Liquid ejection unit and liquid ejection device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11904308
APP PUB NO 20210162742A1
SERIAL NO

17103155

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A liquid ejection unit includes: a liquid holding section which has an ejection port through which a liquid is ejected and which holds the liquid; a pressure adjustment section which is configured to adjust a pressure of a liquid held in the liquid holding section; and a displacement member which is configured to displace at least a part of the liquid whose pressure is adjusted and eject the liquid from the liquid holding section.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
RICOH COMPANY LTD3-6 NAKAMAGOME 1-CHOME OHTA-KU TOKYO 143-8555

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Muramatsu, Koichi Kanagawa, JP 24 146

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