The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 14, 2026
Filed:
Dec. 22, 2023
Eiri Sagae, Kanagawa, JP;
Tomoko Kurosawa, Kanagawa, JP;
Makito Nakashima, Kanagawa, JP;
Toshihiro Kanematsu, Kanagawa, JP;
Eiri Sagae, Kanagawa, JP;
Tomoko Kurosawa, Kanagawa, JP;
Makito Nakashima, Kanagawa, JP;
Toshihiro Kanematsu, Kanagawa, JP;
RICOH COMPANY, LTD., Tokyo, JP;
Abstract
A liquid discharge head includes: a discharge port through which a liquid is discharged in a discharge direction; a valve body to openably close the discharge port; and a driver coupled to the valve body to move the valve body in the discharge direction, wherein the valve body includes: an elastic member including: a first elastic portion having a first elastic modulus; and a second elastic portion having a second elastic modulus different from the first elastic modulus, the elastic member to contact the discharge port to close the discharge port; and a core attached to the elastic member to support the elastic member.