Patents by Inventor Makio Nobayashi

Makio Nobayashi 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 and recording apparatus
    Patent number: 6905202
    Abstract: The ink-jet head of this invention includes a nozzle plate in which a nozzle is formed; a pressure chamber part in which a pressure chamber charged with an ink is formed; an ink passage part in which an ink supplying passage for supplying the ink to the pressure chamber is formed; a piezoelectric actuator for applying a pressure to the pressure chamber for discharging the ink from the nozzle; a damper wall for separating the ink supplying passage from an air chamber; and a communicating hole for communicating the air chamber with the atmospheric air.
    Type: Grant
    Filed: February 21, 2003
    Date of Patent: June 14, 2005
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Keisuke Shimamoto, Makio Nobayashi
  • Ink-jet head and recording apparatus
    Publication number: 20030231230
    Abstract: The ink-jet head of this invention includes a nozzle plate in which a nozzle is formed; a pressure chamber part in which a pressure chamber charged with an ink is formed; an ink passage part in which an ink supplying passage for supplying the ink to the pressure chamber is formed; a piezoelectric actuator for applying a pressure to the pressure chamber for discharging the ink from the nozzle; a damper wall for separating the ink supplying passage from an air chamber; and a communicating hole for communicating the air chamber with the atmospheric air.
    Type: Application
    Filed: February 21, 2003
    Publication date: December 18, 2003
    Inventors: Keisuke Shimamoto, Makio Nobayashi