Patents by Inventor Shoji Orikasa

Shoji Orikasa 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).

  • Metal vapor discharge lamp
    Patent number: 4439711
    Abstract: A meal vapor discharge lamp having an outer jacket, the inside wall of which is covered by a fluorescent layer comprising at least one red emitting phosphor whose emission peak is in a wavelength range of 610-630 nm and whose luminescence forms a line, said lamp containing an arc tube within the confines of said outer jacket which encloses zinc and/or cadmium in addition to mercury as the main luminous components.
    Type: Grant
    Filed: August 27, 1980
    Date of Patent: March 27, 1984
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Katsuo Murakami, Isao Shoda, Hitoshi Kodama, Shoji Orikasa, Hiroshi Ito