Patents by Inventor Yuji Kuramitsu

Yuji Kuramitsu 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).

  • Patent number: 5032088
    Abstract: A guide structure for a multicontact connector which includes a first member having a plurality of first contacts on the underside thereof, a connector housing mounted on a second member and having a plurality of second contacts, a base frame fixed to the second member and surrounding the connector housing, a guide frame having an opening for receiving and retaining the connector housing and having a plurality of guide pins, and a plurality of guide holes formed in the underside of the first member and respectively receiving the plurality of guide pins of the guide frame to enable engagement of the plurality of first contacts with the plurality of second contacts.
    Type: Grant
    Filed: December 27, 1989
    Date of Patent: July 16, 1991
    Assignee: NEC Corporation
    Inventor: Yuji Kuramitsu
  • Patent number: 4781244
    Abstract: A cooling system for an electronic system comprises a connector mounted on a panel and an integrated circuit package removably connected to the connector by a mounting frame. A layer of heat conductive bonding material is provided between the package and a heat conductive member which is removably secured to a water-cooling heat exchanger. A plurality of guide posts are secured to the panel for holding the heat exchanger. Each guide post is formed with an externally threaded portion which engages with a thumb nut. A coil spring is provided between each thumb nut and the heat exchanger to exert a predetermined amount of contact pressure between the connector and package and take the weight of the heat exchanger.
    Type: Grant
    Filed: February 25, 1987
    Date of Patent: November 1, 1988
    Assignee: NEC Corporation
    Inventors: Yuji Kuramitsu, Yukio Yamaguchi
  • Patent number: D368076
    Type: Grant
    Filed: May 2, 1995
    Date of Patent: March 19, 1996
    Assignee: NEC Corporation
    Inventors: Yuji Kuramitsu, Kazuo Maruyama, Hiroyuki Tsuzuki, Eiji Hori, Hiromu Sano, Toshiaki Mizushima
  • Patent number: D370212
    Type: Grant
    Filed: May 2, 1995
    Date of Patent: May 28, 1996
    Assignee: NEC Corporation
    Inventors: Yuji Kuramitsu, Kazuo Maruyama, Hiroyuki Tsuzuki, Eiji Hori, Hiromu Sano, Keigo Kawasaki
  • Patent number: D429721
    Type: Grant
    Filed: December 2, 1998
    Date of Patent: August 22, 2000
    Assignee: NEC Corporation
    Inventors: Hiroyuki Tsuzuki, Masatsugu Murakami, Isao Takahashi, Shinji Mine, Yuji Kuramitsu, Takuji Katsutani