Hoya Assigned Patent

Hoya Corporation, Tokyo, Japan, has been assigned a patent (12051442) developed by Takano; Masao, Akishima, Japan, for a “hard disk drive spacer having chamfered surface and main surface with inclined region.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “Provided is an annular spacer to be disposed such that a main surface of the spacer is in contact with a magnetic disk in a hard disk drive device, the spacer including two main surfaces; an inner circumferential surface; and an outer circumferential surface, in which a chamfered surface is present between the outer circumferential surface and each of the two main surfaces, and at least a portion of an outer circumferential region of at least one of the two main surfaces includes an inclined region that is inclined toward the other main surface side in a radial direction from a center of the spacer to the outer circumferential surface side.”

The patent application was filed on 2021-09-30 (18/029251).