Patents by Inventor Hisanori Hara

Hisanori Hara 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: 4375388
    Abstract: A carbonizing chamber is charged with powdered coal, and then the powdered coal is loaded down with a predetermined load from above with vibration to control the packing density of the powdered coal by means either of a pressing and vibrating member provided on a leveling beam body or a beam body arranged to act also as a pressing and vibrating member.
    Type: Grant
    Filed: September 29, 1981
    Date of Patent: March 1, 1983
    Assignee: Nippon Steel Corporation
    Inventors: Hisanori Hara, Takafumi Kawamura, Osamu Takamori, Wako Ieko