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. 07, 2014
Filed:
Oct. 17, 2012
Canon Kabushiki Kaisha, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A method of manufacturing a liquid ejection head includes: defining a first imaginary reference line along the longitudinal direction of a base member and measuring the distances between the first imaginary reference line and at least two liquid supply port portions of a liquid supply port row, including defining a second imaginary reference line passing the liquid supply port portion at the shortest distance from the first imaginary reference line and the liquid supply port portion at the longest distance from the first imaginary reference line respectively from among the at least two liquid supply port portions and defining the second imaginary reference line between two imaginary lines parallel to the first imaginary reference line.