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USPTO Patent Rankings Data through Dec 31, 2025
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EJ

Eric G. Johnson — 18 Patents

DIDigitaloptics: 9 patents #6 of 112Top 6%
TATessera North America: 3 patents #8 of 13Top 65%
UNUnknown: 2 patents #12,644 of 83,584Top 20%
FSFlir Systems: 1 patents #558 of 563Top 100%
DEDigitaloptics Corporation East: 1 patents #13 of 27Top 50%
CUClemson University: 1 patents #68 of 317Top 25%
CUClemson University: 1 patents #139 of 475Top 30%
Clemson, SC: #12 of 297 inventorsTop 5%
South Carolina: #702 of 15,501 inventorsTop 5%
Overall (All Time): #245,716 of 4,157,543Top 6%
18 Patents All Time
Eric G. Johnson has been granted 18 US patents while listed as an inventor at Digitaloptics. The first was granted in 1999 and the most recent in April 2025. Eric G. Johnson ranks #245,716 of 4,157,543 US inventors in our database (top 5.9%). Patent records list Eric G. Johnson in Clemson, SC, US.

Patents per Year

Patents granted per year, 1999 to 2025Bar chart with a peak of 3 patents in 2003.peak 31999: 1 patents19992000: 1 patents2002: 2 patents20022003: 3 patents2005: 1 patents20052007: 1 patents2008: 2 patents20082009: 2 patents2010: 1 patents20102013: 1 patents2014: 1 patents20142022: 1 patents2025: 1 patents2025

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12276896 Tunable orbital angular momentum system Jerome Keith Miller, Richard Michael Watkins, Kaitlyn Morgan, Wenzhe Li, Yuan Li 2025-04-15
11402722 Tunable orbital angular momentum system Jerome Keith Miller, Richard Michael Watkins, Kaitlyn Morgan, Wenzhe Li, Yuan Li 2022-08-02
8821035 Optical element and system using the same Alan D. Kathman, Charles S. Koehler, William Hudson Welch, Robert D. Tekolste 2014-09-02 $8,839,000
8529139 Optical element and system using the same Alan D. Kathman, Charles S. Koehler, William Hudson Welch, Robert D. Tekolste 2013-09-10
7769258 Optical element and system using the same Alan D. Kathman, Charles S. Koehler, William Hudson Welch, Robert D. Tekolste 2010-08-03
7585596 Micro-sculpting using phase masks for projection lithography Mahesh Pitchumani, Jin Won Sung, Heidi J. Hockel 2009-09-08
7529446 Optical element and system using the same Alan D. Kathman, Charles S. Koehler, William Hudson Welch, Robert D. Tekolste 2009-05-05
7450623 Wavelength locked laser including integrated wavelength selecting total internal reflection (TIR) structure Jason O'Daniel, Oleg Smolski 2008-11-11
7343069 Optical element and system using the same Alan D. Kathman, Charles S. Koehler, William Hudson Welch, Robert D. Tekolste 2008-03-11
7221823 Fiber coupler, system and associated methods for reducing back reflections Alan D. Kathman, Charles S. Koehler, William Hudson Welch, Robert D. Tekolste 2007-05-22
6952507 Multi-mode fiber coupler system Michael R. Feldman, Thomas J. Suleski 2005-10-04
6600845 Integrated parallel transmitter Michael R. Feldman, Robert Te Kolste, Alan D. Kathman 2003-07-29
6591043 Diffractive monitor and system Robert Te Kolste, Alan D. Kathman, Michael R. Feldman 2003-07-08
6530697 Multi-mode fiber coupler, system and associated methods Michael R. Feldman 2003-03-11
6496621 Fiber coupler system and associated methods for reducing back reflections Alan D. Kathman, Charles S. Koehler, William Hudson Welch, Robert D. Tekolste 2002-12-17
6404959 Diffractive vertical cavity surface emitting laser power monitor and system Robert Te Kolste, Alan D. Kathman, Michael R. Feldman 2002-06-11
6118559 Broadband diffractive diffuser and associated methods Alan D. Kathman, Adam Fedor, James E. Morris 2000-09-12
5996376 Methods of forming optical rods including three-dimensional patterns on end faces thereof Michael R. Feldman 1999-12-07

Frequent Collaborators

Alan D. Kathman11 shared
William Hudson Welch7 shared
Robert D. Tekolste7 shared
Charles S. Koehler7 shared
Michael R. Feldman6 shared
Robert Te Kolste3 shared

Nearby-Ranked Inventors

Takuma Inami18
Daniel Mills18
Jeffrey J. Beaver18
Atilhan Manay18
Chung-Wen Lo18
Andrew KENNEDY18
Max Heimel18
Kevin Skadron18
John B. Halander18