Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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James Kealey — 17 Patents

PRPrecigen: 8 patents #2 of 45Top 5%
GEGeron: 4 patents #39 of 147Top 30%
KIKosan Biosciences Incorporated: 4 patents #28 of 83Top 35%
Germantown, MD: #50 of 905 inventorsTop 6%
Maryland: #1,524 of 35,612 inventorsTop 5%
Overall (All Time): #263,971 of 4,157,543Top 7%
17 Patents All Time
James Kealey has been granted 17 US patents while listed as an inventor at Precigen. The first was granted in 1998 and the most recent in February 2025. James Kealey ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list James Kealey in Germantown, MD, US.

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12234465 Methods and microorganisms for the fermentation of methane to multi-carbon compounds Jeffrey ORTH, Louis Clark, Lily Yuin CHAO, Na Trinh, Christopher C. Farwell +6 more 2025-02-25
12091667 Molecular switches Mark Anton Held, Xinhua Zhao, Lily Yuin CHAO, Na Trinh, Kevin Lee Dietzel 2024-09-17 $4,544,000
12018310 Methods and microorganisms for making 1,4-butanediol and derivatives thereof from C1 carbons Xinhua Zhao, Tina HUYNH, Jeffrey ORTH, Lily Yuin CHAO 2024-06-25 $7,138,000
11939584 Methods and microorganisms for making 2,3-butanediol and derivatives thereof from C1 carbons Xinhua Zhao, Mark Anton Held, Tina HUYNH, Lily Yuin CHAO, Na Trinh +3 more 2024-03-26 $7,136,000
11905513 Advanced genome editing Xuezhi Li, Kevin Lee Dietzel 2024-02-20
11421235 Methods and microorganisms for the fermentation of methane to multi-carbon compounds Jeffrey ORTH, Louis Clark, Lily Yuin CHAO, Na Trinh, Christopher C. Farwell +6 more 2022-08-23 $8,769,000
11198877 Molecular switches Mark Anton Held, Xinhua Zhao, Lily Yuin CHAO, Na Trinh, Kevin Lee Dietzel 2021-12-14 $13,076,000
11155837 Methods and microorganisms for making 1,4-butanediol and derivatives thereof from C1 carbons Xinhua Zhao, Tina HUYNH, Jeffrey ORTH, Lily Yuin CHAO 2021-10-26 $9,088,000
11111496 Methods and microorganisms for making 2,3-butanediol and derivatives thereof from C1 carbons Xinhua Zhao, Mark Anton Held, Tina HUYNH, Lily Yuin CHAO, Na Trinh +3 more 2021-09-07 $26,037,000
7585966 Inhibitory polynucleotides directed against the RNA component of telomerase Ronald A. Pruzan, Scott L. Weinrich 2009-09-08 $6,731,000
7413878 Recombinant host cells expressing atoAD and capable of making a polyketide using a starter unit Linda Dayem, Daniel V. Santi 2008-08-19
7291486 Genetically modified cells and methods for converting (R)-methylmalonyl CoA to (S)-methylmalonyl CoA Daniel V. Santi, Linda Dayem 2007-11-06 $2,760,000
7011959 Heterologous production of polyketides Daniel V. Santi, Larry Peck, Linda Dayem 2006-03-14 $2,769,000
6261556 Purified telomerose Scott L. Weinrich, Edward M. Atkinson, III, Serge Lichtsteiner, Alain P. Vasserot, Ronald A. Pruzan 2001-07-17 $3,036,000
6262340 Production of polyketides in plants Mary Betlach, Neal I. Gutterson, Ed Ralston 2001-07-17 $4,665,000
5968506 Purified telomerase Scott L. Weinrich, Edward M. Atkinson, III, Serge Lichtsteiner, Alain P. Vasserot, Ronald A. Pruzan 1999-10-19 $3,462,000
5846723 Methods for detecting the RNA component of telomerase Nam-woo Kim, Fred Wu, Ronald A. Pruzan, Scott L. Weinrich 1998-12-08 $4,258,000