Hiroshi Takahagi

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Liquid supply device, liquid discharge device, and liquid discharge...
- Patent number 11,571,898
- Issue date Feb 7, 2023
- Ricoh Company, Ltd.
- Hiroshi Takahagi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink-jet recording head and ink-jet recording apparatus having the same
- Patent number 9,004,656
- Issue date Apr 14, 2015
- Ricoh Company, Ltd.
- Hiroshi Takahagi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
LIQUID SUPPLY DEVICE, LIQUID DISCHARGE DEVICE, AND LIQUID DISCHARGE...
- Publication number 20220024211
- Publication date Jan 27, 2022
- RICOH COMPANY, LTD.
- Hiroshi TAKAHAGI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INK-JET RECORDING HEAD AND INK-JET RECORDING APPARATUS HAVING THE SAME
- Publication number 20140063138
- Publication date Mar 6, 2014
- RICOH COMPANY, LTD.
- Hiroshi Takahagi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS