Patents by Inventor Masakuni Kumazawa

Masakuni Kumazawa 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).

  • Longitudinal profile measuring apparatus
    Patent number: 6618954
    Abstract: A longitudinal profile measuring apparatus including a relative distance meter located on a frame supported by more than two wheels in a row in a direction of a measuring line for measuring relative distance to a target surface, a moving distance meter for measuring moving distance of movement along the measuring line on the target surface, and a data processing unit for finding spatial data, which shows a rough profile of the target surface, along the measuring line from the relative distance measured by the relative distance meter.
    Type: Grant
    Filed: May 29, 2001
    Date of Patent: September 16, 2003
    Assignee: Tokimec Construction Systems Inc.
    Inventors: Masakuni Kumazawa, Mutsumi Takahashi, Takehiko Suyama, Tatsuyuki Ochi
  • Longitudinal profile measuring apparatus
    Publication number: 20020007562
    Abstract: A longitudinal profile measuring apparatus including a relative distance meter located on a frame supported by more than two wheels in a row in a direction of a measuring line for measuring relative distance to a target surface, a moving distance meter for measuring moving distance of movement along the measuring line on the target surface, and a data processing unit for finding spatial data, which shows a rough profile of the target surface, along the measuring line from the relative distance measured by the relative distance meter.
    Type: Application
    Filed: May 29, 2001
    Publication date: January 24, 2002
    Inventors: Masakuni Kumazawa, Mutsumi Takahashi, Takehiko Suyama, Tatsuyuki Ochi