Seiko Epson Corporation

Takayuki Iljima

Satoshi Shinada

Hisashi Miyazawa

Minoru Usui

Hitoshi Matsumoto

Takeo Seino

Tsuyoshi Kitahara

Takahiro Naka

Takao Kobayashi

Noriaki Okazawa

Masahiro Kanai

Tetsu Nakayama

Hisashi Koike

Wataru Suzuki

Emi Akahane

Yasuhiro Ogura

Mikinobu Abe

Yasushi Akatsuka

Daisuke Imai

Yasuko Hirano

Katsumi Tohgoh

Printer

An ink cartridge for an ink jet printer having a housing having at least one wall. The ink cartridge further has at least two ink chambers for containing different ink accommodated in the housing. Ink supply ports are formed in one wall of the housing within each of the ink chambers. Each of the ink supply ports has an inner opening and an outer opening. The distance from the inner opening of a first ink supply port to that of a second ink supply port adjacent to the first ink supply port is different from a second distance from the outer opening of the first ink supply opening to that of the second ink supply port.

Ink cartridge for ink-jet printing apparatus

Growing community of inventors

Nagano, Japan

Takayuki Iljima