Patents by Inventor Hiroshi Highuchi

Hiroshi Highuchi 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).

  • METHOD OF MANUFACTURING AN OPTICAL FILTER FOR AN ILLUMINANCE SENSOR
    Publication number: 20130000355
    Abstract: Provided is a method of manufacturing an optical filter for an illuminance sensor, which has spectral characteristics close to human luminosity characteristics, has high detection accuracy, and can be manufactured at low cost. The method includes the steps of: (a) punching a glass; (b) feeding a small piece of glass (7) having a filter effect; (c) softening the small piece of glass (7); and (d) abrading.
    Type: Application
    Filed: May 15, 2012
    Publication date: January 3, 2013
    Inventors: Sadao Oku, Hiroyuki Fujita, Koji Tsukagoshi, Keiichiro Hayashi, Hitoshi Kamamori, Hiroshi Highuchi