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. 19, 2020
Filed:
Jun. 12, 2018
Canon Kabushiki Kaisha, Tokyo, JP;
Shin Ishimatsu, Yokohama, JP;
Toshiaki Hirosawa, Hiratsuka, JP;
Genji Inada, Koshigaya, JP;
Hiromasa Amma, Kawasaki, JP;
Shogo Kawamura, Kawasaki, JP;
Yasuhiko Osaki, Kamakura, JP;
Takuya Iwano, Inagi, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A liquid ejection head includes an element substrate including an energy-generating element that applies ejection energy to liquid, a first electric wiring board electrically connected to the element substrate, and a second electric wiring board on which an integrated circuit element is mounted and which is electrically connected to the first electric wiring board. An electric signal is supplied to the integrated circuit element mounted on the second electric wiring board through the first electric wiring board, processed by the integrated circuit element, and supplied to the energy-generating element through the second electric wiring board and the first electric wiring board.