Patents Represented by Attorney Stroock & Stroock & Lavar

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  • Ink cartridge for ink jet recording device
    Patent number: 6905199
    Abstract: An ink cartridge for an ink jet recording device, includes: a container having an ink supply port; at least two ink chambers partitioned in the container, one being located substantially in an upper section and the other being located substantially in a lower section; an ink suction passage connecting a bottom region of the lower section ink chamber to a bottom region of the upper section ink chamber; and a negative pressure generating mechanism provided to a flow passage connecting the upper section ink chamber to the ink supply port.
    Type: Grant
    Filed: April 29, 2004
    Date of Patent: June 14, 2005
    Assignee: Seiko Epson Corporation
    Inventors: Hisashi Miyazawa, Yasuto Sakai, Satoshi Shinada, Atsushi Kobayashi