Patents by Inventor Sumio Honma

Sumio Honma 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).

  • Method for measuring level of large structure
    Patent number: 4894924
    Abstract: Displacement sensors which are communicated with a stationary reference side are placed at the measuring points of a large structure. Displacement at each measuring point is electrically measured by utilizing the fact that the liquid levels at the stationary reference side and each measuring point are at the same level.
    Type: Grant
    Filed: November 23, 1988
    Date of Patent: January 23, 1990
    Assignee: Ishikawajima Kensa Keisoku Kabushiki Kaisha
    Inventors: Takenori Nakanishi, Sumio Honma, Takao Nishizawa, Takuo Mizutani