EC

Engmin J. Chern

NASA: 5 patents #220 of 3,881Top 6%
GE: 1 patents #19,878 of 36,430Top 55%
📍 Sharonville, OH: #276 of 1,065 inventorsTop 30%
🗺 Ohio: #13,499 of 73,341 inventorsTop 20%
Overall (All Time): #887,597 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5750895 Method and apparatus for dual amplitude dual time-of-flight ultrasonic imaging David W. Butler 1998-05-12
5339031 Method and apparatus for non-contact hole eccentricity and diameter measurement 1994-08-16
5214379 Method and apparatus for deflection measurements using eddy current effects 1993-05-25
5193395 Method and apparatus for determination of material residual stress Yury Flom 1993-03-16
5124640 Method for advanced material characterization by laser induced eddy current imaging 1992-06-23
4755753 Eddy current surface mapping system for flaw detection 1988-07-05