Patents by Inventor Hiroshi DAIFUKU

Hiroshi DAIFUKU 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).

  • BASE PLATE OF DISK DRIVE SUSPENSION, DISK DRIVE SUSPENSION, AND DISK DRIVE
    Publication number: 20230223044
    Abstract: A base plate includes a plate body and a connection portion provided at the plate body. The connection portion includes a through hole gassing through the plate body in a thickness direction of the plate body, a plurality of protrusions provided along an edge of the through hole in a circumferential direction about a central axis of the through hole and inserted into an attachment hole provided in the arm, and an inner circumferential surface formed by the plurality of protrusions and the through hole. The inner circumferential surface includes a plurality of recesses formed between the plurality of protrusions.
    Type: Application
    Filed: January 5, 2023
    Publication date: July 13, 2023
    Applicant: NHK SPRING CO., LTD.
    Inventors: Mikio ARAI, Hiroshi DAIFUKU