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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Cong-Yan Chan — 2 Patents

Chevron: 2 patents #1,782 of 4,788Top 40%
Kensington, CA: #107 of 208 inventorsTop 55%
California: #187,151 of 386,348 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Cong-Yan Chan has been granted 2 US patents while listed as an inventor at Chevron. All of these patents were granted in 2004. Cong-Yan Chan ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Cong-Yan Chan in Kensington, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6768035 Manufacture of high octane alkylate Dennis J. O'Rear, Steven S. Mathur, Thomas Van Harris, Curtis L. Munson 2004-07-27 $77,048,000
6743962 Preparation of high octane alkylate from Fischer-Tropsch olefins Dennis J. O'Rear, Steven S. Mathur, Thomas Van Harris, Curtis L. Munson 2004-06-01 $155,503,000