Patents by Inventor Masayuki Morozumi

Masayuki Morozumi 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 head having nozzle plate employing sheet adhesive material having small holes for use in ink jet printers
    Patent number: 5439728
    Abstract: An ink jet head wherein a sheet-shaped adhesive member, including ink escape holes and deformation preventive holes and spacers for preventing the ink escape holes from being deformed, is situated between a nozzle member and a chamber member, each having small holes corresponding in location to the ink escape holes of the sheet-shaped adhesive member. Having been bonded together by heating and pressurization, the three members form an integrated member for use in the print head of an ink jet printer.
    Type: Grant
    Filed: August 20, 1992
    Date of Patent: August 8, 1995
    Assignee: Seiko Epson Corporation
    Inventors: Masayuki Morozumi, Akira Takizawa