Patents by Inventor Yoshiro Takagi

Yoshiro Takagi 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: 6442107
    Abstract: A luminous wristwatch capable of exhibiting a sense of play and ensuring safety of a wearer of the wristwatch. The luminous wristwatch includes a watch face and a belt member each provided thereon with a plurality of light emitters which carry out luminescence upon feeding of electricity thereto. The watch face and belt member each are formed to be light-permeable so that luminescence of the light emitters may be externally visible therethrough. Also, the luminous wristwatch includes a watch body which is provided with an operation button and a control section for controlling on-off operation of the light emitters upon operation of the operation button.
    Type: Grant
    Filed: April 21, 2000
    Date of Patent: August 27, 2002
    Assignee: Takara Co., Ltd.
    Inventor: Yoshiro Takagi