This inventor holds 1 USPTO granted patent and 4 published patent applications. Top assignee: Amatech Corporation. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2026
Title: Mao-Tu Lee: Inventor of an Electric Power Steering Apparatus.
Introduction
Mao-Tu Lee is an inventor based in Taipei, Taiwan, associated with Amatech Corporation. Her patent work includes an electric power steering apparatus designed to support reliable steering assistance.
Latest Patents
Lee is credited with 1 patent: “Electric Power Steering Apparatus.” The invention combines a steering shaft with a rack portion and screw portion, a planetary roller nut, and a motor with an external rotor. The motor drives the nut, moving the steering shaft axially. Two waterproof rings help seal the motor assembly against water and air, with the stated aim of preventing power loss.
Career Highlights
Lee’s listed patent highlights her work on electric power steering and the integration of mechanical drive components with protective sealing features. She is associated with Amatech Corporation.
Collaborations
The available information identifies Amatech Corporation as Lee’s company but does not specify collaborators or additional organizational partnerships.
Conclusion
Mao-Tu Lee’s patent describes an electric power steering system that combines powered shaft movement with waterproofing features intended to support dependable operation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile