Patents by Inventor Natsuki EBIHARA

Natsuki EBIHARA 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).

  • Component for timepiece, movement, and timepiece
    Patent number: 11520294
    Abstract: There are provided a component for a timepiece, a movement, and a timepiece having excellent lubricating oil holding performance. There is provided a component for a timepiece including a sliding surface having a surface tension of 10 to 35 mN/m. It is preferable that when lubricating oil having a surface tension of 25 to 35 mN/m is applied to the sliding surface, an interfacial tension between the sliding surface and the lubricating oil is 0 to 7 mN/m.
    Type: Grant
    Filed: March 5, 2019
    Date of Patent: December 6, 2022
    Assignee: Seiko Instruments Inc.
    Inventors: Takahiko Nakamura, Natsuki Ebihara
  • Mechanical component, mechanism module, movement, and timepiece
    Patent number: 11327441
    Abstract: A mechanical component, a mechanism module, a movement, and a timepiece superior in lubricating oil retaining performance are to be provided. A mechanical component includes: a first component having a first surface region; a second component having a second surface region on which the first surface region can slide; and an oil retaining film formed on at least one of the first surface region and the second surface region and more lipophilic than the region.
    Type: Grant
    Filed: February 6, 2018
    Date of Patent: May 10, 2022
    Assignee: Seiko Instruments Inc.
    Inventors: Takahiko Nakamura, Natsuki Ebihara
  • COMPONENT FOR TIMEPIECE, MOVEMENT, AND TIMEPIECE
    Publication number: 20190278228
    Abstract: There are provided a component for a timepiece, a movement, and a timepiece having excellent lubricating oil holding performance. There is provided a component for a timepiece including a sliding surface having a surface tension of 10 to 35 mN/m. It is preferable that when lubricating oil having a surface tension of 25 to 35 mN/m is applied to the sliding surface, an interfacial tension between the sliding surface and the lubricating oil is 0 to 7 mN/m.
    Type: Application
    Filed: March 5, 2019
    Publication date: September 12, 2019
    Inventors: Takahiko Nakamura, Natsuki Ebihara
  • MECHANICAL COMPONENT, MECHANISM MODULE, MOVEMENT, AND TIMEPIECE
    Publication number: 20180231938
    Abstract: A mechanical component, a mechanism module, a movement, and a timepiece superior in lubricating oil retaining performance are to be provided. A mechanical component includes: a first component having a first surface region; a second component having a second surface region on which the first surface region can slide; and an oil retaining film formed on at least one of the first surface region and the second surface region and more lipophilic than the region.
    Type: Application
    Filed: February 6, 2018
    Publication date: August 16, 2018
    Inventors: Takahiko NAKAMURA, Natsuki EBIHARA