Katsuya Ishii

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Liquid discharge head, liquid discharge device, and liquid discharg...
- Patent number 10,179,452
- Issue date Jan 15, 2019
- Ricoh Company, Ltd.
- Masami Iwama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
LIQUID DISCHARGE HEAD, LIQUID DISCHARGE DEVICE, AND LIQUID DISCHARG...
- Publication number 20180272743
- Publication date Sep 27, 2018
- Takayuki Nakai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS