TC

Todd A. Cerni

PS Particle Measuring Systems: 8 patents #8 of 64Top 15%
OP Ophir: 1 patents #9 of 14Top 65%
Overall (All Time): #584,072 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7456960 Particle counter with improved image sensor array Dwight A. Sehler 2008-11-25
RE39783 Chemical mechanical planarization (CMP) slurry quality control process and particle size distribution measuring systems Scott Waisanen, Dennis J. Knowlton 2007-08-21
7088446 Optical measurement of the chemical constituents of an opaque slurry 2006-08-08
7030980 Diode pumped intracavity laser particle counter with improved reliability and reduced noise Dwight A. Sehler 2006-04-18
6903818 Low noise intracavity laser particle counter Dwight A. Sehler, Mark Lilly 2005-06-07
6709311 Spectroscopic measurement of the chemical constituents of a CMP slurry 2004-03-23
6275290 Chemical mechanical planarization (CMP) slurry quality control process and particle size distribution measuring systems Scott Waisanen, Dennis J. Knowlton 2001-08-14
6246474 Method and apparatus for measurement of particle size distribution in substantially opaque slurries Scott Waisanen 2001-06-12
4874572 Method of and apparatus for measuring vapor density Loren D. Nelson 1989-10-17