Takumi OHISO 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).
Abstract: A timepiece includes a dial plate, and a solar battery which is disposed on a rear side of the dial plate. The dial plate is provided with grooves or ridges. The grooves or the ridges have portions where inclination angles with regard to a normal line of the dial plate are different, and due to this, light which is transmitted through the dial plate is incident from a plurality of directions with angles which are different with regard to the solar battery.
Abstract: A timepiece includes a dial plate and a solar battery which is disposed on a rear surface side of the dial plate. The dial plate has an area larger than the solar battery. The solar battery is encompassed by the dial plate in a planar view. The dial plate is provided with grooves or ridges which have a function of condensing incident light.
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