Patents by Inventor Tadashi Sakaira

Tadashi Sakaira 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).

  • Method of manufacturing composition for bonded magnets
    Patent number: 4376726
    Abstract: An improved method of manufacturing a composition for bonded magnets in which deterioration of the composition due to heat is prevented, while uniform dispersion of ferrite powder is achieved for stabilization of physical properties and various characteristics of the resultant bonded magnets.
    Type: Grant
    Filed: March 16, 1981
    Date of Patent: March 15, 1983
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Tadashi Sakaira, Hideyuki Yamada, Tamotsu Wakahata