Patents by Inventor Naoto Kawai

Naoto Kawai 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: 4081505
    Abstract: Ultra-high pressure generation by using a new pressure transmitting medium consisting essentially of powder of an inorganic material having high hardness and cleavage.
    Type: Grant
    Filed: September 13, 1976
    Date of Patent: March 28, 1978
    Inventor: Naoto Kawai