Patents Assigned to Koy Machine Industries Co., Ltd.
  • Patent number: 6726525
    Abstract: A double side grinding apparatus comprises a pair of grinding wheels (4), work rotating device (1) and moving device (2).
    Type: Grant
    Filed: August 28, 2001
    Date of Patent: April 27, 2004
    Assignees: Shin-Estu Handotai Co., Ltd., Koy Machine Industries Co., Ltd.
    Inventors: Tadahiro Kato, Shunichi Ikeda, Kenji Ohkura