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:
Oct. 14, 2025
Filed:
Feb. 22, 2023
Canon Kabushiki Kaisha, Tokyo, JP;
Sari Ito, Tochigi, JP;
Noriyasu Hasegawa, Tochigi, JP;
Yuichi Iwasaki, Tochigi, JP;
Takahiro Hosokawa, Tochigi, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A liquid discharge apparatus has a storage portion configured to store a discharged material, a discharge port configured to communicate with the storage portion and discharge the discharged material stored in the storage portion, and a pressure control device configured to control a pressure of the discharged material stored in the storage portion. The pressure control device controls the pressure of the discharged material to shift from a first negative pressure state, to a second negative pressure state of a greater negative pressure than the first negative pressure state, and then to a third positive pressure state.