Patents by Inventor Masakazu Yanagiya

Masakazu Yanagiya 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).

  • Socket with a lamp without a metallic base
    Patent number: 5209668
    Abstract: A contact strip for use with lamp socket devices where an electrical connection is made by the contact strip between a lamp lead and a circuit board conducting surface when the contact strip is assembled in a lamp socket device and mounted on the circuit board. At least one welding area at which a lead of a lamp is welded during assembly of the contact strip in a lamp socket device is provided. The contact strip includes upper and lower electricity receiving strip portions for receiving a circuit board therebetween and for making electrical contact with at least one of upper and lower conducting surfaces of the circuit board.
    Type: Grant
    Filed: February 11, 1992
    Date of Patent: May 11, 1993
    Assignee: Moriyama Sangyo Kabushiki Kaisha
    Inventors: Masato Higano, Munehiko Yanagida, Tetsuya Sato, Masakazu Yanagiya
  • Electric lamp
    Patent number: D334243
    Type: Grant
    Filed: March 19, 1991
    Date of Patent: March 23, 1993
    Assignee: Moriyama Sangyo Kabushiki Kaisha
    Inventors: Masato Higano, Masakazu Yanagiya, Tetuya Sato, Munehiko Yanagida