Patents by Inventor Junichi Itsuji

Junichi Itsuji 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).

  • Method for forming a carbon resistance in a printed wiring board
    Patent number: 5151300
    Abstract: The method for forming a carbon resistance in a printed wiring board is characterized in that, in a method for forming a carbon resistance in the circuit of a printed wiring board, a carbon resistance to be disposed in the circuit which is formed in a laminated film is previously deposited on and correspondingly to the surface of said circuit, and the protective film of the carbon resistance of the laminated film is removed.
    Type: Grant
    Filed: April 9, 1991
    Date of Patent: September 29, 1992
    Assignee: Nippon CMK Corp.
    Inventor: Junichi Itsuji
  • Method for forming a carbon resistance in a printed wiring board
    Patent number: 5151299
    Abstract: The method for forming a carbon resistance in a printed wiring board comprises, in a method for forming a carbon resistance in the circuit of a printed wiring board,a process of depositing a thermoset carbon resistance layer coated on a laminated film on the surface of the circuit, a process of thermosetting the carbon resistance layer along the disposal position necessary for the circuit, and a process of removing the uncured layer of the carbon resistance layer from the circuit surface after the thermosetting process.
    Type: Grant
    Filed: April 9, 1991
    Date of Patent: September 29, 1992
    Assignee: Nippon CMK Corp.
    Inventor: Junichi Itsuji