Patents by Inventor Tamihiro Izumi

Tamihiro Izumi 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).

  • Attendance Management System
    Publication number: 20080272905
    Abstract: There is provided an attendance management system capable of easily checking attendance without requiring a special procedure or an individual authentication card or an attendance permission card. The attendance management system (100) includes a desk (103) having an identifier which can be imaged, a mobile telephone (102) having the camera function, and a center device (101) for checking attendance according to the identifier of the desk (103) and an identifier of the mobile telephone (102) transmitted from the mobile telephone (102). According to the identifier of the desk and the identifier of the mobile telephone, it is possible to check which student (mobile telephone) is present at which lesson (desk). Thus, it is possible to easily check attendance.
    Type: Application
    Filed: March 31, 2005
    Publication date: November 6, 2008
    Applicant: Matsushita Electric Industrial Co., Ltd.
    Inventors: Nobutoshi Higaki, Masahiko Tamura, Tamihiro Izumi, Kazumi Endo, Osamu Kato, Akihiro Oyama