Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Shanfun Ching — 6 Patents

Abbott: 6 patents #1,214 of 5,509Top 25%
Vernon Hills, IL: #171 of 549 inventorsTop 35%
Illinois: #15,248 of 84,256 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Shanfun Ching has been granted 6 US patents while listed as an inventor at Abbott. The first was granted in 1990 and the most recent in March 2003. Shanfun Ching ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Shanfun Ching in Vernon Hills, IL, US.

Patents per Year

Patents granted per year, 1990 to 2003Bar chart with a peak of 1 patents in 1990.peak 11990: 1 patents19901992: 1 patents19921995: 1 patents19951996: 1 patents19961998: 1 patents19982003: 1 patents2003

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6534320 Process for immunochromatography with colloidal particles Patricia A. Billing, Julian Gordon 2003-03-18 $261,409,000
5780308 Calibration reagents for semiquanitative binding assays and devices Julian Gordon 1998-07-14 $41,797,000
5578577 Method for storing labile proteins Patricia A. Billings, Julian Gordon 1996-11-26 $36,147,000
5453355 Oligonucleotides and methods for the detection of Neisseria gonorrhoeae Larry G. Birkenmeyer, Yoshihiro Ohhashi, Janet K. Winkler 1995-09-26 $79,589,000
5120643 Process for immunochromatography with colloidal particles Patricia A. Billing, Julian Gordon 1992-06-09 $17,801,000
4960691 Chromatographic test strip for determining ligands or receptors Julian Gordon, Michael E. McMahon 1990-10-02 $37,905,000