Patents by Inventor Tomonori Ohno

Tomonori Ohno 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 controlling IC handler and control system using the same
    Patent number: 6690284
    Abstract: The step of comparing the pushing pressure developing when the pusher of a test hand presses an IC placed on the socket with the allowable press force calculated from the combined spring constant for the socket and IC, and the step of controlling the operation of the test hand at a pressure equal to or lower than the allowable press force on the basis of the result of the comparison are provided.
    Type: Grant
    Filed: February 28, 2002
    Date of Patent: February 10, 2004
    Assignee: Daito Corporation
    Inventors: Tomonori Ohno, Mitsugu Kurihara
  • Method of controlling IC handler and control system using the same
    Publication number: 20020080041
    Abstract: The step of comparing the pushing pressure developing when the pusher of a test hand presses an IC placed on the socket with the allowable press force calculated from the combined spring constant for the socket and IC, and the step of controlling the operation of the test hand at a pressure equal to or lower than the allowable press force on the basis of the result of the comparison are provided.
    Type: Application
    Filed: February 28, 2002
    Publication date: June 27, 2002
    Inventors: Tomonori Ohno, Mitsugu Kurihara
  • Method of controlling IC handler and control system using the same
    Patent number: 6384734
    Abstract: The step of comparing the pushing pressure developing when the pusher of a test hand presses an IC placed on the socket with the allowable press force calculated from the combined spring constant for the socket and IC, and the step of controlling the operation of the test hand at a pressure equal to or lower than the allowable press force on the basis of the result of the comparison are provided.
    Type: Grant
    Filed: August 28, 2000
    Date of Patent: May 7, 2002
    Assignee: Daito Corporation
    Inventors: Tomonori Ohno, Mitsugu Kurihara