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:
Aug. 18, 2020
Filed:
Jun. 28, 2019
Canon Kabushiki Kaisha, Tokyo, JP;
Mitsunori Toshishige, Kawasaki, JP;
Kenji Takahashi, Yokohama, JP;
Shiro Sujaku, Kawasaki, JP;
Daisuke Otsuka, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A liquid ejection head is equipped with a substrate having therethrough a supply path to be supplied with a liquid, a top plate placed opposite to the substrate, having an ejection orifice for ejecting the liquid and constituting, between the top plate and the substrate, a flow path communicated with the supply path and the ejection orifice and a columnar member extending from the top plate to the inside of the supply path through the flow path. An end surface of the columnar member positioned in the supply path is tilted relative to the top plate in a direction away from the ejection orifice.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile