Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Eric Robert Christenson — 4 Patents

FOFormfactor: 3 patents #53 of 177Top 30%
FBFormfactor Beaverton: 1 patents #11 of 39Top 30%
Tualatin, OR: #118 of 324 inventorsTop 40%
Oregon: #8,577 of 28,073 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Eric Robert Christenson has been granted 4 US patents while listed as an inventor at Formfactor. The first was granted in 2020 and the most recent in January 2024. Eric Robert Christenson ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Eric Robert Christenson in Tualatin, OR, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11874301 Probe systems including imaging devices with objective lens isolators, and related methods Kazuki Negishi, Yu-Wen Huang, Gerald Lee Gisler, Michael E. Simmons 2024-01-16 $27,748,000
11131709 Probe systems for optically probing a device under test and methods of operating the probe systems Joseph George Frankel, Kazuki Negishi, Michael E. Simmons, Daniel Rishavy 2021-09-28 $29,537,000
11047795 Calibration chucks for optical probe systems, optical probe systems including the calibration chucks, and methods of utilizing the optical probe systems Kazuki Negishi, Michael E. Simmons, Christopher Storm, Joseph George Frankel, Mario Berg 2021-06-29 $14,792,000
10809048 Probe systems and methods for calibrating capacitive height sensing measurements Kazuki Negishi, Joseph George Frankel 2020-10-20