Patents by Inventor Morinobu Houga

Morinobu Houga 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: 5635675
    Abstract: A bendable protective tube for buried cables, wherein a plurality of cylindrically formed highly rigid resin tube bodies are connected together unitarily via cylindrical resin nodes bent so as to have a substantially S-shaped cross section. Each of the nodes has a rigid portion and a deformable portion covered with and protected by the rigid portion. Owing to this structure, the deformable portion of the node is freely deformable. The protective tube as a whole has a flexibility, and an external force is restricted to be imparted to the deformable portion by the rigid portion.
    Type: Grant
    Filed: October 26, 1994
    Date of Patent: June 3, 1997
    Assignee: Maruho Sangyo Kabushiki Kaisha
    Inventor: Morinobu Houga