JB

John Birkbeck

PS Psemi: 11 patents #50 of 166Top 35%
MC Murata Manufacturing Co.: 2 patents #2,631 of 5,295Top 50%
RL Roke Manor Research Limited: 2 patents #24 of 126Top 20%
Overall (All Time): #307,277 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12278597 Bias techniques for amplifiers with mixed polarity transistor stacks 2025-04-15
12184255 Low loss reflective passive phase shifter using time delay element with double resolution Vikas Sharma, Kashish Pal, Mark O'Leary 2024-12-31
12034406 RF frequency multiplier without balun 2024-07-09
11711068 Low loss reflective passive phase shifter using time delay element with double resolution Vikas Sharma, Kashish Pal, Mark O'Leary 2023-07-25
11689161 Bias techniques for amplifiers with mixed polarity transistor stacks 2023-06-27
11601092 RF frequency multiplier without balun 2023-03-07
11133782 Bias techniques for amplifiers with mixed polarity transistor stacks 2021-09-28
11075604 RF frequency multiplier without balun 2021-07-27
11025207 Bias techniques for controlled voltage distribution in stacked transistor amplifiers Kashish Pal 2021-06-01
10840889 Low loss reflective passive phase shifter using time delay element with double resolution Vikas Sharma, Kashish Pal, Mark O'Leary 2020-11-17
10396780 High frequency phase shifter using limited ground plane transition and switching arrangement 2019-08-27
10211801 Hybrid coupler with phase and attenuation control 2019-02-19
10075159 High frequency phase shifter using limited ground plane transition and switching arrangement 2018-09-11
7372332 Optimizing power consumption in amplifiers 2008-05-13
7288992 Bias circuit for a bipolar transistor 2007-10-30