Richard Hellberg
68Patents
13h-index
14Co-inventors
81Inventor score
Filing activity: Sep 5, 1997 → Feb 21, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6940349B2 | Transmitter including a composite amplifier | Electricity | 81 | Expired |
| US7071774B2 | Composite amplifier | Electricity | 70 | Expired |
| US6462682B2 | Sample rate conversion method and apparatus | Electricity | 67 | Expired |
| US7279971B2 | Composite power amplifier | Electricity | 29 | Expired |
| US6094458A | Arrangements and methods for generating a radio frequency signal | Electricity | 27 | Expired |
| US6798850B1 | Method and arrangement in a radio receiver system with several standards | Electricity | 27 | Expired |
| US7411449B2 | Composite power amplifier | Electricity | 25 | Expired |
| US6061705A | Power and area efficient fast fourier transform processor | Physics | 21 | Expired |
| US6266687A | Flexibility enhancement to the modified fast convolution algorithm | Electricity | 20 | Expired |
| US8350627B2 | Hybrid class amplifier | Electricity | 20 | Active |
| US6639464B2 | Composite amplifier | Electricity | 18 | Expired |
| US7221219B2 | Composite amplifier structure | Electricity | 16 | Expired |
| US8384475B2 | Composite amplifier, a radio terminal and a method for improving the efficiency of the composite amplifier | Electricity | 14 | Active |
| US6247035A | Reduced complexity and increased flexibility modified fast convolution algorithm | Electricity | 12 | Expired |
| US6611855B1 | Flexible and efficient channelizer architecture | Electricity | 11 | Expired |
| US6897721B2 | Composite amplifier with optimized linearity and efficiency | Electricity | 10 | Expired |
| US6774717B2 | Transmitter including a composite amplifier | Electricity | 10 | Expired |
| US8254478B2 | Method for limiting local bandwidth impairment using tone reservation | Electricity | 9 | Active |
| US6473012B2 | A/D converter background calibration | Electricity | 9 | Expired |
| US6393451B2 | Flexibility enhancement to the modified fast convolution algorithm | Electricity | 8 | Expired |
| US6167102A | System and method employing a reduced NCO lookup table | Electricity | 8 | Expired |
| US8086282B2 | Apparatuses and a method for reducing peak power in a transmitter of telecommunications systems | Electricity | 8 | Active |
| US6496125B2 | A/D conversion | Electricity | 7 | Expired |
| US8593225B2 | Hybrid class amplifier | Electricity | 6 | Active |
| US8653886B2 | Method and arrangement in a mobile communications system | Electricity | 6 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.