Patents by Inventor Hisao Shigenaga

Hisao Shigenaga 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).

  • Patent number: 5554984
    Abstract: An electronic traffic tariff reception system can identify a vehicle traveling freely on a road having a plurality of lanes clearly and impose a predetermined debit value on the vehicle in the non-stop manner and in the cashless manner. Further, the system can photograph an image of an illegally passing vehicle. A vehicle identification apparatus can identify the vehicles traveling freely on the road having the plurality of lanes separately in a control point of the reception system. An in-vehicle unit equipped with a smart card is mounted in a vehicle. An antenna for debiting process capable of performing radio communication with the in-vehicle unit is provided. Also provided are an antenna controller for causing the antenna for the debiting process to receive personal information and vehicle information, a local controller for judging whether the information is normal or not or whether the vehicle is to be debited or not, and an apparatus for photographing an illegally passing vehicle.
    Type: Grant
    Filed: February 15, 1994
    Date of Patent: September 10, 1996
    Assignee: Mitsubishi Jukogyo Kabushiki Kaisha
    Inventors: Hisao Shigenaga, Ichiro Fujita, Masayuki Yamamoto, Michio Hamana, Keiichi Morishita, Fumitoshi Tachikawa, Hideo Uehara, Yasuhisa Iida