Patents by Inventor Takeshi Tonegawa

Takeshi Tonegawa 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).

  • Casing for display device
    Patent number: 4582210
    Abstract: A casing for a display device of the tipless type is disclosed which is capable of being readily manufactured, and allowing a display device to have a good space factor and exhibit excellent display characteristics. The casing comprises a casing body formed with an evacuation hole and a plate lid member arranged to sealingly close the evacuation hole by means of an oxide solder layer when the casing is evacuated.
    Type: Grant
    Filed: July 3, 1984
    Date of Patent: April 15, 1986
    Assignee: Futaba Denshi Kogyo K.K.
    Inventors: Kiyoshi Morimoto, Shigeo Itoh, Hiroshi Watanabe, Mikio Yokoyama, Takeshi Tonegawa