Inventor · Cupertino, CA, US

Hao Xu

1,175Patents
24h-index
442Co-inventors
93Inventor score

Filing activity: May 21, 1999 → Sep 5, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US8655396B2 Methods and apparatus for power allocation and/or rate selection for UL MIMO/SIMO operations with PAR considerations Electricity 222 Active
US9001780B2 Physical layer issues related to multi-TA group support Electricity 100 Active
US7934020B1 Managing network data transfers in a virtual computer system Physics 50 Active
US8675768B2 Unified design and centralized scheduling for dynamic SIMO, SU-MIMO and MU-MIMO operation for RL transmissions Electricity 49 Active
US8976698B2 Methods and apparatus for radio link monitoring in new carrier type (NCT) in a long term evolution (LTE) system Electricity 48 Active
US7865663B1 SCSI protocol emulation for virtual storage device stored on NAS device Physics 47 Active
US9872252B1 Discontinuous reception mode with multiple-stage wake-up Emerging Cross-Sectional Technologies 46 Active
US9537219B2 Electronic device with passive antenna retuning circuitry Electricity 46 Active
US7447393B2 Thermal control of optical components Physics 41 Expired
US8370431B1 Secure desktop for a network meeting Physics 40 Active
US10218406B2 Narrowband communication for different device capabilities in unlicensed spectrum Electricity 39 Active
US7720328B2 Thermal control of optical components Physics 38 Active
US7672383B2 Noise variance estimation in wireless communications for diversity combining and log-likelihood scaling Electricity 34 Active
US7564775B2 Timing control in orthogonal frequency division multiplex systems based on effective signal-to-noise ratio Electricity 33 Active
US8798554B2 Tunable antenna system with multiple feeds Electricity 32 Active
US8269675B2 Antennas for electronic devices with conductive housing Electricity 31 Active
US9510208B2 Sequence generation for shared spectrum Electricity 30 Active
US8896487B2 Cavity antennas for electronic devices Electricity 30 Active
US10142074B2 Techniques and apparatuses for common uplink burst Electricity 29 Active
US8257910B1 Underlayers for EUV lithography Physics 29 Active
US8059039B2 Clutch barrel antenna for wireless electronic devices Electricity 28 Active
US8126072B2 Noise variance estimation in wireless communications for diversity combining and log likelihood scaling Electricity 28 Active
US9798812B2 Soft matching user identifiers Electricity 25 Active
US10158384B1 Electronic devices with indirectly-fed adjustable slot elements Electricity 25 Active
US9674727B2 Indication of cell mode and CSI feedback rules for cell on-off procedure Electricity 24 Active

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