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. 26, 2026
Filed:
Sep. 02, 2021
Applicant:
Unijet Co., Ltd., Gyeonggi-do, KR;
Inventors:
Seog Soon Kim, Gyeonggi-do, KR;
Sung Jin Lee, Seoul, KR;
Assignee:
UNIJET CO., LTD., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/04 (2006.01); B41J 2/045 (2006.01); B41J 11/00 (2006.01);
U.S. Cl.
CPC ...
B41J 2/0456 (2013.01); B41J 2/04535 (2013.01); B41J 2/04571 (2013.01); B41J 11/00214 (2021.01);
Abstract
An ink drop measurement pad is for measuring volumes and positions of inkjet drops that are sprayed and dropped in a constant volume from nozzles of a head of an inkjet device. The ink drop measurement pad includes a pattern part including a plurality of groove portions arranged at pitch intervals corresponding to those of a plurality of head nozzles and wall portions formed between the groove portions. The groove portions are uniformly formed so as to have the same cross-section throughout an entire longitudinal direction thereof.