Patents by Inventor Rin OKAYASU

Rin OKAYASU 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).

  • GAS TURBINE BLADE REPAIR METHOD AND GAS TURBINE BLADE
    Publication number: 20220243592
    Abstract: A repair method for a gas turbine blade comprises: a step of removing a thermal barrier coating to expose at least part of a base material of the gas turbine blade; a first etching step of etching the exposed base material; a first identification step of identifying a base material deterioration layer that is harder than the base material from the etched base material; a first removal step of removing the identified base material deterioration layer if the base material deterioration layer is identified in the first identification step; and a step of applying a thermal barrier coating to the exposed base material after it is determined that there is no base material deterioration layer in the first identification step, or after the base material deterioration layer is removed in the first removal step.
    Type: Application
    Filed: April 20, 2020
    Publication date: August 4, 2022
    Inventors: Katsumi NAMBA, Masahiro YAMADA, Masaharu ISHIDA, Ryosuke KIMURA, Rin OKAYASU, Yosuke KAWACHI, Yasuki DATE