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:
Apr. 16, 1996
Filed:
Oct. 03, 1994
Akira Goto, Yokohama, JP;
Kazuaki Masuda, Sagamihara, JP;
Takashi Watanabe, Yokohama, JP;
Kunihiko Maeoka, Kawasaki, JP;
Nobuyuki Kuwabara, Tokyo, JP;
Shigeaki Tanaka, Kawasaki, JP;
Masaaki Izumida, Kawasaki, JP;
Koichi Sato, Yokohama, JP;
Tsuguhiro Fukuda, Yokohama, JP;
Hiroshi Sugitani, Machida, JP;
Yoshifumi Hattori, Yamato, JP;
Masami Ikeda, Tokyo, JP;
Asao Saito, Yokohama, JP;
Akio Saito, Hadano, JP;
Tsuyoshi Orikasa, Kasukabe, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An ink jet head includes a first member provided with an ejection energy generating element for generating energy contributable to ejection of ink; a second member provided with a recess for defining an ink passage with a trapezoidal cross-section by being coupled with the first member, corresponding to the ejection energy generating element; and a third member provided with an ejection outlet which communicates with the ink passage and through which the ink is ejected.