Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
KL

Kun Liu — 19 Patents

FEFei: 16 patents #26 of 681Top 4%
TFThermo Fisher: 1 patents #1,342 of 2,015Top 70%
Portland, OR: #987 of 9,213 inventorsTop 15%
Oregon: #2,295 of 28,073 inventorsTop 9%
Overall (All Time): #229,345 of 4,157,543Top 6%
19 Patents All Time
Kun Liu has been granted 19 US patents while listed as an inventor at Fei. The first was granted in 2004 and the most recent in August 2025. Kun Liu ranks #229,345 of 4,157,543 US inventors in our database (top 5.5%). Patent records list Kun Liu in Portland, OR, US.

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12387902 Electrode and filament coupled by adapter Joshua Mutch 2025-08-12
D1072326 Flameless candle 2025-04-22
12165839 System and method for preparation and delivery of biological samples for charged particle analysis Marcus Straw, Dmitry Grinfeld, Alexander A. Makarov, Alan Bahm, Aaron Torok +4 more 2024-12-10
11782385 Reconstruction algorithms of electron-based holograms Alan Bahm, Marcus Straw 2023-10-10
11749492 Mechanically-stable electron source Gregory A. Schwind, Alan Bahm 2023-09-05
11749498 System and method for preparation and delivery of biological samples for charged particle analysis Marcus Straw, Alexander A. Makarov, Josh Gilbert, Aaron Torok, Joseph Christian +4 more 2023-09-05
11699582 Coupling for connecting analytical systems with vibrational isolation Alexander A. Makarov, Wilko Balschun, Kyle Fort 2023-07-11
11651924 Method of producing microrods for electron emitters, and associated microrods and electron emitters Chad Rue, Alan Bahm 2023-05-16
11380511 Charged particle beam source Steven Randolph 2022-07-05
11217425 System and method for preparation and delivery of biological samples for charged particle analysis Marcus Straw, Alexander A. Makarov, Josh Gilbert, Aaron Torok, Joseph Christian +4 more 2022-01-04
11114272 Pulsed CFE electron source with fast blanker for ultrafast TEM applications Erik René Kieft 2021-09-07
10410827 Gun lens design in a charged particle microscope Ali Mohammadi-Gheidari, Alexander Henstra, Peter Christiaan Tiemeijer, Pleun Dona, Gregory A. Schwind +1 more 2019-09-10 $4,455,000
8779376 Determination of emission parameters from field emission sources Lynwood W. Swanson, Gregory A. Schwind, Sean Kellogg 2014-07-15 $4,468,000
8736170 Stable cold field emission electron source Gregory A. Schwind 2014-05-27 $6,252,000
8163641 System for modifying small structures George Y. Gu, Neil J. Bassom, Thomas J. Gannon 2012-04-24 $4,836,000
7674706 System for modifying small structures using localized charge transfer mechanism to remove or deposit material George Y. Gu, Neil J. Bassom, Thomas J. Gannon 2010-03-09 $2,418,000
7098667 Cold cathode ion gauge 2006-08-29 $6,163,000
6905365 Coaxial cable connector 2005-06-14
6808426 Structure of a signal adapter 2004-10-26