Patents by Inventor Hisaharu Nishii

Hisaharu Nishii 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).

  • Surveying system using GPS
    Patent number: 5734348
    Abstract: A survey system is provided having GPS receivers and using a global positioning system. A reference station main body is provided for surveying; and a plurality of GPS survey apparatuses are provided. They include at least a reference station and a measuring station. The reference station main body has a coordinate composite conversion unit which composes a composite coordinate value of a single coordinate system from GPS data input via an input portion and reference station data measured at the reference station main body. An output device outputs the coordinate value composed by the coordinate composite conversion unit.
    Type: Grant
    Filed: August 30, 1996
    Date of Patent: March 31, 1998
    Assignee: Nikon Corporation
    Inventors: Shigeru Aoki, Hiroshi Kishimoto, Yuichi Igarashi, Hisaharu Nishii