Patents by Inventor Nobuo Kenmotsu

Nobuo Kenmotsu 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).

  • Ink jet print head, method for manufacturing the same, and ink jet recording device
    Patent number: 5900894
    Abstract: An ink jet print head is disclosed which comprises: a head chip having a plurality of heating elements thereon, a flow passage forming member including a plurality of injection ports respectively corresponding to the heating elements for jetting out ink, a substrate for fixing the head chip, and a joint for supplying ink, wherein the substrate includes an opening so formed as to extend in the arrangement direction of the heating elements, the flow passage forming member is disposed so as to cover the opening from a position above the head chip, at least part of the joint is connected to the flow passage forming member, and ink supplied from the joint is supplied along the flow passage forming member to the heating elements disposed on the head chip.
    Type: Grant
    Filed: April 7, 1997
    Date of Patent: May 4, 1999
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Yukihisa Koizumi, Masahiko Fujii, Jun Takagi, Nobuo Kenmotsu, Masaki Kataoka, Masayoshi Tamai