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

Jan Stopka — 4 Patents

FEFei: 3 patents #184 of 681Top 30%
Brno, CZ: #106 of 750 inventorsTop 15%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Jan Stopka has been granted 4 US patents while listed as an inventor at Fei. The first was granted in 2023 and the most recent in August 2025. Jan Stopka ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Jan Stopka in Brno, CZ.

Patents per Year

Patents granted per year, 2023 to 2025Bar chart with a peak of 2 patents in 2024.peak 22023: 1 patents20232024: 2 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12380596 Method and system for determining beam position Bohuslav Sed'a, Radovan Vašina, Radim SEJNOHA 2025-08-05
12106933 Method to correct first order astigmatism and first order distortion in multi-beam scanning electron microscopes Bohuslav Sed'a 2024-10-01
12057287 Methods and systems for aligning a multi-beam system Bohuslav Sed'a, Radovan Va{hacek over (s)}ina, Radim {hacek over (S)}ejnoha 2024-08-06
11676795 Charged particle beam device for inspection of a specimen with a plurality of charged particle beamlets Pavel Stejskal, Bohuslav Sed'a, Petr Hlavenka, Libor Novak 2023-06-13