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:
Aug. 19, 2025
Filed:
Aug. 17, 2023
Yuki Fujimura, Kanagawa, JP;
Toshiaki Masuda, Kanagawa, JP;
Yuki Fujimura, Kanagawa, JP;
Toshiaki Masuda, Kanagawa, JP;
RICOH COMPANY, LTD., Tokyo, JP;
Abstract
A liquid discharge head includes: a first substrate having a joint region; a sheet member having a first face joined to the first substrate with a joining agent applied to the joint region of the first substrate; and a second substrate joined to a second face opposite to the first face of the sheet member and the first substrate, the sheet member interposed between the first substrate and the second substrate, wherein the second substrate has a gap facing the second face of the sheet member opposite to a portion of the first face of the sheet member joined to the joint region of the first substrate across the sheet member.