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Kouichi Nakano
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Ibaraki, JP
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Patents Grants
last 30 patents
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Patent Grant
Liquid discharge head and liquid discharge apparatus
Patent number
11,633,952
Issue date
Apr 25, 2023
Ricoh Company, Ltd.
Kouichi Nakano
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid discharge head and liquid discharge apparatus
Patent number
10,576,742
Issue date
Mar 3, 2020
Ricoh Company, Ltd.
Takakazu Kihira
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
Information
Patent Application
LIQUID DISCHARGE HEAD AND LIQUID DISCHARGE APPARATUS
Publication number
20220080732
Publication date
Mar 17, 2022
Kouichi NAKANO
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID DISCHARGE HEAD AND LIQUID DISCHARGE APPARATUS
Publication number
20190224974
Publication date
Jul 25, 2019
Takakazu KIHIRA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS