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:
Jan. 02, 2018
Filed:
Sep. 22, 2016
Seiko Epson Corporation, Tokyo, JP;
Hidenao Suzuki, Nagano, JP;
Shoma Kudo, Nagano, JP;
Naomi Kimura, Nagano, JP;
Keigo Iizawa, Nagano, JP;
Masayuki Kanazawa, Nagano, JP;
Naofumi Mimura, Nagano, JP;
Keisuke Akimoto, Nagano, JP;
Ryusuke Takakura, Nagano, JP;
Soshi Okawa, Nagano, JP;
Munehide Kanaya, Nagano, JP;
Nobuyuki Nishi, Nagano, JP;
Satoshi Kawamura, Nagano, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
An ink tank includes a tank main body that is able to contain ink, an ink filling unit that is provided in the tank main body and has an opening which enables the tank main body to be filled with the ink, and a plurality of ribs that are provided around the ink filling unit of the tank main body and protrude from the tank main body. A clearance in which the ink is held due to a capillary force between the ribs is provided between two adjacent ribs among the plurality of ribs.