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:
Jan. 01, 2013
Filed:
Aug. 06, 2010
Kenji Fujii, Hiratsuka, JP;
Kazuhiro Asai, Kawasaki, JP;
Makoto Watanabe, Yokohama, JP;
Yoshinori Tagawa, Yokohama, JP;
Yoshiyuki Imanaka, Kawasaki, JP;
Yuuji Tamaru, Yokohama, JP;
Kousuke Kubo, Kawasaki, JP;
Kenji Fujii, Hiratsuka, JP;
Kazuhiro Asai, Kawasaki, JP;
Makoto Watanabe, Yokohama, JP;
Yoshinori Tagawa, Yokohama, JP;
Yoshiyuki Imanaka, Kawasaki, JP;
Yuuji Tamaru, Yokohama, JP;
Kousuke Kubo, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A liquid discharge head includes a substrate and a flow path wall member provided on the substrate and having a wall defining a flow path connected to a discharge port for discharging liquid. The flow path wall member is provided with a cavity not connected to the flow path, when viewed in a direction from the discharge port toward the substrate, the cavity has a shape of a character, and the character corresponds to information regarding the liquid discharge head.