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:
Jun. 21, 2011
Filed:
Nov. 07, 2007
Masaki Oikawa, Inagi, JP;
Mineo Kaneko, Tokyo, JP;
Ken Tsuchii, Sagamihara, JP;
Toru Yamane, Yokohama, JP;
Keiji Tomizawa, Yokohama, JP;
Mitsuhiro Matsumoto, Yokohama, JP;
Shuichi Ide, Tokyo, JP;
Kansui Takino, Kawasaki, JP;
Naozumi Nabeshima, Tokyo, JP;
Masaki Oikawa, Inagi, JP;
Mineo Kaneko, Tokyo, JP;
Ken Tsuchii, Sagamihara, JP;
Toru Yamane, Yokohama, JP;
Keiji Tomizawa, Yokohama, JP;
Mitsuhiro Matsumoto, Yokohama, JP;
Shuichi Ide, Tokyo, JP;
Kansui Takino, Kawasaki, JP;
Naozumi Nabeshima, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An ink jet recording head and an ink jet recording apparatus are provided to prevent occurrence of a white line or recording unevenness due to a head tilt, and realize a high image quality recording. For this purpose, in a recording head provided with nozzles ejecting three types of droplets, a large droplet, medium droplet and small droplet, nozzles are configured such that no nozzles are arranged on the same line at the centers thereof in the main scanning direction.