Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Samuel W. Chan — 3 Patents

AMAmoco: 3 patents #256 of 1,251Top 25%
Newton, MA: #1,246 of 2,747 inventorsTop 50%
Massachusetts: #33,867 of 88,656 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Samuel W. Chan has been granted 3 US patents while listed as an inventor at Amoco. The first was granted in 1992 and the most recent in January 1997. Samuel W. Chan ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Samuel W. Chan in Newton, MA, US.

Patents per Year

Patents granted per year, 1992 to 1997Bar chart with a peak of 1 patents in 1992.peak 11992: 1 patents19921994: 1 patents19941997: 1 patents1997

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5593831 Nucleic acid probes for the detection of yersinia enterolitica Jyotsna S. Shah, Theodore B. Pitman, David J. Lane 1997-01-14 $74,277,000
5370992 Nucleic acid probes and methods for detecting Yersinia enterocolitica Jyotsna S. Shah, Theodore B. Pitman, David J. Lane 1994-12-06 $117,012,000
5147778 Probes and methods for the detection of salmonella Raymond M. Nietupski, Stephen Wilson, Jyotsna S. Shah, Donald Halbert, David J. Lane 1992-09-15 $24,798,000