Patents by Inventor Hirobumi Oshima

Hirobumi Oshima 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).

  • Denitration systems
    Patent number: 4444723
    Abstract: A system for denitrating a starting nitric acid solution by irradiation of microwaves to obtain oxide product of the solution comprises a receiver for receiving the solution, a rectangular oven vessel provided with a bottom plate on which the receiver is put, and a conveying mechanism located below the bottom plate for continuously conveying the receiver on the bottom plate throughout the oven vessel. A microwave generator is operatively connected to the oven vessel for generating microwaves to irradiate the content of the receiver when it passes throughout the oven vessel. The receiver may be rotated and vertically moved when it is subjected to denitration and calcination in the oven vessel.
    Type: Grant
    Filed: April 9, 1982
    Date of Patent: April 24, 1984
    Assignees: Tokyo Shibaura Denki Kabushiki Kaisha, Doryokuro Kakunenryo Kaihatsu Jigyodan
    Inventors: Kenichi Matsumaru, Hirobumi Oshima, Masaaki Hirayama