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Ryota CHIBA
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Saitama, JP
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Patents Grants
last 30 patents
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Patent Grant
Liquid discharge head, method for producing the same, liquid discha...
Patent number
10,589,528
Issue date
Mar 17, 2020
Ricoh Company, Ltd.
Tatsuya Sameshima
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
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Patent Application
LIQUID DISCHARGE HEAD, METHOD FOR PRODUCING THE SAME, LIQUID DISCHA...
Publication number
20190283427
Publication date
Sep 19, 2019
Tatsuya SAMESHIMA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS