Patents by Inventor Yuki Nasu

Yuki Nasu 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: 20050130790
    Abstract: A double-sun-gear planetary gear mechanism includes two sun gears, a ring gear, a plurality of pinions engaging with the sun gears and the ring gears, and a planetary carrier supporting the pinions. The planetary carrier includes a first support portion supporting first ends of pinion shafts of the pinions, a second support portion supporting second ends of the pinion shafts. The first and second support portions are connected by a plurality of connecting portions each located radially outside the sun gears, and circumferentially between adjacent two of the pinions. The planetary carrier further includes an inner center portion extending radially inwardly between the sun gears, and including a portion for connecting the planetary carrier with a center shaft.
    Type: Application
    Filed: November 24, 2004
    Publication date: June 16, 2005
    Inventors: Yuki Nasu, Kota Takahashi, Youichi Ikeda
  • Patent number: D986931
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: May 23, 2023
    Assignee: FUJI MANUFACTURING CO., LTD.
    Inventors: Keiji Mase, Yuki Nasu