Patents by Inventor Uchiyama Yoshinori

Uchiyama Yoshinori 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).

  • Signal light unit having heat dissipating function
    Patent number: 4729076
    Abstract: A heat sink, made of a highly heat-conductive material is placed on the back of a circuit board upon the front of which many LEDs are arrayed as the signal light source. The heat sink, generally formed as an aggregate of a number of fins, need not necessarily be fitted in one piece with the back face of the board but may be indirectly connected to the back face of the board with a heat absorber being placed between the heat sink and the back face of the board.
    Type: Grant
    Filed: September 15, 1986
    Date of Patent: March 1, 1988
    Inventors: Tsuzawa Masami, Tominaga Muneharu, Uchiyama Yoshinori, Waki Osamu, Kato Hiroshi, Morikawa Tadahiro