Patents by Inventor Kazuhiko Kaku

Kazuhiko Kaku 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: 6356093
    Abstract: A printed circuit board testing apparatus includes a first measuring system for determining a relative position between a circuit board carrying table and a test head with respect to two dimensions and an angular direction, a second measuring system for determining a relative position between the table and a circuit board carried by the table with respect to two dimensions and an angular direction, and a drive system for bringing the table and the test head into a first relative positional relationship for the testing of the circuit board in accordance with the relative positions determined by the first and second measuring systems.
    Type: Grant
    Filed: June 2, 1999
    Date of Patent: March 12, 2002
    Assignee: Nidec-Read Corporation
    Inventors: Hideo Nishikawa, Kazuhiko Kaku
  • Publication number: 20010050572
    Abstract: A printed circuit board testing apparatus includes a first measuring system for determining a relative position between a circuit board carrying table and a test head with respect to two dimensions and angular direction, a second measuring system for determining a relative position between the table and a circuit board carried by the table with respect to two dimensions and angular direction, and a drive system for bringing the table and test head into a first relative positional relationship for the testing of circuit board in accordance with the relative positions determined by the first and second measuring system.
    Type: Application
    Filed: June 2, 1999
    Publication date: December 13, 2001
    Inventors: HIDEO NISHIKAWA, KAZUHIKO KAKU