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:
May. 21, 2019
Filed:
Mar. 15, 2017
Canon Kabushiki Kaisha, Tokyo, JP;
Takatsuna Aoki, Yokohama, JP;
Shuzo Iwanaga, Kawasaki, JP;
Seiichiro Karita, Saitama, JP;
Kazuhiro Yamada, Yokohama, JP;
Shingo Okushima, Kawasaki, JP;
Zentaro Tamenaga, Sagamihara, JP;
Akira Yamamoto, Yokohama, JP;
Tatsurou Mori, Yokohama, JP;
Noriyasu Nagai, Tokyo, JP;
Akio Saito, Machida, JP;
Masashi Hayashi, Yokohama, JP;
Takeshi Murase, Yokohama, JP;
Yuki Sawai, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
In order to keep possible local temperature differences in a liquid ejection head small to allow stable liquid ejection performance to be achieved, temperatures in a plurality of heating areas in a liquid ejection head are discretely controlled using heating elements and temperature detection elements.