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. 15, 2021
Filed:
Feb. 04, 2020
Applicant:
Toshiba Tec Kabushiki Kaisha, Tokyo, JP;
Inventor:
Masashi Seki, Sunto Shizuoka, JP;
Assignee:
TOSHIBA TEC KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/14 (2006.01); B41J 2/16 (2006.01); B41J 2/01 (2006.01);
U.S. Cl.
CPC ...
B41J 2/1433 (2013.01); B41J 2/01 (2013.01); B41J 2/14 (2013.01); B41J 2/14209 (2013.01); B41J 2/1606 (2013.01); B41J 2/1621 (2013.01);
Abstract
An ink jet head includes a nozzle plate base including a plurality of nozzles. A liquid repellent film is formed on a surface of the nozzle plate base. The liquid repellent film comprises a polymeric compound formed of repeating units with a cyclic structure. A portion of the repeating units with the cyclic structure are ring-opened.