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:
Jun. 27, 2023
Filed:
Sep. 25, 2020
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Eiji Takagi, Shiojiri, JP;
Masanori Koizumi, Suwa, JP;
Shunya Komatsu, Matsumoto, JP;
Shuichi Nakano, Shiojiri, JP;
Masashi Kamiyanagi, Matsumoto, JP;
Toru Matsuyama, Matsumoto, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/045 (2006.01); B41J 2/165 (2006.01);
U.S. Cl.
CPC ...
B41J 2/04536 (2013.01); B41J 2/0451 (2013.01); B41J 2/16535 (2013.01); B41J 2002/16573 (2013.01);
Abstract
A print head assembled to a liquid ejecting apparatus ejecting a liquid with respect to a medium includes an ejecting portion ejecting the liquid in response to a drive signal and an electrically erasable non-volatile memory, and the non-volatile memory stores history information changing in accordance with an operation state of the print head.