John Usher
136Patents
26h-index
19Co-inventors
87Inventor score
Filing activity: Nov 20, 1975 → Dec 27, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5071258A | Thermocouple assembly | Physics | 485 | Expired |
| US7756281B2 | Method of modifying audio content | Electricity | 93 | Active |
| US8611560B2 | Method and device for voice operated control | Electricity | 65 | Active |
| US8199919B2 | Earhealth monitoring system and method II | Physics | 63 | Active |
| US6139180A | Method and system for testing the accuracy of a thermocouple probe used to measure the temperature of molten steel | Physics | 57 | Expired |
| US8208644B2 | Earhealth monitoring system and method III | Physics | 50 | Active |
| US8081780B2 | Method and device for acoustic management control of multiple microphones | Electricity | 48 | Active |
| US8194864B2 | Earhealth monitoring system and method I | Physics | 44 | Active |
| US9781530B2 | Acoustic sealing analysis system | Electricity | 40 | Active |
| US8600067B2 | Acoustic sealing analysis system | Electricity | 39 | Active |
| US9757069B2 | SPL dose data logger system | Electricity | 37 | Active |
| US9113267B2 | Acoustic sealing analysis system | Electricity | 37 | Active |
| US10012529B2 | Earhealth monitoring system and method II | Physics | 37 | Active |
| US10190904B2 | Earhealth monitoring system and method II | Physics | 37 | Active |
| US8917880B2 | Earhealth monitoring system and method I | Physics | 37 | Active |
| US8254591B2 | Method and device for audio recording | Electricity | 35 | Active |
| US8855343B2 | Method and device to maintain audio content level reproduction | Electricity | 34 | Active |
| US8625819B2 | Method and device for voice operated control | Physics | 34 | Active |
| US8718305B2 | Method and device for background mitigation | Electricity | 31 | Active |
| US8917894B2 | Method and device for acute sound detection and reproduction | Electricity | 30 | Active |
| US8577062B2 | Device and method for controlling operation of an earpiece based on voice activity in the presence of audio content | Electricity | 30 | Active |
| US9191740B2 | Method and apparatus for in-ear canal sound suppression | Electricity | 29 | Active |
| US9491542B2 | Automatic sound pass-through method and system for earphones | Electricity | 29 | Active |
| US8319620B2 | Ambient situation awareness system and method for vehicles | Physics | 26 | Active |
| US8194865B2 | Method and device for sound detection and audio control | Electricity | 26 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.