Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Duhane Lam — 48 Patents

SMSwitch Materials: 23 patents #2 of 31Top 7%
AIAngstrom Power Incorporated: 10 patents #2 of 12Top 20%
SCSolutia Canada: 5 patents #1 of 18Top 6%
SBSociete Bic: 2 patents #114 of 336Top 35%
SBSociété Bic: 1 patents #45 of 98Top 50%
Vancouver, CA: #32 of 5,070 inventorsTop 1%
Overall (All Time): #57,596 of 4,157,543Top 2%
48 Patents All Time
Duhane Lam has been granted 48 US patents while listed as an inventor at Switch Materials. The first was granted in 2002 and the most recent in March 2024. Duhane Lam ranks #57,596 of 4,157,543 US inventors in our database (top 1.4%). Patent records list Duhane Lam in Vancouver, BC, CA.

Issued Patents All Time

Showing 1–25 of 48 patents

Patent #TitleCo-InventorsDate
11940679 Optical filter with light source Neil Robin Branda, Jeremy Graham Finden, Jonathan Ross Sargent, Cynthia Elizabeth Shippam, Douglas Malcolm Wiggin 2024-03-26
11660840 Packaged film assembly for lamination between substrates Jonathan Ross Sargent, Douglas Malcolm Wiggin, Peter Alexander Von Hahn, Simon James Gauthier, Ryan Gibson +1 more 2023-05-30
11624963 Seal and seal system for a layered device Simon James Gauthier, Andrew Koutsandreas, Jonathan Ross Sargent, Peter Alexander Von Hahn 2023-04-11
11586060 Optical filter with light source Neil Robin Branda, Jeremy Graham Finden, Jonathan Ross Sargent, Cynthia Elizabeth Shippam, Douglas Malcolm Wiggin 2023-02-21
11537021 Switchable objects and methods of manufacture Simon James Gauthier, Jonathan Ross Sargent, James Daniel Senior, Cynthia Elizabeth Shippam, Peter Alexander Von Hahn 2022-12-27
11079617 Optical filter comprising a variable transmittance layer Neil Robin Branda, Zachary B. Erno, Jeremy Graham Finden, Charles Joseph Gongming Loo, Jonathan Ross Sargent +3 more 2021-08-03
10684525 Seal and seal system for a layered device Simon James Gauthier, Andrew Koutsandreas, Jonathan Ross Sargent, Peter Alexander Von Hahn 2020-06-16
10663771 Optical filter with light source Neil Robin Branda, Jeremy Graham Finden, Jonathan Ross Sargent, Cynthia Elizabeth Shippam, Douglas Malcolm Wiggin 2020-05-26
10539812 Eyewear control system and method, and an eyewear device Matthew Paul Smit, Simon James Gauthier 2020-01-21
10416521 Variable transmittance optical filter and uses thereof Neil Robin Branda 2019-09-17
10401654 Optical filter comprising a variable transmittance layer Neil Robin Branda, Zachary B. Erno, Jeremy Graham Finden, Charles Joseph Gongming Loo, Jonathan Ross Sargent +3 more 2019-09-03
10353264 Layered transparent conductive electrode structure for an optical filter Glen Ramsay Bremner, Jonathan Ross Sargent, Jeremy Graham Finden, Peter Alexander Von Hahn 2019-07-16
10310300 Optical filter with light source Neil Robin Branda, Jeremy Graham Finden, Jonathan Ross Sargent, Cynthia Elizabeth Shippam, Douglas Malcolm Wiggin 2019-06-04
10254616 Variable transmittance optical filter with substantially co-planar electrode system Neil Robin Branda 2019-04-09
10254617 Switchable objects and methods of manufacture Simon James Gauthier, Jonathan Ross Sargent, James Daniel Senior, Cynthia Elizabeth Shippam, Peter Alexander Von Hahn 2019-04-09
10185199 System and method for controlling an optical filter assembly Neil Robin Branda, Glen Ramsay Bremner, Jeremy Graham Finden, Corbin Abe Giesbrecht, Matt Andrew Pilapil +1 more 2019-01-22
10139695 Variable transmittance optical devices Neil Robin Branda, Matthew Paul Smit, Peter Alexander Von Hahn 2018-11-27
9921421 Optical filter comprising a variable transmittance layer Neil Robin Branda, Zachary B. Erno, Jeremy Graham Finden, Charles Joseph Gongming Loo, Jonathan Ross Sargent +3 more 2018-03-20
9910301 Switchable optical filter apparatus with light Neil Robin Branda, Jeremy Graham Finden, Jonathan Ross Sargent, Cynthia Elizabeth Shippam, Douglas Malcolm Wiggin 2018-03-06
9864252 Variable transmittance optical filter and uses thereof Neil Robin Branda 2018-01-09
9810963 Seal and seal system for a layered device Simon James Gauthier, Andrew Koutsandreas, Jonathan Ross Sargent, Peter Alexander Von Hahn 2017-11-07
9594285 System and method for controlling an optical filter assembly Neil Robin Branda, Glen Ramsay Bremner, Jeremy Graham Finden, Corbin Abe Giesbrecht, Matt Andrew Pilapil +1 more 2017-03-14
9588358 Optical filter comprising a variable transmittance layer Neil Robin Branda, Zachary B. Erno, Jeremy Graham Finden, Charles Joseph Gongming Loo, Jonathan Ross Sargent +3 more 2017-03-07
9568799 Variable transmittance optical filter with substantially co-planar electrode system Neil Robin Branda 2017-02-14
9235099 Variable transmittance optical filter and uses thereof Neil Robin Branda 2016-01-12