This inventor holds 1 USPTO granted patent. Top assignee: Digital Equipment Corporation. Active years: 1993.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1993
Title: James C. Mao and His Disk Drive Spindle Invention
Introduction
James C. Mao is an inventor associated with Monument, Colorado, and Digital Equipment Corporation. His patent work includes an invention for a motorized spindle designed for disk drives.
Latest Patents
Mao is credited with 1 patent: “Motorized Spindle for Disk Drive.” The invention describes a disk drive spindle with a rotatable hub and stationary shaft. Its cartridge bearing assembly works with a motor mounted axially between the assembly’s individual bearings, rotating the hub around the shaft. The motor’s stator is secured to the outer surface of a cup-shaped mount attached to the shaft. The mount’s central opening receives and surrounds at least part of the bearing assembly, placing one end of the assembly within the mount.
Career Highlights
Mao’s documented patent contribution focuses on disk drive spindle design. The invention combines a stationary shaft, cartridge bearings, and a motor arrangement intended to rotate the hub.
Collaborations
Mao’s listed coworker is Tave J. Fruge. The available information does not specify the nature of their collaboration.
Conclusion
James C. Mao’s patent describes a motorized spindle configuration that integrates a stationary shaft, cartridge bearing assembly, and motor to rotate a disk drive hub.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile