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. 03, 2012
Filed:
May. 28, 2008
Applicants:
Kazunari Ishizuka, Suntou-gun, JP;
Shimpei Otaka, Yokohama, JP;
Isao Imamura, Kawasaki, JP;
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
A liquid discharge head comprises a discharge port forming member having formed therein a discharge port arranged corresponding to an energy generating element which generates energy to eject a liquid and a flow path forming member for forming a flow path to supply ink to the discharge port. At least one of the discharge port forming member and the flow path forming member is made of a cured material of a composition containing an epoxy resin and a phenol resin having a higher oxygen equivalent than that of the epoxy resin.