Inventor · Beijing, CN

Pengfei Cai

29Patents
3h-index
29Co-inventors
59Inventor score

Filing activity: Oct 25, 2011 → Aug 5, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US9780248B2 High performance GeSi avalanche photodiode operating beyond Ge bandgap limits Electricity 5 Active
US10607099B2 Methods and systems for imaging performance analysis Physics 4 Active
US10627655B2 Monolithic electro-optical modulator having suspended structure Physics 3 Active
US8704272B2 Avalanche photodiode with special lateral doping concentration Electricity 3 Active
US9287432B2 Ge—Si P-I-N photodiode with reduced dark current and fabrication method thereof Emerging Cross-Sectional Technologies 3 Active
US9583664B2 Ge/Si avalanche photodiode with integrated heater and fabrication method thereof Emerging Cross-Sectional Technologies 2 Active
US9299864B2 Ge/Si avalanche photodiode with integrated heater and fabrication thereof Emerging Cross-Sectional Technologies 2 Active
US10985666B2 Voltage supply for synchronous rectifier controller during low voltage output conditions Emerging Cross-Sectional Technologies 2 Active
US8786043B2 High performance GeSi avalanche photodiode operating beyond Ge bandgap limits Electricity 2 Active
US9285651B2 Electro-optic silicon modulator with longitudinally nonuniform modulation Physics 2 Active
US8778725B1 Avalanche photodiode with special lateral doping concentration Emerging Cross-Sectional Technologies 1 Active
US11489438B2 Inrush current limiting and surge protection circuit and system Emerging Cross-Sectional Technologies 1 Active
US9478689B2 High-speed germanium on silicon avalanche photodiode Emerging Cross-Sectional Technologies 1 Active
US11115125B2 Monolithic integrated coherent transceiver Electricity 0 Active
US11480817B2 Coplanar waveguide transmission line and silicon-based electro-optic modulator comprising the same Physics 0 Active
US10283665B2 Compensated photonic device structure and fabrication method thereof Electricity 0 Active
US9000551B2 High performance surface illuminating GeSi photodiodes Electricity 0 Active
US10473853B2 Fully integrated avalanche photodiode receiver Electricity 0 Active
US11784556B2 Inrush current limiting and surge protection circuit and system Emerging Cross-Sectional Technologies 0 Active
US12335029B1 Coherent light receiving optical device Electricity 0 Active
US10340409B2 Compensated photonic device structure and fabrication method thereof Electricity 0 Active
US9373938B2 Photonic device structure and fabrication method thereof Electricity 0 Active
US12289813B2 Self-adaptive constant-current driving circuit and method for three-channel multi-color LED Emerging Cross-Sectional Technologies 0 Active
US9698296B2 Compensated photonic device structure and fabrication method thereof Electricity 0 Active
US11588410B2 Switched mode power supplies with configurable communication addresses Emerging Cross-Sectional Technologies 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.