Patents by Inventor Hitoshi Nishimura

Hitoshi Nishimura 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: 5416317
    Abstract: A visual line detecting device having an eyeball lighting unit that irradiates the eyeball of a viewer with a luminous flux, and a visual line detecting unit that detects the visual line of a viewer from the reflected image on the cornea surface of the eyeball, wherein the eyeball lighting unit is designed so that the reflected image on the cornea surface attains a specified shape.
    Type: Grant
    Filed: January 31, 1994
    Date of Patent: May 16, 1995
    Assignee: Nikon Corporation
    Inventors: Hitoshi Nishimura, Toshimi Watanabe
  • Patent number: 4456807
    Abstract: An induction heating type cooking appliance is adapted to heat a pan by induction heating. An input unit includes touch control keys and has a timer function so that the power supply is turned on only when at least two keys are actuated properly within a given length of time. Alarms are operatively associated with the timer function so as to alert the operator automatically when the pan is shifted or the appliance is operated under a no-load condition. Such an induction heating type cooking appliance therefore enjoys a high degree of safety.
    Type: Grant
    Filed: September 9, 1982
    Date of Patent: June 26, 1984
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Yoshio Ogino, Takao Kobayashi, Yuji Tsuda, Hitoshi Nishimura