Patents by Inventor Shiroh Sakamoto

Shiroh Sakamoto 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).

  • RFID system
    Patent number: 8120495
    Abstract: An RFID system according to the present invention includes an RFID antenna system including: a first antenna that can communicate with an external reader/writer; an antenna selector for connecting with the first antenna; and a plurality of second antennas that can connect with the first antenna in order via the antenna selector, each of the second antennas can communicate with an IC tag that is attached to an article placed in a region defined by the second antenna.
    Type: Grant
    Filed: August 25, 2008
    Date of Patent: February 21, 2012
    Assignee: International Business Machines Corporation
    Inventors: Kaoru Fukuda, Yoshinori Kimura, Tsuyoshi Matsueda, Hitoshi Nishino, Shiroh Sakamoto
  • RFID SYSTEM
    Publication number: 20090072949
    Abstract: An RFID system according to the present invention includes an RFID antenna system including: a first antenna that can communicate with an external reader/writer; an antenna selector for connecting with the first antenna; and a plurality of second antennas that can connect with the first antenna in order via the antenna selector, each of the second antennas can communicate with an IC tag that is attached to an article placed in a region defined by the second antenna.
    Type: Application
    Filed: August 25, 2008
    Publication date: March 19, 2009
    Inventors: Kaoru Fukuda, Yoshinori Kimura, Tsuyoshi Matsueda, Hitoshi Nishino, Shiroh Sakamoto