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:
Nov. 20, 2007
Filed:
Jan. 08, 2007
Kazuhiko Okito, Kanagawa, JP;
Keiichiro Tsukuda, Kanagawa, JP;
Kazuhiko Okito, Kanagawa, JP;
Keiichiro Tsukuda, Kanagawa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An ink jet recording head having a recording element substrate including three or more discharge port arrays comprising a plurality of discharge ports and recording elements for discharging ink from the discharge ports and supplying heat to areas around the discharge ports; wherein each of the discharge port arrays matches one or another of a plurality of types of ink whose viscosity decreases with a rise in temperature, and the discharge port arrays matching the most viscous of the inks to be discharged being arranged between other discharge port arrays to enable ink drips to be discharged stably, and an ink jet recording apparatus using the same are to be provided.