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).
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.
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.
September 9, 1982
Date of Patent:
June 26, 1984
Matsushita Electric Industrial Co., Ltd.