Patents by Inventor Shinji Takachi

Shinji Takachi 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).

  • Adapter unit for adaptively supplying a portable radio telephone with power
    Patent number: 5584055
    Abstract: An adapter unit for adaptively supplying a portable radio unit with electric power is disclosed. When the portable radio unit being not powered by a rechargeable battery attached thereto or being not in a communication state is connected to the adapter unit, the first power supply circuit of the adapter unit supplies the rechargeable battery or the portable radio unit with power. When the portable radio unit being in the communication state is connected to the adapter unit, the second power supply circuit of the adapter unit supplies the portable radio unit through the rechargeable battery with power. Power supply capacity of the second power supply circuit is larger than that of the first power supply circuit.
    Type: Grant
    Filed: September 28, 1994
    Date of Patent: December 10, 1996
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kuniyoshi Murui, Goichi Sato, Takaaki Ishii, Shinji Takachi, Buntaro Sawa, Hiroshi Sato
  • Adapter unit for adaptively supplying a portable radio telephone with power
    Patent number: 5444867
    Abstract: An adapter unit for adaptively supplying a portable radio unit with electric power is disclosed. When the portable radio unit being not powered by a rechargeable battery attached thereto or being not in a communication state is connected to the adapter unit, the first power supply circuit of the adapter unit supplies the rechargeable battery or the portable radio unit with power. When the portable radio unit being in the communication state is connected to the adapter unit, the second power supply circuit of the adapter unit supplies the portable radio unit through the rechargeable battery with power. Power supply capacity of the second power supply circuit is larger than that of the first power supply circuit.
    Type: Grant
    Filed: January 9, 1992
    Date of Patent: August 22, 1995
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kuniyoshi Marui, Goichi Sato, Takaaki Ishii, Shinji Takachi, Buntaro Sawa, Hiroshi Sato
  • Radio telecommunication apparatus
    Patent number: 5437053
    Abstract: An apparatus stores a plurality of mobile identification numbers. When a user selects at least one of the stored mobile identification number and the apparatus receives a mobile identification number transmitted from a base unit, the received mobile identification number is compared to each selected mobile identification number. When the user does not select any of the stored mobile identification numbers and the apparatus receives a mobile identification number transmitted from the base unit, the received mobile identification number is compared to each of the stored mobile identification numbers. When the received mobile identification number coincides with one of the selected mobile identification number or one of the stored mobile identification numbers, the apparatus is enabled to communicate with the base unit.
    Type: Grant
    Filed: January 28, 1993
    Date of Patent: July 25, 1995
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Buntaro Sawa, Kuniyoshi Marui, Katsumi Shitara, Shinji Takachi