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:
Mar. 14, 2024
Jun Zhang, Kanagawa, JP;
Sho Kawakami, Kanagawa, JP;
Yasunori Sugimoto, Kanagawa, JP;
Toshihiro Kanematsu, Kanagawa, JP;
Kiyoshi Amari, Kanagawa, JP;
Jun Zhang, Kanagawa, JP;
Sho Kawakami, Kanagawa, JP;
Yasunori Sugimoto, Kanagawa, JP;
Toshihiro Kanematsu, Kanagawa, JP;
Kiyoshi Amari, Kanagawa, JP;
RICOH COMPANY, LTD., Tokyo, JP;
Abstract
A liquid discharge head includes: a nozzle plate having multiple nozzle holes from which a liquid is dischargeable, the multiple nozzle holes arrayed in a nozzle array direction; a housing bonded to the nozzle plate by a diffusion bonding to support the nozzle plate; multiple connecting portions: disposed on one of the nozzle plate or the housing; contacting the nozzle plate and the housing to bond the nozzle plate and the housing; arrayed in the nozzle array direction; and having a channel in each of the multiple connecting portions, the channel communicating with the nozzle holes; and a gap formed between one of the multiple connecting portions and another of the multiple connecting portions adjacent to the one of the multiple connecting portions.