YZ

Yongfei Zhu

PM Paratek Microwave: 25 patents #2 of 80Top 3%
BL Blackberry Limited: 4 patents #740 of 2,554Top 30%
RR Research In Motion Rf: 2 patents #5 of 29Top 20%
CG Cera M Gmbh: 1 patents #11 of 18Top 65%
Sharp Kabushiki Kaisha: 1 patents #6,861 of 10,731Top 65%
VP Virginia Tech Intellectual Properties: 1 patents #405 of 1,095Top 40%
📍 Blacksburg, VA: #23 of 1,029 inventorsTop 3%
🗺 Virginia: #622 of 34,511 inventorsTop 2%
Overall (All Time): #113,609 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 1–25 of 32 patents

Patent #TitleCo-InventorsDate
9847807 Wide band antenna systems Gregory Mendolia, James DiLorenzo, Jeffrey Schroeder 2017-12-19
9698758 Methods for tuning an adaptive impedance matching network with a look-up table John Hanford Spears, Wayne E. Smith, Chenggang Sui 2017-07-04
8957742 Methods for tuning an adaptive impedance matching network with a look-up table John Hanford Spears, Wayne E. Smith, Chenggang Sui 2015-02-17
8674783 Methods for tuning an adaptive impedance matching network with a look-up table John Hanford Spears, Wayne E. Smith, Chenggang Sui 2014-03-18
8421548 Methods for tuning an adaptive impedance matching network with a look-up table John Hanford Spears, Wayne E. Smith, Chenggang Sui 2013-04-16
8395459 Methods for tuning an adaptive impedance matching network with a look-up table John Hanford Spears, Wayne E. Smith, Chenggang Sui 2013-03-12
8072285 Methods for tuning an adaptive impedance matching network with a look-up table John Hanford Spears, Wayne E. Smith, Chenggang Sui 2011-12-06
7154357 Voltage tunable reflective coplanar phase shifters Andrey Kozyrev, Louise Sengupta 2006-12-26
7145415 Electrically tunable filters with dielectric varactors Louise Sengupta, Steven Stowell, Somnath Sengupta, Luna H. Chiu, Xubai Zhang 2006-12-05
7034636 Tunable filters having variable bandwidth and variable delay Khosro Shamsaifar, John Kvarnstrand, Louise Sengupta 2006-04-25
6903633 Electronic tunable filters with dielectric varactors Louise Sengupta 2005-06-07
6876279 Voltage tunable laminated dielectric materials for a coplanor waveguide Louise Sengupta, Steven Stowell, Somnath Sengupta, Luna H. Chiu, Xubai Zhang 2005-04-05
6864840 Serially-fed phased array antennas with dielectric phase shifters Louise Sengupta, Andrey Kozyrev, Xubai Zhang 2005-03-08
6801104 Electronically tunable combline filters tuned by tunable dielectric capacitors Yu Rong, Kenneth Hersey, Khosro Shamsaifar, Ernest Ekelman, Louise Sengupta 2004-10-05
6801102 Tunable filters having variable bandwidth and variable delay Khosro Shamsaifar, John Kvarnstrand, Louise Sengupta 2004-10-05
6794960 Voltage tunable laminated dielectric materials for microwave waveguide applications Luna H. Chiu, Xubai Zhang, Steven Stowell, Andrey Kozyrev, Somnath Sengupta +1 more 2004-09-21
6727535 Ferroelectric varactor with built-in DC blocks Louise Sengupta, Steven Stowell, Somnath Sengupta 2004-04-27
6717491 Hairpin microstrip line electrically tunable filters Xiao-Peng Liang 2004-04-06
6710679 Analog rat-race phase shifters tuned by dielectric varactors 2004-03-23
6686817 Electronic tunable filters with dielectric varactors Louise Sengupta 2004-02-03
6686814 Voltage tunable varactors and tunable devices including such varactors Luna H. Chiu, Xubai Zhang, Steven Stowell, Andrey Kozyrev, Somnath Sengupta +1 more 2004-02-03
6683517 Voltage tunable laminated dielectric materials for microwave applications such as a coaxial cable Luna H. Chiu, Xubai Zhang, Steven Stowell, Andrey Kozyrev, Somnath Sengupta +1 more 2004-01-27
6683516 Voltage tunable laminated dielectric materials for microwave applications such as a tunable cavity Luna H. Chiu, Xubai Zhang, Steven Stowell, Andrey Kozyrev, Somnath Sengupta +1 more 2004-01-27
6597265 Hybrid resonator microstrip line filters Xiao-Peng Liang 2003-07-22
6556102 RF/microwave tunable delay line Louise Sengupta, Douglas Pao 2003-04-29