Patents by Inventor Junichi Hada

Junichi Hada 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).

  • Component detection method
    Patent number: 5825914
    Abstract: It is intended to accurately detect the centerline or center of electronic component by relieving effects of brightness or darkness or the like caused by the shape or color of the component, irregularity on the surface or how illuminance is projected on the component through statistical processing.
    Type: Grant
    Filed: July 11, 1996
    Date of Patent: October 20, 1998
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Yasutaka Tsuboi, Junichi Hada, Masamichi Morimoto
  • Apparatus for binarizing image signals
    Patent number: 5166986
    Abstract: An apparatus for converting image signals into binary signals is disclosed. The apparatus comprises: a binarizing section for binarizing image signals; a connectivity distribution section for obtaining connectivities between pixels from binary signals and for producing a connectivity distribution; and a judging section for, from connectivity distributions obtained with different binary levels, judging the level at which the frequencies of maximum and minimum connectivities are highest and the sum of the frequencies of intermediate connectivities is minimal.
    Type: Grant
    Filed: May 14, 1990
    Date of Patent: November 24, 1992
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Seiji Mizuoka, Kazumasa Okumura, Akira Kobayashi, Junichi Hada