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USPTO Patent Rankings Data through Dec 31, 2025
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Alok Kumar — 7 Patents

ExxonMobil: 7 patents #1,606 of 10,161Top 20%
State College, PA: #155 of 1,195 inventorsTop 15%
Pennsylvania: #11,887 of 74,527 inventorsTop 20%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Alok Kumar has been granted 7 US patents while listed as an inventor at ExxonMobil. The first was granted in 1994 and the most recent in February 1997. Alok Kumar ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Alok Kumar in State College, PA, US.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5600055 Immobilized Lewis Acid catalysts Tze-Chiang Chung, Frank J. Chen, Jon E. Stanat 1997-02-04 $94,947,000
5571885 Immobilized lewis acid catalysts Tze-Chiang Chung, Frank J. Chen, Jon E. Stanat 1996-11-05 $63,348,000
5563313 Immobilized Lewis Acid catalysts Tze-Chiang Chung, Frank J. Chen, Jon E. Stanat 1996-10-08 $91,824,000
5481054 Immobilized Lewis Acid catalysts Tze-Chiang Chung, Frank J. Chen, Jon E. Stanat 1996-01-02 $179,241,000
5414177 Immobilized Lewis acid catalysts Tze-Chiang Chung, Frank J. Chen, Jon E. Stanat 1995-05-09 $70,889,000
5409873 Immobilized Lewis acid catalysts Tze-Chiang Chung, Frank J. Chen, Jon E. Stanat 1995-04-25 $60,662,000
5288677 Immobilized Lewis acid catalysts Tze-Chiang Chung, Frank J. Chen, Jon E. Stanat 1994-02-22 $25,159,000