Ullrich R. Pfeiffer
34Patents
11h-index
36Co-inventors
75Inventor score
Filing activity: May 29, 1980 → Oct 28, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7295161B2 | Apparatus and methods for constructing antennas using wire bonds as radiating elements | Electricity | 202 | Expired |
| US7372408B2 | Apparatus and methods for packaging integrated circuit chips with antenna modules providing closed electromagnetic environment for integrated antennas | Electricity | 139 | Expired |
| US7119745B2 | Apparatus and method for constructing and packaging printed antenna devices | Electricity | 95 | Expired |
| US7518221B2 | Apparatus and methods for packaging integrated circuit chips with antennas formed from package lead wires | Emerging Cross-Sectional Technologies | 35 | Active |
| US7504721B2 | Apparatus and methods for packaging dielectric resonator antennas with integrated circuit chips | Electricity | 24 | Active |
| US7808798B2 | Versatile Si-based packaging with integrated passive components for mmWave applications | Electricity | 21 | Active |
| US7518229B2 | Versatile Si-based packaging with integrated passive components for mmWave applications | Electricity | 21 | Active |
| US7545329B2 | Apparatus and methods for constructing and packaging printed antenna devices | Electricity | 21 | Active |
| US7444734B2 | Apparatus and methods for constructing antennas using vias as radiating elements formed in a substrate | Emerging Cross-Sectional Technologies | 17 | Expired |
| US7342299B2 | Apparatus and methods for packaging antennas with integrated circuit chips for millimeter wave applications | Electricity | 12 | Expired |
| US8330111B2 | Monolithically integrated antenna and receiver circuit for the detection of terahertz waves | Electricity | 12 | Active |
| US7999753B2 | Apparatus and methods for constructing antennas using vias as radiating elements formed in a substrate | Emerging Cross-Sectional Technologies | 11 | Active |
| US4327724A | Pneumatically operable injection device | Human Necessities | 10 | Expired |
| US7199658B2 | Circuits and methods for implementing power amplifiers for millimeter wave applications | Electricity | 7 | Expired |
| US7315212B2 | Circuits and methods for implementing transformer-coupled amplifiers at millimeter wave frequencies | Electricity | 6 | Expired |
| US8629540B2 | Apparatus and methods for packaging integrated circuit chips with antennas formed from package lead wires | Emerging Cross-Sectional Technologies | 5 | Active |
| US7479842B2 | Apparatus and methods for constructing and packaging waveguide to planar transmission line transitions for millimeter wave applications | Electricity | 5 | Active |
| US7566952B2 | On-chip circuit pad structure | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7386291B2 | Integrated millimeter-wave quadrature generator | Electricity | 4 | Expired |
| US7676200B2 | Circuits and methods for high-efficiency on-chip power detection | Physics | 3 | Active |
| US8378469B2 | Apparatus and methods for packaging antennas with integrated circuit chips for millimeter wave applications | Electricity | 2 | Active |
| US7629852B2 | Circuits and methods for implementing transformer-coupled amplifiers at millimeter wave frequencies | Electricity | 2 | Active |
| US7427801B2 | Integrated circuit transformer devices for on-chip millimeter-wave applications | Electricity | 1 | Expired |
| US8547158B2 | Distributive resistive mixer | Electricity | 1 | Active |
| US7459981B2 | Circuits and methods for implementing transformer-coupled amplifiers at millimeter wave frequencies | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.