Patents by Inventor Mahito Watanabe

Mahito Watanabe 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).

  • Illuminator for use in electronic component mounting apparatus and electronic component mounting apparatus having illuminator
    Patent number: 6496272
    Abstract: An illuminator includes: a first cylindrical member with a mirror-like inner surface formed to facilitate light reflection; a flat plate member having an aperture in its center; LEDs with trimmed distal ends and arranged in a circle along the periphery of the aperture; LEDs with trimmed distal ends and arranged in a circle along a circumferential direction of the first cylindrical member so as to be located on a lengthwise middle part of the inner surface of the cylindrical member; a second cylindrical member having an engagement portion engaged with the cylindrical member, LEDs with trimmed distal ends and arranged in a circle along a circumferential direction of the engagement portion; and a ring-shaped semitransparent diffusion plate. The illuminators illuminate a to-be-mounted component with light having a directivity.
    Type: Grant
    Filed: October 12, 1999
    Date of Patent: December 17, 2002
    Assignee: Yamagata Casio Co., Ltd.
    Inventor: Mahito Watanabe