Patents by Inventor Isao Imagawa

Isao Imagawa 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).

  • Spiral cutter for use in an electric razor and a method for manufacturing the cutter
    Patent number: 5197196
    Abstract: A spiral cutter for use in an electric razor in which the lower end of a band-shaped blade made of elastic material is embedded in the peripheral surface of a body with the band-shaped blade torsionally deformed. The spiral cutter is manufactured by the steps of: mounting a band-shaped blade made of an elastic material in a body molding die with the band-shaped blade torsionally deformed; molding a base; and removing a molded product from the body molding die after the body is molded.
    Type: Grant
    Filed: September 19, 1991
    Date of Patent: March 30, 1993
    Assignee: Kyushu Hitachi Maxell, Ltd.
    Inventors: Isao Imagawa, Hiroshi Takahashi, Masahiko Ochiai
  • Temperature measurement device
    Patent number: 4728199
    Abstract: In a temperature measurement device, output signals from a temperature measuring sensor having been stored in a recording element are displayed when a judging element detects that a manipulatable switch is closed. Temperature measurement is begun including displaying the temperature when said judging element detects that the switch is opened after it is closed.
    Type: Grant
    Filed: December 31, 1985
    Date of Patent: March 1, 1988
    Assignee: Kyushu Hitachi Maxell, Ltd.
    Inventors: Toshio Murai, Junzo Murata, Masahiro Hosono, Isao Imagawa