Patents by Inventor Takehiko MURANAKA

Takehiko MURANAKA 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).

  • Publication number: 20210207283
    Abstract: An anodized titanium material includes a titanium base material and an anodized titanium layer. The anodized titanium layer is provided on a surface of the titanium base material. The anodized titanium layer includes a porous first anodized titanium layer. The anodized titanium layer has a withstand voltage at 25° C. of 500 V or more, a Vickers hardness of 200 or more, a film thickness of 20 ?m or more and less than 80 ?m, an arithmetic average roughness Ra of a surface of less than 1.6 ?m, and a maximum height roughness Rz of the surface is less than 6.3 ?m. In both of a section perpendicular to a thickness direction of the first anodized titanium oxide layer and the surface, no pore sections having a shape capable of including a circle having a diameter of 0.5 ?m or more are observed.
    Type: Application
    Filed: February 8, 2021
    Publication date: July 8, 2021
    Applicants: Yamaguchi Prefectural Industrial Technology Institute, Shimonoseki Mekki Co., Ltd., Tokyo Electron Limited
    Inventors: Takehiko MURANAKA, Kouji NIIMI, Yuuta UENO, Hikaru KIKUCHI, Hideto SAITO, Nobuyuki NAGAYAMA