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:
Sep. 15, 2026
Filed:
Oct. 03, 2024
Seiko Epson Corporation, Tokyo, JP;
Takumi Nagashima, Matsumoto, JP;
Yoshihiro Koizumi, Shiojiri, JP;
Tadahiro Mizutani, Shiojiri, JP;
Shun Oya, Kiso-machi, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
Provided is an aspect as an ink cartridge to be mounted to a printing machine including an ink introduction portion. The ink cartridge includes a containing portion configured to contain ink, a bottom wall being one of wall surfaces forming the ink cartridge and forming an opening portion through which the ink introduction portion is inserted, a sealing portion formed as a part of the bottom wall and having a shape configured to close the opening portion, a separation portion provided at a boundary between the sealing portion and the bottom wall, the separation portion configured to make the sealing portion removable from the bottom wall, and an ink supply portion configured to supply the ink contained in the containing portion to the printing machine when the ink introduction portion is inserted through the opening portion exposed by removing the sealing portion from the bottom wall by the separation portion.