YZ

Yongfei Zhu

PM Paratek Microwave: 10 patents #1 of 25Top 4%
📍 Blacksburg, VA: #1 of 66 inventorsTop 2%
🗺 Virginia: #4 of 1,885 inventorsTop 1%
Overall (2004): #1,345 of 270,089Top 1%
10
Patents 2004

Issued Patents 2004

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
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
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
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