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USPTO Patent Rankings Data through Sept 30, 2025
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Douglas K. Chu — 1 Patent

TITechnicon Instruments: 1 patents #66 of 126Top 55%
Yorktown Heights, NY: #633 of 858 inventorsTop 75%
New York: #67,335 of 115,490 inventorsTop 60%
Overall (All Time): #4,072,744 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4339533 Stabilization of creatine kinase (CK) and its application as a reference standard 1982-07-13