Patents by Inventor Kenzo Ashiuchi

Kenzo Ashiuchi 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).

  • Flat envelope type fluorescent character indicating tube with getter shield plate
    Patent number: 4045703
    Abstract: In a flat type fluorescent character indicating tube wherein a plurality of digit indicating elements are arranged in an evacuated envelope, there is provided a getter support structure located adjacent one end of the envelope. The getter support structure includes a shield plate extending toward the inner surface of the envelope to minimize distribution of the getter film toward the location of the digit indicating elements. At least one filament is extended above the digit indicating elements and its one end is secured to the getter support structure at a location beyond the shield plate.
    Type: Grant
    Filed: December 13, 1976
    Date of Patent: August 30, 1977
    Assignee: Tokyo Shibaura Electric Co., Ltd.
    Inventors: Yasamasu Mori, Kenzo Ashiuchi, Osamu Yasytome, Tagayasu Sawamura