Patents by Inventor Tatsuo Komoto

Tatsuo Komoto 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: 6139225
    Abstract: An underground continuous wall building method and apparatus in which a chain cutter 2 provided with excavation blades is obliquely mounted on a running carriage 1. Slanting continuous trenches G1, G2 are excavated by moving the running carriage 1 in a transverse direction while rotating the cutter 2 with the cutter 2 obliquely placed in the ground, and a water cutoff material is poured into the excavated continuous trenches G1, G2 and solidified therein to build slanting continuous walls R1, R2 in the ground.
    Type: Grant
    Filed: August 13, 1997
    Date of Patent: October 31, 2000
    Assignee: Kabushiki Kaisha Kobe Seiko Sho
    Inventors: Kenji Koike, Yoshiaki Inagaki, Minoru Aoi, Fumio Kinoshita, Shigeki Ashida, Yuji Nakajima, Tatsuo Komoto, Hiroaki Kondo