Patents Assigned to Ishida Co.
  • Method of producing a load cell
    Patent number: 6684487
    Abstract: A load cell is constructed with several strain gauges. Each of the strain gauges are formed with a meandering conductive portion on a substrate or base member. Portions of the meandering conductive layer defines a predetermined tab ratio. The base member is formed with a predetermined amount of filler and the tab ratio is pre-determined such that the creep characteristic of the strain gauge is substantially zero in a load cell having a generally low rated load.
    Type: Grant
    Filed: October 12, 2001
    Date of Patent: February 3, 2004
    Assignee: Ishida Co.
    Inventors: Kazufumi Naito, Kenji Imai, Matsuo Zama, Naoki Sasaki