RG

Randall S. Geels

FI Filmetrics: 8 patents #2 of 3Top 70%
SD Sdl: 8 patents #15 of 128Top 15%
JU Jds Uniphase: 1 patents #393 of 940Top 45%
Xerox: 1 patents #5,237 of 8,622Top 65%
📍 San Diego, CA: #2,391 of 23,606 inventorsTop 15%
🗺 California: #32,725 of 386,348 inventorsTop 9%
Overall (All Time): #253,916 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
11099068 Optical instrumentation including a spatially variable filter Scott A. Chalmers, Matthew Ross 2021-08-24
10240981 Optical spectrometer configuration including spatially variable filter (SVF) Matthew Ross, Scott A. Chalmers 2019-03-26
8908177 Correction of second-order diffraction effects in fiber-optic-based spectrometers Scott A. Chalmers 2014-12-09
7502119 Thin-film metrology using spectral reflectance with an intermediate in-line reference Scott A. Chalmers 2009-03-10
7151609 Determining wafer orientation in spectral imaging Scott A. Chalmers 2006-12-19
7095511 Method and apparatus for high-speed thickness mapping of patterned thin films Scott A. Chalmers 2006-08-22
6307873 Visible wavelength, semiconductor optoelectronic device with a high power broad, significantly laterally uniform, diffraction limited output beam Ross A. Parke, David F. Welch 2001-10-23
6272162 Visible wavelength, semiconductor optoelectronic device with a high power broad, significantly laterally uniform, diffraction limited output beam Ross A. Parke, David F. Welch 2001-08-07
6184985 Spectrometer configured to provide simultaneous multiple intensity spectra from independent light sources Scott A. Chalmers 2001-02-06
6181721 Visible wavelength, semiconductor optoelectronic device with a high power broad, significantly laterally uniform, diffraction limited output beam Ross A. Parke, David F. Welch 2001-01-30
6172756 Rapid and accurate end point detection in a noisy environment Scott A. Chalmers 2001-01-09
6148014 Visible wavelength semiconductor optoelectronic device with a high power broad, significantly laterally uniform, diffraction limited output beam Ross A. Parke, David F. Welch 2000-11-14
6148013 Visible wavelength, semiconductor optoelectronic device with a high power broad, significantly laterally uniform, diffraction limited output beam Ross A. Parke, David F. Welch 2000-11-14
RE36802 Transverse electric (TE) polarization mode AlGaInP/GaAs red laser diodes, especially with self-pulsating operation Jo S. Major 2000-08-01
5933705 Passivation and protection of semiconductor surface Julian S. Osinski, David F. Welch, Donald R. Scifres 1999-08-03
5850411 Transverse electric (TE) polarization mode AlGaInP/GaAs red laser diodes, especially with self-pulsating operation Jo S. Major 1998-12-15
5799028 Passivation and protection of a semiconductor surface Julian S. Osinski, David F. Welch, Donald R. Scifres 1998-08-25
5654229 Method for replicating periodic nonlinear coefficient patterning during and after growth of epitaxial ferroelectric oxide films Florence Leplingard, John J. Kingston, Ross D. Bringans, David K. Fork, Robert G. Waarts +1 more 1997-08-05