Inventor · Portland, OR, US

Jianping Xu

45Patents
9h-index
58Co-inventors
78Inventor score

Filing activity: Feb 18, 2000 → Sep 23, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US6771862B2 Signaling medium and apparatus Physics 94 Expired
US8698419B2 Circuits and methods for driving light sources Electricity 59 Active
US7181544B2 Network protocol engine Electricity 45 Expired
US7279646B2 Digital signature collection and authentication Physics 41 Expired
US7498694B2 Power management system with multiple power sources Electricity 23 Active
US6535206B1 Ultrasonic wireless pen position determination system and method Physics 21 Expired
US6717073B2 Wireless display systems, styli, and associated methods Physics 18 Expired
US6924510B2 Silicon and silicon/germanium light-emitting device, methods and systems Physics 18 Expired
US7324540B2 Network protocol off-load engines Electricity 13 Expired
US7528619B2 0th droop detector architecture and implementation Electricity 9 Active
US7712801B2 Rotary pawl latch Emerging Cross-Sectional Technologies 7 Active
US8283771B2 Multi-die integrated circuit device and method Electricity 6 Active
US6995605B2 Resonance suppression circuit Physics 6 Expired
USD949486S1 Safety face shield General 5 Active
US7023023B2 Optical interconnects in integrated circuits Electricity 5 Expired
US8547363B2 Digital signature collection and authentication Physics 5 Active
US6958640B2 Interpolation delay cell for 2ps resolution jitter injector in optical link transceiver Electricity 5 Expired
US7016354B2 Packet-based clock signal Electricity 5 Expired
US7386080B2 High-speed data sampler for optical interconnect Electricity 5 Expired
US7536107B2 Optical offset signal cancellation for optical receiver Electricity 5 Active
US7088138B2 Symmetric and non-stacked XOR circuit Electricity 4 Expired
US7737662B2 Power management circuit for battery pack Electricity 4 Active
US7088191B2 Delay interpolation in a ring oscillator delay stage Electricity 4 Expired
US8970561B2 Digital signature collection and authentication Physics 4 Active
US7977911B2 Power supply topology Electricity 3 Active

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