Patents by Inventor Tatsuo Koga

Tatsuo Koga 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).

  • Virtual shop system and method of controlling the same
    Publication number: 20050222920
    Abstract: A customer operates a customer terminal to visit a virtual shop on the Internet. In the virtual shop a clerk operates a terminal having a monitor, which for example displays a period of time elapsing while pages of commodities a-d, respectively, are each browsed at customer terminals indicated by names for indication A, B, C, D.
    Type: Application
    Filed: March 7, 2005
    Publication date: October 6, 2005
    Inventors: Toyomi Yamagata, Tatsuo Koga, Akira Yoshimoto