Patents by Inventor Tosikazu Kawashima

Tosikazu Kawashima 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).

  • Illumination device including a detachable sensor
    Publication number: 20100020550
    Abstract: An illumination device includes an illumination lamp installed to a device housing, a sensor for use in controlling the lighting operation of the illumination lamp, and a sensor attachment unit through which the sensor is detachably attached to the device housing such that a sensing unit of the sensor is exposed to the outside. The illumination device further includes a decoration member for attachment to the sensor attachment unit when the sensor is not attached to the sensor attachment unit, the decoration member having substantially the same outward appearance as that of the sensor. The sensor and the decoration member are interchangeably attached to the sensor attachment unit.
    Type: Application
    Filed: July 21, 2009
    Publication date: January 28, 2010
    Applicant: Panasonic Electric Works Co., Ltd.
    Inventors: Tosikazu Kawashima, Atsuo Nanahara, Yuichi Ejiri