Patents by Inventor Takeya Oikawa

Takeya Oikawa 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).

  • Radio communication apparatus having a plurality of identification codes
    Patent number: 6041244
    Abstract: In a radio communication apparatus having a plurality of identification codes, one of the plurality of identification codes is selected in a calling process. In this case, a particular one of the plurality of identification codes can be selected from (i) a plurality of identification codes stored in a memory of the radio communication apparatus, (ii) a plurality of identification codes stored in a memory of the radio communication apparatus and a memory attached detachably to the radio communication apparatus, and (iii) a plurality of identification codes stored in a plurality of memories attached detachably to the radio communication apparatus.
    Type: Grant
    Filed: August 5, 1998
    Date of Patent: March 21, 2000
    Assignee: Casio Computer Co., Ltd.
    Inventors: Kazuyasu Yamane, Takeya Oikawa, Tomohiro Niimi
  • Communication apparatus containing plurality of identification codes and operable for specific user based on identification code and private information stored in detachable recording medium
    Patent number: 5996028
    Abstract: This invention relates to a radio communication terminal having a detachable memory for storing private information and, more particularly, to a terminal designed to manage the private information stored in a memory in the terminal by using a detachable memory. The identification number of the detachable memory mounted in the radio communication terminal in the previous operation is stored in the terminal. In using the radio communication terminal the next time, if the identification number of the detachable memory mounted in the terminal does not coincide with the previous identification number, the private information stored in the memory in the terminal is cleared. In addition, the identification number of a permitted detachable memory is stored in the memory in the terminal to inhibit the use of a memory having an identification number other than the above identification number.
    Type: Grant
    Filed: March 28, 1997
    Date of Patent: November 30, 1999
    Assignee: Casio Computer Co., Ltd.
    Inventors: Tomohiro Niimi, Takeya Oikawa, Tutomu Hasegawa, Masahiko Kondo
  • Radio communication apparatus having a plurality of identification codes
    Patent number: 5884200
    Abstract: In a radio communication apparatus having a plurality of identification codes, one of the plurality of identification codes is selected in a calling process. In this case, a particular one of the plurality of identification codes can be selected from (i) a plurality of identification codes stored in a memory of the radio communication apparatus, (ii) a plurality of identification codes stored in a memory of the radio communication apparatus and a memory attached detachably to the radio communication apparatus, and (iii) a plurality of identification codes stored in a plurality of memories attached detachably to the radio communication apparatus.
    Type: Grant
    Filed: March 27, 1997
    Date of Patent: March 16, 1999
    Assignee: Casio Computer Co., Ltd.
    Inventors: Kazuyasu Yamane, Takeya Oikawa, Tomohiro Niimi