Patents by Inventor Hajime Hojo

Hajime Hojo 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).

  • Remote-controlled copying apparatus having facsimile interface unit
    Patent number: 5515171
    Abstract: A remote-controlled copying apparatus includes a main copying part, a storage unit for storing image signals from the main copying part, a facsimile part connected to a first telephone line for receiving image signals from an external facsimile unit and for transmitting the image signals of the storage unit to an external facsimile unit, a facsimile control part connected to a second telephone line for receiving a first tone signal from an external telephone unit after a ringing signal is received from the external telephone unit, and for repeatedly transmitting a set of control signals to the external telephone unit in response to the first tone signal, a first conversion part for converting a tone signal into a control signal so that the control signal is transmitted to the external telephone unit, a second conversion part for converting a control signal into a tone signal, and a control part for carrying out a remote control operation of the copying apparatus by controlling the facsimile control part in ac
    Type: Grant
    Filed: February 25, 1993
    Date of Patent: May 7, 1996
    Assignee: Ricoh Company, Ltd.
    Inventors: Wataru Nara, Midori Aida, Hajime Hojo, Kunio Hayakawa, Yutaka Hasegawa