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:
Mar. 22, 2011
Filed:
Jun. 18, 2008
Akihisa Saikawa, Tokyo, JP;
Yoshiyuki Toge, Yokohama, JP;
Akihisa Saikawa, Tokyo, JP;
Yoshiyuki Toge, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An ink jet recording head includes an ejection outlet array including a plurality of ejection outlets; an ink flow path portion in fluid communication with the ejection outlets to supply ink to the ejection outlets; a recording element substrate provided with the ejection outlet array, the ink flow path portion and a plurality of ejection heat generating resistors, provided correspondingly to the ejection outlets, for generating thermal energy for ejecting ink; a first warming heat generating resistor which is provided in lower layers of the ejecting heat generating resistors and which is extended below the ink flow path portion; and a second warming heat generating resistor provided in an outer peripheral portion of the recording element substrate.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile