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:
Mar. 31, 2020
Filed:
Dec. 17, 2018
Canon Kabushiki Kaisha, Tokyo, JP;
Yoshiyuki Nakagawa, Kawasaki, JP;
Shintaro Kasai, Yokohama, JP;
Akiko Hammura, Tokyo, JP;
Shinji Kishikawa, Tokyo, JP;
Takayuki Sekine, Kawasaki, JP;
Shuzo Iwanaga, Kawasaki, JP;
Takatsugu Moriya, Tokyo, JP;
Koichi Ishida, Tokyo, JP;
Tatsuya Yamada, Kawasaki, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A liquid discharge head includes a recording element configured to generate thermal energy and a discharge orifice disposed at a position facing the recording element. A bubble is generated in liquid by the thermal energy, liquid between the bubble and the discharge orifice is discharged from the discharge orifice by the pressure of the generated bubble, and the bubble communicates with the atmosphere on the outside of the discharge orifice.