DB

David V. Blackham

AT Agilent Technologies: 13 patents #110 of 3,411Top 4%
HP HP: 2 patents #2,312 of 7,018Top 35%
KT Keysight Technologies: 1 patents #228 of 567Top 45%
Overall (All Time): #297,494 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9632122 Determining operating characteristics of signal generator using measuring device Loren C. Betts, Michael C. Dobbert, Xiaolong Li, Dara Sariaslani, Lisa Shenton +4 more 2017-04-25
7545150 Differential vector network analyzer Keith F. Anderson, Joel P. Dunsmore, Loren C. Betts, Nicholas C. Leindecker 2009-06-09
7161358 Impedance analyzer Hassan Tanbakuchi, Loren C. Betts 2007-01-09
7148702 VNA and method for addressing transmission line effects in VNA measurement data Kenneth H. Wong, Joel P. Dunsmore 2006-12-12
7124049 Method for implementing TRL calibration in VNA Kenneth H. Wong, James Liu, Keith F. Anderson 2006-10-17
7061254 Power calibration for multi-port vector network analyzer (VNA) Robert E. Shoulders, Kenneth H. Wong 2006-06-13
7054780 Network analyzer applying loss compensation using port extensions and method of operation Joel P. Dunsmore, Doug Bender 2006-05-30
7019536 Multiport calibration simplification using the “unknown thru” method Keith F. Anderson, Brad R. Hokkanen, Kenneth H. Wong 2006-03-28
7010443 Noise measurement system and method Shigetsune Torin, Kenneth H. Wong 2006-03-07
6995571 Vector network analyzer mixer calibration using the unknown thru calibration James Liu, Kenneth H. Wong 2006-02-07
6836743 Compensating for unequal load and source match in vector network analyzer calibration Douglas K. Rytting 2004-12-28
6823276 System and method for determining measurement errors of a testing device Kenneth H. Wong 2004-11-23
6396285 Method and apparatus for efficient measurement of reciprocal multiport devices in vector network analysis 2002-05-28
6188968 Removing effects of adapters present during vector network analyzer calibration 2001-02-13
6060888 Error correction method for reflection measurements of reciprocal devices in vector network analyzers Jason A. Chodora, Joel P. Dunsmore 2000-05-09
5748000 Error correction method for transmission measurements in vector network analyzers 1998-05-05