Patents by Inventor Akiyoshi Kondo

Akiyoshi Kondo 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).

  • Fluorescent lamp
    Patent number: 4338544
    Abstract: A fluorescent lamp comprising a glass envelope contains a mixed gas of a mercury gas and at least one kind selected from neon, xenon and krypton or a mixture of said mixed gas and argon. A transparent electroconductive film is formed on the inner surface of said glass envelope; an aluminum oxide film is formed on said transparent electroconductive film, and a phosphor film is formed on the aluminum oxide film, in which an amount of the deposit of said aluminum oxide film per unit deposition area is equal to or greater than 2.6.times.10.sup.-2 mg/cm.sup.2.
    Type: Grant
    Filed: March 6, 1980
    Date of Patent: July 6, 1982
    Assignee: Tokyo Shibaura Denki Kabushiki Kaisha
    Inventors: Akitoshi Komiya, Toshiharu Yagi, Akiyoshi Kondo