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:
Mar. 31, 2009
Filed:
Mar. 02, 2006
Satoshi Shinada, Nagano, JP;
Fujio Akahane, Nagano, JP;
Minoru Usui, Nagano, JP;
Takao Kobayashi, Nagano, JP;
Makoto Matsuzaki, Nagano, JP;
Satoshi Shinada, Nagano, JP;
Fujio Akahane, Nagano, JP;
Minoru Usui, Nagano, JP;
Takao Kobayashi, Nagano, JP;
Makoto Matsuzaki, Nagano, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
An ink cartridge for detachable mounting in an insertion direction on an ink jet printing apparatus having an ink supply needle communicating with a print head, includes a bottom wall, plural side walls, an ink supply port in the bottom wall to engage the ink supply needle as the ink cartridge moves in an insertion direction, a circuit board formed on a side wall adjacent to the bottom wall, and electrodes on the circuit board, each electrode having at least one contact region, the contact regions being divided into groups respectively arranged at intervals in the insertion direction. Part of one contact region located in a center of one of the groups of contact regions is disposed on the ink supply port's central line, and a semiconductor storage device is located on the circuit board and is in electrical communication with at least some contact regions.