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:
Sep. 01, 2026
Filed:
May. 15, 2024
Canon Kabushiki Kaisha, Tokyo, JP;
Jun Yasutani, Kanagawa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
There are provided a circulation path which can supply printing material to a printing element board having nozzle capable of ejecting printing material and collect printing material not ejected from the printing element board, an acquisition unit which acquires information on concentration of printing material circulating through the circulation path, and a discharge control unit which executes discharge control of printing material concentration in which printing material is discharged from the circulation path and the circulation path is supplied with an amount of printing material corresponding to a discharge amount according to the information on concentration. In a case where the discharge control is executed, the discharge control unit selectively executes one of first discharge control in which a discharge amount of printing material concentration is a first discharge amount and second discharge control in which the discharge amount is a second discharge amount greater than the first discharge amount.