WJ

Walter H. Johnson

KL Kla-Tencor: 13 patents #127 of 1,394Top 10%
BU Brigham Young University: 1 patents #220 of 611Top 40%
KL Kla: 1 patents #347 of 758Top 50%
PR Prometrix: 1 patents #9 of 21Top 45%
TI Tencor Instruments: 1 patents #25 of 50Top 50%
Overall (All Time): #218,910 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12164093 Reflective compact lens for magneto-optic Kerr effect metrology system Alex Zheng, Jun Wang, David Y. Wang, Chunxia Li, Changfei Yan +7 more 2024-12-10
11249110 Resistivity probes with curved portions Nanchang Zhu, Xianghua Liu, Jianli Cui, Zhu Shi, Zhuoxian Zhang +4 more 2022-02-15
11043239 Magneto-optic Kerr effect metrology systems Jun Wang, Yaolei Zheng, Chunxia Li, Changfei Yan, Lansheng Dong +7 more 2021-06-22
10663279 Dynamic determination of metal film thickness from sheet resistance and TCR value Xianghua Liu, Jianli Cui, Lu Yu, Nanchang Zhu, Juli Cheng +2 more 2020-05-26
10598477 Dynamic determination of metal film thickness from sheet resistance and TCR value Xianghua Liu, Jianli Cui, Lu Yu, Nanchang Zhu, Juli Cheng +2 more 2020-03-24
10514391 Resistivity probe having movable needle bodies Nanchang Zhu, Xianghua Liu, Jianli Cui, Zhu Shi, Zhuoxian Zhang +4 more 2019-12-24
10231337 Folded printed circuit assemblies and related methods 2019-03-12
9778043 Aided INS microchip assemblies and related methods 2017-10-03
9435826 Variable spacing four-point probe pin device and method Jianou Shi, Lansheng Dong, Haijing Peng, Xianghua Liu, Jiazhou Jin +2 more 2016-09-06
9030219 Variable pressure four-point coated probe pin device and method Nanchang Zhu 2015-05-12
7302316 Programmable autopilot system for autonomous flight of unmanned aerial vehicles Randal W. Beard, Reed Christiansen, Joshua M. Hintze, Timothy McLain 2007-11-27
7070476 In-situ metalization monitoring using eddy current measurements during the process for removing the film Kurt Lehman, Shing Lee, John Fielden 2006-07-04
7050160 Process and apparatus for integrating sheet resistance measurements and reflectance measurements of a thin film in a common apparatus Jagadish Kalyanam, Shankar Krishnan, Murali Narasimhan 2006-05-23
6885190 In-situ metalization monitoring using eddy current measurements during the process for removing the film Kurt Lehman, Shing Lee, John Fielden 2005-04-26
6815959 Systems and methods for measuring properties of conductive layers Torsten Borchers, Daniel Griffing, Andrei Danet, George Erskine 2004-11-09
6707540 In-situ metalization monitoring using eddy current and optical measurements Kurt Lehman, Shing Lee, John Fielden, Guoheng Zhao, Mehrdad Nikoonahad 2004-03-16
6621264 In-situ metalization monitoring using eddy current measurements during the process for removing the film Kurt Lehman, Shing Lee, John Fielden 2003-09-16
6433541 In-situ metalization monitoring using eddy current measurements during the process for removing the film Kurt Lehman, Shing Lee, John Fielden 2002-08-13
5552704 Eddy current test method and apparatus for measuring conductance by determining intersection of lift-off and selected curves Chester L. Mallory, Kurt Lehman 1996-09-03
5260668 Semiconductor surface resistivity probe with semiconductor temperature control Chester L. Mallory, Wayne K. Borglum 1993-11-09