Inventor · Newark, CA, US

Qifan Chen

26Patents
6h-index
22Co-inventors
65Inventor score

Filing activity: Jul 20, 2007 → Jul 3, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US8286048B1 Dynamically scaled LLR for an LDPC decoder Electricity 29 Active
US8233457B1 Synchronization-free station locator in wireless network Physics 27 Active
US8190962B1 System and method for dynamic maximal iteration Electricity 13 Active
US8224806B2 Selectivity-based optimized-query-plan caching Physics 12 Active
US8543883B2 Decoding low-density parity check (LDPC) codewords Electricity 11 Active
USD966009S1 Storage rack General 7 Active
US8565133B2 Synchronization-free station locator in wireless network Physics 5 Active
US8787191B2 Method and apparatus for determining distance in a Wi-Fi network Electricity 4 Active
US9429642B1 Radar detection for adjacent segments in wireless communications Electricity 4 Active
US8799272B2 Data skew insensitive parallel join scheme Physics 3 Active
US10452676B2 Managing database with counting bloom filters Physics 2 Active
US9143967B2 Method and apparatus for determining distance in a Wi-Fi network Electricity 2 Active
US8812484B2 System and method for outer joins on a parallel database management system Physics 1 Active
US11711184B2 Long training field (LTF) in distributed transmission Electricity 1 Active
US10430411B2 Incrementally updating statistics Physics 1 Active
US9465826B2 Estimating unique entry counts using a counting bloom filter Physics 1 Active
US12368548B2 Long training field (LTF) in distributed transmission Electricity 0 Active
US12388593B2 Distributed transmission of short training fields Electricity 0 Active
US12058064B2 Long training field (LTF) in distributed transmission Electricity 0 Active
US12184568B2 Pilot tones in distributed resource unit (DRU) transmission Electricity 0 Active
US10922314B2 Incrementally updating a database statistic Physics 0 Active
US11838227B2 Pilot tones in distributed resource unit (dRU) transmission Electricity 0 Active
US9922080B2 Query plan determination Physics 0 Active
US12218884B2 Global cyclic shift delays for distributed transmissions Electricity 0 Active
US9348869B2 Data skew insensitive parallel join scheme Physics 0 Active

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