Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
RD

Robert H. Dueck — 8 Patents

CPConfluent Photonics: 4 patents #2 of 26Top 8%
LILightchip: 3 patents #5 of 20Top 25%
Santa Ana, CA: #165 of 1,362 inventorsTop 15%
California: #73,997 of 386,348 inventorsTop 20%
Overall (All Time): #648,766 of 4,157,543Top 20%
8 Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
9147990 Two-dimensional laser system employing two dispersive elements 2015-09-29
6859317 Diffraction grating for wavelength division multiplexing/demultiplexing devices Gregory G. Cappiello, Mikhail N. Sokolskiy 2005-02-22
6731838 Athermalization and pressure desensitization of diffraction grating based WDM devices Gregory G. Cappiello 2004-05-04
6621958 Athermalization and pressure desensitization of diffraction grating based WDM devices Gregory G. Cappiello 2003-09-16
6594415 Wavelength division multiplexing/demultiplexing devices employing patterned optical components Gregory G. Cappiello 2003-07-15
6415073 Wavelength division multiplexing/demultiplexing devices employing patterned optical components Gregory G. Cappiello 2002-07-02
6011884 Integrated bi-directional axial gradient refractive index/diffraction grating wavelength division multiplexer Robert K. Wade, Boyd V. Hunter, Joseph R. Dempewolf 2000-01-04
6011885 Integrated bi-directional gradient refractive index wavelength division multiplexer Joseph R. Dempewolf, Robert K. Wade, Boyd V. Hunter, Alan E. Willner 2000-01-04