Patents by Inventor Shoushi Kikkawa

Shoushi Kikkawa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5880749
    Abstract: A recording apparatus, which records on a recording medium by using a plurality of recording heads, includes: a carriage for moving the plurality of recording heads in a direction crossing the direction in which the recording medium is fed; and a control section which, when at least two of the plurality of recording heads are of the same recording color, performs recording by alternately using such recording heads for a predetermined number of lines, whereby the amounts of ink consumed by the plurality of recording heads are equalized to make the ink service lives of the recording heads substantially the same.
    Type: Grant
    Filed: January 21, 1994
    Date of Patent: March 9, 1999
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shoushi Kikkawa, Isao Tsukada, Manabu Kanazawa
  • Patent number: 5533822
    Abstract: According to the present invention, a feeding mechanism comprises feeding members to contact with a recording medium and exert a feeding force to the recording medium, holding portions for holding the feeding members in predetermined positions, and a shaft rotatively supported axially at both ends thereof. At least one portion of the shaft is in a tapering configuration to make its end side portion thinner, hence facilitating the mounting of the feeding member while maintaining the strength of the shaft member. The present invention is also directed to a recording apparatus including such a feeding mechanism.
    Type: Grant
    Filed: March 13, 1995
    Date of Patent: July 9, 1996
    Assignee: Canon Kabushiki Kaisha
    Inventors: Isao Tsukada, Manabu Kanazawa, Shoushi Kikkawa
  • Patent number: 5276466
    Abstract: Disclosed is a recording apparatus for recording information signals on a recording sheet. The apparatus includes a conveyance mechanism for conveying the sheet, a recording head reciprocating along the sheet for performing recording thereon, a driving power source for generating a driving force rotating in one direction which is used for reciprocating the recording head and for conveying the sheet by the conveyance mechanism, and a mechanism for inhibiting the conveyance of the sheet while the recording head is moving along the recording region of the sheet. The reciprocating operation of the recording head and the conveyance operation of the sheet are effected by a single motor.
    Type: Grant
    Filed: March 16, 1992
    Date of Patent: January 4, 1994
    Assignee: Canon Kabushiki Kaisha
    Inventors: Isao Tsukada, Manabu Kanazawa, Shoushi Kikkawa