Stephen Chen
94Patents
13h-index
19Co-inventors
81Inventor score
Filing activity: Nov 14, 1977 → Nov 7, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8132670B1 | Protective cover for portable electronic devices | Electricity | 158 | Active |
| US8231099B2 | Protective cover support rack for portable electronic devices | Emerging Cross-Sectional Technologies | 85 | Active |
| US8424160B2 | Asymmetrical resistant hinge set | Physics | 64 | Active |
| US5357185A | Universal battery charger | Emerging Cross-Sectional Technologies | 40 | Expired |
| US7936559B2 | Wide-angle double-hinge structure | Fixed Constructions | 30 | Active |
| US5396556A | Cellular phone securing device for use inside a vehicle | Performing Operations; Transporting | 26 | Expired |
| US6134456A | Integrated mobile-phone handsfree kit combining with vehicular stereo loudspeakers | Electricity | 26 | Expired |
| US5471530A | Retaining rack for a cellular phone permitting handfree use of phone in driving | Performing Operations; Transporting | 23 | Expired |
| US6711500B2 | Method for vehicle dispatching system | Physics | 20 | Expired |
| US5095408A | Video camera illuminating adapter | Electricity | 19 | Expired |
| US4152679A | Microminiature electrical delay line utilizing thin film inductor array with magnetic enhancement and coupling | Electricity | 17 | Expired |
| US8479915B2 | Adjustable protective cover for electronic device | Physics | 16 | Active |
| US5495519A | Control circuit for control of peripheral equipment of wireless communication appliance | Electricity | 15 | Expired |
| US5213404A | Auxiliary illuminating device of a camera | Physics | 13 | Expired |
| USD593510S1 | Vehicle communication controller | General | 13 | Expired |
| US5664012A | Hands free device for a portable phone | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6160369A | Optically operated automatic control system for windshield wipers | Emerging Cross-Sectional Technologies | 11 | Expired |
| US10887333B1 | Multi-tenant threat intelligence service | Electricity | 11 | Active |
| US5290643A | Battery temperature detecting device for a charger | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6100510A | Heating unit incorporating a temperature sensor | Physics | 10 | Expired |
| US5365159A | Battery-charger with adjustable contacts | Electricity | 9 | Expired |
| US8322292B2 | Object holding table | Human Necessities | 9 | Active |
| US6945582B2 | Central armrest display device | Performing Operations; Transporting | 7 | Expired |
| US11169377B1 | Multi-focal plane head-up display | Physics | 6 | Active |
| US10997368B2 | Resolving ambiguity in a statement | Physics | 5 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.