Brian Welch
55Patents
10h-index
28Co-inventors
78Inventor score
Filing activity: May 23, 2003 → Dec 1, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8238014B2 | Method and circuit for encoding multi-level pulse amplitude modulated signals using integrated optoelectronic devices | Physics | 41 | Active |
| US7916377B2 | Integrated control system for laser and Mach-Zehnder interferometer | Electricity | 35 | Active |
| US8471639B2 | Method and system for a feedback transimpedance amplifier with sub-40khz low-frequency cutoff | Electricity | 34 | Active |
| US8754711B2 | Method and system for a feedback transimpedance amplifier with sub-40khz low-frequency cutoff | Electricity | 29 | Active |
| US8665508B2 | Method and system for encoding multi-level pulse amplitude modulated signals using integrated optoelectronic devices | Physics | 27 | Active |
| US10128957B2 | Method and system for a distributed optical transmitter with local domain splitting | Electricity | 15 | Active |
| US10615903B2 | Method and system for a polarization immune wavelength division multiplexing demultiplexer | Physics | 14 | Active |
| US9548811B2 | Method and system for encoding multi-level pulse amplitude modulated signals using integrated optoelectronic devices | Physics | 12 | Active |
| US9973282B2 | Method and system for a distributed optoelectronic receiver | Electricity | 12 | Active |
| US8731410B2 | Method and system for split voltage domain receiver circuits | Physics | 12 | Active |
| US7069598B1 | Necked garment having built-in receptacle for air activated heater | Human Necessities | 10 | Expired |
| US8687981B2 | Method and system for split voltage domain transmitter circuits | Physics | 10 | Active |
| US9806920B2 | Method and system for split voltage domain receiver circuits | Physics | 7 | Active |
| US6945791B2 | Integrated circuit redistribution package | Electricity | 5 | Expired |
| US10057091B2 | Method and system for split voltage domain receiver circuits | Physics | 5 | Active |
| US9264143B2 | Method and system for split voltage domain receiver circuits | Physics | 5 | Active |
| US10606003B2 | Method and system for an optical coupler for silicon photonics devices | Physics | 5 | Active |
| US7197446B2 | Hierarchical method of power supply noise and signal integrity analysis | Physics | 5 | Expired |
| US9553676B2 | Method and system for split voltage domain receiver circuits | Physics | 5 | Active |
| US9577780B2 | Method and system for a polarization immune wavelength division multiplexing demultiplexer | Physics | 5 | Active |
| US9654227B2 | Method and system for split voltage domain transmitter circuits | Physics | 4 | Active |
| US10367664B2 | Method and system for split voltage domain transmitter circuits | Physics | 4 | Active |
| US10425165B1 | Method and system for a distributed optical transmitter with local domain splitting | Electricity | 4 | Active |
| US9172474B2 | Method and system for split voltage domain transmitter circuits | Physics | 3 | Active |
| US7470863B2 | Microelectronic device with mixed dielectric | Electricity | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.