Patents by Inventor Masatora Yamada

Masatora Yamada 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).

  • Treating device for synthetic resin waste
    Patent number: 4008858
    Abstract: An apparatus for treating synthetic resin waste containing thermoplastic synthetic resin and various foreign matter which often contain volatile matter. This apparatus makes it possible to produce articles, from the resin waste, having good mechanical properties by first driving off volatile matter. The apparatus is especially usable for producing long, bar-shaped products, large-sized cylindrical products, piles, sleepers, or molding flasks for concrete works.
    Type: Grant
    Filed: July 22, 1975
    Date of Patent: February 22, 1977
    Assignee: Mitsubishi Petrochemical Company Limited
    Inventors: Masatora Yamada, Shigeo Tasaka, Tadayuki Okawa, Taichi Suzuki