Tsutoh Aoyama

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Liquid discharge head, liquid discharge device, liquid discharge ap...
- Patent number 11,981,135
- Issue date May 14, 2024
- Ricoh Company, Ltd.
- Tsutoh Aoyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid discharge head, head module, liquid discharge device, and li...
- Patent number 10,759,175
- Issue date Sep 1, 2020
- Ricoh Company, Ltd.
- Toshiaki Masuda
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Electromechanical transducer, droplet ejection head, and method for...
- Patent number 9,196,821
- Issue date Nov 24, 2015
- Ricoh Company, Ltd.
- Tsutoh Aoyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
ACTUATOR, LIQUID DISCHARGE HEAD, LIQUID DISCHARGE APPARATUS, AND ME...
- Publication number 20240140095
- Publication date May 2, 2024
- RICOH COMPANY, LTD.
- Tsutoh Aoyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LIQUID DISCHARGE HEAD, LIQUID DISCHARGE DEVICE, LIQUID DISCHARGE AP...
- Publication number 20230037253
- Publication date Feb 2, 2023
- Tsutoh AOYAMA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LIQUID DISCHARGE HEAD, HEAD MODULE, LIQUID DISCHARGE DEVICE, AND LI...
- Publication number 20190270310
- Publication date Sep 5, 2019
- RICOH COMPANY, LTD.
- Toshiaki MASUDA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
PIEZOELECTRIC ACTUATOR, FLUID DISCHARGE HEAD, AND IMAGE FORMING DEVICE
- Publication number 20150070444
- Publication date Mar 12, 2015
- RICOH COMPANY, LTD.
- Masahiro Ishimori
- B82 - NANO-TECHNOLOGY
Information Patent Application
ELECTROMECHANICAL TRANSDUCER, DROPLET EJECTION HEAD, AND METHOD FOR...
- Publication number 20150022592
- Publication date Jan 22, 2015
- RICOH COMPANY, LTD.
- Tsutoh Aoyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS