Inventor · Leyland, GB

Ran-Hong Yan

31Patents
10h-index
51Co-inventors
78Inventor score

Filing activity: Oct 31, 1988 → Jan 21, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US7046649B2 Interoperability for bluetooth/IEEE 802.11 Electricity 226 Expired
US5166765A Insulated gate field-effect transistor with pulse-shaped doping Electricity 142 Expired
US6647262B1 Cellular radio communication handover systems Electricity 55 Expired
US4873696A Surface-emitting lasers with periodic gain and a parallel driven nipi structure Electricity 52 Expired
US6459728B1 Iterative channel estimation Electricity 42 Expired
US6553011B1 Cellular multicarrier wireless communication system Emerging Cross-Sectional Technologies 31 Expired
US7127664B2 Reconfigurable architecture for decoding telecommunications signals Electricity 22 Expired
US5330925A Method for making a MOS device Electricity 13 Expired
US6539067B1 Channel estimation using soft-decision feedback Electricity 12 Expired
US5468669A Integrated circuit fabrication Emerging Cross-Sectional Technologies 12 Expired
US6987813B1 Single header encoding for multiple packets in packet switched network Electricity 10 Expired
US9443838B2 Method of fabricating integrated circuits, integrated circuit component mask layout set, and component photomask set Physics 7 Active
US5500391A Method for making a semiconductor device including diffusion control Emerging Cross-Sectional Technologies 6 Expired
US6271772A Method and apparatus for iterative decoding from a central pool Electricity 6 Expired
US7778370B2 Frame synchronization Electricity 5 Active
US7362734B1 Time-slot partitioning in a TDMA system Electricity 5 Expired
US8207904B2 High gain multiple planar reflector ultra-wide band (UWB) antenna structure Electricity 3 Active
US7822156B2 Channel estimation Electricity 3 Active
US7779338B2 Deinterleaver and dual-viterbi decoder architecture Electricity 3 Active
US7916798B2 Automatic gain control for frequency-hopped OFDM Electricity 3 Active
US6934270B2 Method of decoding uplink status flags for RT-EGPRS users Electricity 3 Expired
US6563401B1 Optimized resonator filter Electricity 2 Expired
US8254480B2 Automatic gain control for frequency-hopped OFDM Electricity 2 Active
US6668030B2 Radio communication systems Electricity 1 Expired
US7804884B2 Packet detection in time/frequency hopped wireless communication systems Electricity 1 Active

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