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:
Sep. 03, 2019
Filed:
Jan. 25, 2018
Takayuki Nakai, Kanagawa, JP;
Toshimichi Odaka, Kanagawa, JP;
Takakazu Kihira, Ibaraki, JP;
Takahiro Yoshida, Ibaraki, JP;
Shiomi Andou, Kanagawa, JP;
Yukio Otome, Ibaraki, JP;
Katsuya Ishii, Ibaraki, JP;
Takayuki Nakai, Kanagawa, JP;
Toshimichi Odaka, Kanagawa, JP;
Takakazu Kihira, Ibaraki, JP;
Takahiro Yoshida, Ibaraki, JP;
Shiomi Andou, Kanagawa, JP;
Yukio Otome, Ibaraki, JP;
Katsuya Ishii, Ibaraki, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A liquid discharge head includes a plurality of nozzles to discharge a liquid, a plurality of individual chambers communicating with the plurality of nozzles, a plurality of discharge channels communicating with the plurality of individual chambers, a plurality of supply-side common chambers connected to the plurality of individual chambers, and a plurality of discharge-side common chambers connected to the plurality of discharge channels. The plurality of discharge-side common chamber has a same fluid resistance.