Inventor · Fremont, CA, US

Michael Au

20Patents
4h-index
39Co-inventors
59Inventor score

Filing activity: May 30, 2003 → Jan 21, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US8761423B2 Canal hearing devices and batteries for use with same Electricity 55 Active
US8038858B1 Coaxial plasma arc vapor deposition apparatus and method Electricity 40 Active
US6818853B1 Vacuum arc plasma thrusters with inductive energy storage driver Mechanical Engineering; Lighting; Heating 8 Expired
US8682016B2 Canal hearing devices and batteries for use with same Electricity 7 Active
US11523202B2 Hearing devices including biometric sensors and associated methods Electricity 4 Active
US7053333B1 Vacuum arc plasma thrusters with inductive energy storage driver Mechanical Engineering; Lighting; Heating 3 Expired
US10582320B2 Canal hearing device sizer apparatus, systems and methods Electricity 3 Active
US9060234B2 Canal hearing devices and batteries for use with same Electricity 3 Active
US8475056B2 Semiconductor device assembly Electricity 3 Active
US10701497B2 Hearing device seal modules, modular hearing devices including the same and associated methods Electricity 2 Active
US10897676B2 Customized device for insertion of a deep-cana hearing aid and a method for manufacturing and using such an insertion device Electricity 1 Active
US11336982B1 Hearing device seal modules, modular hearing devices including the same and associated methods Electricity 1 Active
US11405711B1 Hearing device housings that store energy and methods of making the same Electricity 0 Active
US11277698B2 Canal hearing devices with improved seals Electricity 0 Active
US12174014B2 Canal hearing device sizer tools, systems and methods Electricity 0 Active
US10629969B2 Batteries and battery manufacturing methods Electricity 0 Active
US11323834B1 Hearing device having a shell including regions with different moduli of elasticity and methods of manufacturing the same Electricity 0 Active
US11324456B2 Deep ear sensor for reducing noise from movement and environment Electricity 0 Active
US10237665B2 Canal hearing devices with improved seals Electricity 0 Active
US11638108B2 Canal hearing devices with sound port contaminant guards Electricity 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.