William Ng
21Patents
9h-index
13Co-inventors
72Inventor score
Filing activity: Jan 3, 1978 → Sep 15, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7167844B1 | Electronic menu document creator in a virtual financial environment | Physics | 515 | Expired |
| US7610233B1 | System, method and article of manufacture for initiation of bidding in a virtual trade financial environment | Physics | 179 | Expired |
| US6914508B2 | Simplified transformer design for a switching power supply | Emerging Cross-Sectional Technologies | 47 | Expired |
| USD375820S | Vacuum cleaner | General | 47 | Expired |
| US5471376A | Low-loss active voltage-clamp circuit for single-ended forward PWM converter | Electricity | 32 | Expired |
| US6046662A | Low profile surface mount transformer | Electricity | 25 | Expired |
| US6060974A | Header plate for a low profile surface mount transformer | Electricity | 21 | Expired |
| US6459586B1 | Single board power supply with thermal conductors | Electricity | 19 | Expired |
| US6518868B1 | Thermally conducting inductors | Electricity | 12 | Expired |
| US6868791B1 | Single stage kinetic energy warhead utilizing a barrier-breaching projectile followed by a target-defeating explosively formed projectile | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| USD258943S | Smoke detector | General | 7 | Expired |
| US6678175B1 | Utilizing charge stored in a snubber capacitator in a switching circuit | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7007607B1 | Missile system for breaching reinforced concrete barriers utilizing hinged explosively formed projectile warheads | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US9366057B1 | High security padlock | Fixed Constructions | 1 | Active |
| US6011679A | Methods and apparatus for controlling a power supply with improved techniques for providing protection limits | Electricity | 1 | Expired |
| US9779292B2 | System and method for interactive sketch recognition based on geometric contraints | Physics | 1 | Active |
| US6133717A | Methods and apparatus for synchronizing a plurality of power supplies | Electricity | 1 | Expired |
| US6893060B2 | Door latch for alarm system | Emerging Cross-Sectional Technologies | 1 | Expired |
| USD254901S | Smoke detector | General | 1 | Expired |
| US9574373B2 | Two-prong padlock | Fixed Constructions | 0 | Active |
| US12426528B2 | Systems and methods for work vehicles | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.