Patents by Inventor Tsuneo Tate

Tsuneo Tate 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).

  • Surface treatment method and coating method for steel material, and method for producing machine component
    Patent number: 9752225
    Abstract: This surface treatment method comprises a rustproofing step, a rinsing step, and a cleaning step. In the rustproofing step, a rustproofing liquid containing orthophosphoric acid and an organic acid is used to perform a rustproofing treatment on the surface of a steel material. In the rinsing step, a treatment liquid containing an oxo acid salt of a transition metal is used to perform a rinsing treatment on the surface of the steel material. In the cleaning step, the surface of the steel material that has undergone the rinsing step is subjected to a cleaning treatment.
    Type: Grant
    Filed: September 12, 2012
    Date of Patent: September 5, 2017
    Assignees: KOMATSU LTD., COTEC CORPORATION, NIPPON KAZAI Co., Ltd.
    Inventors: Haruji Morita, Tsuneo Tate, Akira Shiozawa
  • SURFACE TREATMENT METHOD AND COATING METHOD FOR STEEL MATERIAL, AND METHOD FOR PRODUCING MACHINE COMPONENT
    Publication number: 20140290802
    Abstract: This surface treatment method comprises a rustproofing step, a rinsing step, and a cleaning step. In the rustproofing step, a rustproofing liquid containing orthophosphoric acid and an organic acid is used to perform a rustproofing treatment on the surface of a steel material. In the rinsing step, a treatment liquid containing an oxo acid salt of a transition metal is used to perform a rinsing treatment on the surface of the steel material. In the cleaning step, the surface of the steel material that has undergone the rinsing step is subjected to a cleaning treatment.
    Type: Application
    Filed: September 12, 2012
    Publication date: October 2, 2014
    Applicants: KOMATSU LTD., NIPPON KAZAI CO., LTD., COTEC CORPORATION
    Inventors: Haruji Morita, Tsuneo Tate, Akira Shiozawa