ricoh Company, Ltd.
- Yuki Nagatsuka
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Supply channel member and liquid discharge apparatus
- Patent number 10,549,541
- Issue date Feb 4, 2020
- Ricoh Company, Ltd.
- Yuki Nagatsuka
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
MAINTENANCE DEVICE, LIQUID DISCHARGE APPARATUS, MAINTENANCE METHOD,...
- Publication number 20220105729
- Publication date Apr 7, 2022
- RICOH COMPANY, LTD.
- Yuki Nagatsuka
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LIQUID DISCHARGE APPARATUS AND CONTROL METHOD
- Publication number 20200101753
- Publication date Apr 2, 2020
- RICOH COMPANY, LTD.
- Yuki Nagatsuka
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LIQUID DISCHARGE APPARATUS AND IMAGE FORMING APPARATUS
- Publication number 20200070524
- Publication date Mar 5, 2020
- Hiroshi NODA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
SUPPLY CHANNEL MEMBER AND LIQUID DISCHARGE APPARATUS
- Publication number 20190217623
- Publication date Jul 18, 2019
- Yuki NAGATSUKA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS