David Hoffman
13Patents
7h-index
7Co-inventors
59Inventor score
Filing activity: May 14, 1981 → Feb 26, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8672934B2 | Method for adjusting source impedance and maximizing output by RF generator | Human Necessities | 34 | Active |
| US8115366B2 | System and method of driving ultrasonic transducers | Performing Operations; Transporting | 34 | Active |
| US9526559B2 | Method and system for adjusting source impedance and maximizing output by RF generator | Human Necessities | 25 | Active |
| US7887534B2 | Electrosurgical system | Human Necessities | 24 | Active |
| US4417356A | Magnetic friction device | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US9531156B2 | Endoscopic light source | Electricity | 7 | Active |
| US9300113B2 | Apparatus and method for driving multiple lasers | Electricity | 7 | Active |
| US4544048A | Magnetic friction device | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US9319008B2 | Differential output inductor for class D amplifier | Electricity | 5 | Active |
| US8669809B2 | Differential output inductor for class D amplifier | Electricity | 4 | Active |
| US9906117B1 | Systems, methods, and devices for remote sense without wires | Electricity | 3 | Active |
| US10666126B2 | Systems, methods, and devices for remote sense without wires | Electricity | 1 | Active |
| US10603099B2 | Method and system for adjusting source impedance and maximizing output by RF generator | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.