Patents by Inventor Osamu Akiyoshi

Osamu Akiyoshi 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).

  • Process for preparing carbon products
    Patent number: 4089934
    Abstract: A process for preparing a carbon product which comprises mixing a carbon material, bitumen and a liquid medium to form a slurry, removing the liquid medium of said slurry along with at least a portion of the low molecular weight components of the bitumen to form a solid material, molding the separated solid material and then heat-treating the molded material.
    Type: Grant
    Filed: March 21, 1977
    Date of Patent: May 16, 1978
    Assignees: Mitsubishi Chemical Industries Ltd., Toyo Carbon Co., Ltd.
    Inventors: Osamu Akiyoshi, Akio Mukai, Yoshihiro Miwa