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:
Nov. 23, 2021
Filed:
Apr. 15, 2020
Applicant:
Ricoh Company, Ltd., Tokyo, JP;
Inventor:
Akihiro Fujita, Kanagawa, JP;
Assignee:
RICOH COMPANY, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/14 (2006.01); B41J 2/16 (2006.01);
U.S. Cl.
CPC ...
B41J 2/1433 (2013.01);
Abstract
A liquid discharge head includes a first member in which a plurality of channels is arrayed in a longitudinal direction of the first member, a second member bonded to the first member with adhesive, and three or more holes formed in a bonding region between the first member and the second member. An inner volume of each of the three or more holes is different, an area of each of the three or more holes is different, the three or more holes includes a hole having a smallest inner volume among the three or more holes, and the hole is filled with the adhesive in the bonding region.