Dirk Klaassen
8Patents
3h-index
12Co-inventors
54Inventor score
Filing activity: Jul 27, 1976 → Apr 24, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9570546B2 | Bipolar transistor | Electricity | 7 | Active |
| US4859902A | Method of changing the chromaticity of a cathodoluminescent phosphor, colour cathode ray tube incorporating the phosphor, and projection television using same | Electricity | 7 | Expired |
| US4098974A | Polyalkenes of wide molecular weight distribution | Chemistry; Metallurgy | 6 | Expired |
| US4942335A | Blue-luminescing lanthanum-gadolinium-oxybromide, luminescent screen comprising such an oxybromide and cathode ray tube provided with such a screen | Chemistry; Metallurgy | 3 | Expired |
| US5057912A | Cathode-ray tube with interference filter and projection television system employing same | Electricity | 2 | Expired |
| US9240468B2 | Bipolar transistor having laterally extending collector | Electricity | 1 | Active |
| US10043894B2 | Transistor amplifier circuit and integrated circuit | Electricity | 1 | Active |
| US10014398B2 | Bipolar transistor device and method of fabrication | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.