DC

David K. Chen

Delphi Technologies: 7 patents #426 of 4,124Top 15%
General Motors: 4 patents #3,733 of 18,328Top 25%
Ford: 2 patents #6,445 of 17,473Top 40%
SE Seh-America: 1 patents #69 of 140Top 50%
KL Kla-Tencor: 1 patents #316 of 626Top 55%
Overall (All Time): #324,272 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8769935 System and method for monitoring reductant quality Furqan Zafar Shaikh, John Paul Bogema, Michiel J. Van Nieuwstadt, Scott Cooper, Garry Anthony Zawacki +4 more 2014-07-08
8141346 System and method for monitoring reductant quality Furqan Zafar Shaikh, John Paul Bogema, Michiel J. Van Nieuwstadt, Scott Cooper, Garry Anthony Zawacki +4 more 2012-03-27
7528944 Methods and systems for detecting pinholes in a film formed on a wafer or for monitoring a thermal process tool Andrew J. Steinbach, Daniel Kavaldjiev, Alexander Belyaev, Juergen Reich 2009-05-05
7279133 Planar sensor and a method for measuring the temperature of same David Wallace, Da Yu Wang, Walter T. Symons, Paul Kikuchi, Yingjie Lin +3 more 2007-10-09
7196009 Lapping carrier, apparatus for lapping a wafer and method of fabricating a lapping carrier Brian L. Bex 2007-03-27
7069770 Ammonia sensor element, heater, and method for making the same Raymond L. Bloink, Carlos A. Valdes, Eric Ker, Jinping Zhang 2006-07-04
7048844 Gas sensor and method for use thereof Da Yu Wang, Yingjie Lin, Raymond L. Bloink, Devesh Srivastava, Walter T. Symons +1 more 2006-05-23
6979892 Laminated co-fired sandwiched element for non-thermal plasma reactor Bob Li, Joachim Kupe, David Emil Nelson 2005-12-27
6957564 Impact protection of an exhaust sensor Charles Scott Nelson, Mark R. McClanahan, Russell Bosch 2005-10-25
6638416 Hydrogen sensing process Da Yu Wang, Kaius K. Polikarpus, Walter T. Symons 2003-10-28
6562215 Planar exhaust sensor element with enhanced geometry Charles Scott Nelson, Lora Younkman, Raymond L. Bloink, Kaius K. Polikarpus, Walter T. Symons 2003-05-13
6144015 Glow sensor--ceramic flat plate Randolph Kwok-Kin Chiu 2000-11-07
6062185 Glow sensor and engine component combination Randolph Kwok-Kin Chiu, Charles D. Oakley, Joseph Michael Leptich, Gamdur S. Mann 2000-05-16
5909916 Method of making a catalytic converter Michael R. Foster, Gerald Leroy Vaneman, Jesse Allan Heather, Dana M. Serrels 1999-06-08
5467636 Flat plate sensor with a robust package design David A. Thompson, Venkatesh Rajagopalan, Kurt W. Wright, John J. Sterba, William John Paulus +2 more 1995-11-21