Patents by Inventor Einosuke Adachi

Einosuke Adachi 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 of preparing a large-current printed circuit board
    Patent number: 5381598
    Abstract: A method of preparing a large-current printed circuit board comprises inserting a fastener with a bottom flange in a through-hole formed in a printed circuit board so that the bottom flange is engaged with a surface of the printed circuit board, putting a washer having substantially the same outer diameter so the flange around the fastener at the other surface of the board, forming a radial extension at the outer side of the washer by caulking the fastener, whereby the fastener is fixed to the printed circuit board by means of the radial extension and the bottom flange wherein the washer is interposed between the radial extension and the printed circuit board.
    Type: Grant
    Filed: June 4, 1993
    Date of Patent: January 17, 1995
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Einosuke Adachi, Yasumichi Hatanaka, Kiroyuki Nakajima, Satoru Hayashi
  • Method of fastening a busbar to a large-current printed circuit board
    Patent number: 5263247
    Abstract: A method of preparing a large-current printed circuit board comprises inserting a fastener with a bottom flange in a through-hole formed in a printed circuit board so that the bottom flange is engaged with a surface of the printed circuit board, putting a washer having substantially the same outer diameter so the flange around the fastener at the other surface of the board, forming a radial extension at the outer side of the washer by caulking the fastener, whereby the fastener is fixed to the printed circuit board by means of the radial extension and the bottom flange wherein the washer is interposed between the radial extension and the printed circuit board.
    Type: Grant
    Filed: August 3, 1992
    Date of Patent: November 23, 1993
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Einosuke Adachi, Yasumichi Hatanaka, Hiroyuki Nakajima, Satoru Hayashi
  • Printed circuit board with busbar interconnections
    Patent number: 5065283
    Abstract: Printed circuit boards with busbars for providing large current interconnections are disclosed. The printed circuit board 6 has through holes through each of which a cylindrical fixture member 12 having a top nut portion 12b extends to be secured to the board 6 by means of the bottom flange 12p and the radial outward extension 12a formed by a pressing or caulking step. Each one of the leads 4 of circuit elements 3 has a pin-shaped end portion having a male thread 4a formed thereon which engages with the nut portion 12b of a fixture member, wherein the pin-shaped portion 4a of each lead extends through a through hole formed in the busbars 1 so that the busbars 1 are securely held between the fixture members 12 and the stoppers (radial extensions) 4b formed at the base of the pin-shaped portions 4a of the leads 4. Alternatively, the busbars 1 are held between two radial outward extensions 12a and 12A of each one of the fixture member (FIG.
    Type: Grant
    Filed: June 12, 1990
    Date of Patent: November 12, 1991
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Einosuke Adachi, Takashi Takahama, Hiroyuki Nakajima, Tutomu Kazama, Satoru Hayashi, Kikuo Sakita