DH

Duanfeng He

ST Symbol Technologies: 87 patents #8 of 1,181Top 1%
ZT Zebra Technologies: 13 patents #24 of 699Top 4%
MI Microvision: 4 patents #42 of 190Top 25%
Ncr: 3 patents #613 of 2,952Top 25%
AT AT&T: 1 patents #10,626 of 18,772Top 60%
C( Chinese Academy Of Sciences (Cas): 1 patents #3 of 58Top 6%
📍 South Setauket, NY: #1 of 51 inventorsTop 2%
🗺 New York: #450 of 115,490 inventorsTop 1%
Overall (All Time): #11,952 of 4,157,543Top 1%
110
Patents All Time

Issued Patents All Time

Showing 101–110 of 110 patents

Patent #TitleCo-InventorsDate
6088482 Techniques for reading two dimensional code, including maxicode Kevin Hunter, Eugene Joseph 2000-07-11
5955720 Semi-retroreflective scanners Richard Isaac, Mehul Patel, Daniel Brown 1999-09-21
5889269 Linearization of raster patterns in 2D optical scanners Raj Bridgelall, Eugene Joseph, William Sakoda 1999-03-30
5859417 Optical scanners having dual surface optical elements for dual working ranges Paul Dvorkis, Edward Barkan, Howard Shepard, Vladimir Gurevich, Mark Krichever +6 more 1999-01-12
5710417 Bar code reader for reading both one dimensional and two dimensional symbologies with programmable resolution Eugene Joseph, Yajun Li, Joseph Katz, Jerome Swartz 1998-01-20
5610385 Optical bar code scanner which produces substantially perpendicular scan lines Donald A. Collins, Jr. 1997-03-11
5459310 Apparatus for sensing different attenuation windows within an optical scanner Donald A. Collins, Jr., Daniel B. Seevers, Stephen J. Ames 1995-10-17
5384452 Quasi-one-dimensional focal plane array for vision scanners 1995-01-24
5268580 Bar code enhancement system and method for vision scanners 1993-12-07
4921278 Identification system using computer generated moire Lu P. Shiang 1990-05-01