Patents by Inventor Kazuo Hiiro

Kazuo Hiiro 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).

  • Electrode for measurement of ionic activity, sensor film therefor and method for manufacture thereof
    Patent number: 4168219
    Abstract: An electrode for the measurement of ionic activity, having a sensor film made preponderantly of a substance sensitive to the ion subjected to measurement and Urushi (Japanese lacquer). The sensor film of said electrode is manufactured by a method which comprises mixing the aqueous solution of said sensitive substance with Urushi (Japanese lacquer), molding the resultant mixture and causing the molded mixture to set.
    Type: Grant
    Filed: March 29, 1978
    Date of Patent: September 18, 1979
    Assignee: Agency of Industrial Science & Technology, Ministry of International Trade & Industry
    Inventors: Kazuo Hiiro, Akinori Kawahara, Takashi Tanaka