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:
Jul. 30, 2019
Filed:
Dec. 28, 2017
Brother Kogyo Kabushiki Kaisha, Nagoya-shi, Aichi-ken, JP;
Shuhei Suzuki, Nagoya, JP;
Takashi Kanzaki, Nagoya, JP;
Brother Kogyo Kabushiki Kaisha, Nagoya-shi, Aichi-ken, JP;
Abstract
A fluid ejection apparatus is disclosed. One apparatus includes a first head chip and a second head chip. The first head chip includes nozzle groups A, A, Band C. The second head chip includes nozzle groups D, E, Eand F. The nozzle groups A, A, B, C, D, E, Eand F eject fluid at an average usage rates A, A, B, C, D, E, Eand F, respectively. The average usage rate Ais smaller than the average usage rate A. The average usage rate Bis smaller than the average usage rate A. The average usage rate C is smaller than the average usage rate A. The average usage rate Dis smaller than the average usage rate E. The average usage rate Eis smaller than the average usage rate E. The average usage rate F is smaller than the average usage rate E