Patents by Inventor Daishi Ohtsubo

Daishi Ohtsubo 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).

  • Alloy powder for oxidation-resistant coating, and alloy material formed of the powder and excellent in oxidation resistance characteristics
    Patent number: 9174416
    Abstract: A mixed powder of an Ni—Al alloy and alumina is produced by heating a first mixed powder, which is prepared by mixing an Ni—Al mixed powder as prepared by mixing an Al powder with Ni in such a manner that Al therein could fall within a range of from 25 atomic % to 60 atomic %, and an alumina powder in a range of from 40% by mass to 60% by mass, in vacuum or in an inert gas atmosphere at a temperature falling within a range of from 600° C. to 1300° C. for at least 1 hour, and then grinding the resulting product.
    Type: Grant
    Filed: March 27, 2013
    Date of Patent: November 3, 2015
    Assignee: NATIONAL INSTITUTE FOR MATERIALS SCIENCE
    Inventors: Hideyuki Murakami, Daishi Ohtsubo, Yoko Mitarai, Makoto Nanko