Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
XO

Xiaoying Ouyang — 19 Patents

Chevron: 18 patents #228 of 4,788Top 5%
University of California: 8 patents #840 of 18,278Top 5%
San Ramon, CA: #219 of 2,140 inventorsTop 15%
California: #31,067 of 386,348 inventorsTop 9%
Overall (All Time): #229,345 of 4,157,543Top 6%
19 Patents All Time
Xiaoying Ouyang has been granted 19 US patents while listed as an inventor at Chevron. The first was granted in 2012 and the most recent in September 2025. Xiaoying Ouyang ranks #229,345 of 4,157,543 US inventors in our database (top 5.5%). Patent records list Xiaoying Ouyang in San Ramon, CA, US.

Patents per Year

Patents granted per year, 2012 to 2025Bar chart with a peak of 6 patents in 2023.peak 62012: 1 patents20122016: 3 patents20162017: 4 patents20172022: 1 patents20222023: 6 patents20232024: 2 patents20242025: 2 patents2025

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12404171 Alternating fixed and fluidized bed reactor systems and processes Huping Luo, Lin Li, Alexander E. Kuperman 2025-09-02
12384975 Multi-tube reactor systems and processes for no-oxidative conversion of methane Lin Li, Huping Luo, Alexander E. Kuperman 2025-08-12
12011710 Tetrametallic bulk hydroprocessing catalysts Viorel Duma, Alexander E. Kuperman, Ibrahim J. Uckung, Theodorus Ludovicus Michael Maesen, Axel Brait +1 more 2024-06-18 $368,304,000
11951458 Tetrametallic bulk hydroprocessing catalysts Viorel Duma, Alexander E. Kuperman, Ibrahim J. Uckung, Theodorus Ludovicus Michael Maesen, Axel Brait +1 more 2024-04-09 $1,532,021,000
11781076 Multi-tube reactor systems and processes for no-oxidative conversion of methane Lin Li, Huping Luo, Alexander E. Kuperman 2023-10-10 $762,773,000
11731112 Tetrametallic bulk hydroprocessing catalysts Viorel Duma, Alexander E. Kuperman, Ibrahim J. Uckung, Theodorus Ludovicus Michael Maesen, Axel Brait +1 more 2023-08-22 $400,064,000
11707732 Multi-metallic bulk hydroprocessing catalysts Alexander E. Kuperman 2023-07-25 $448,107,000
11707733 Multi-metallic bulk hydroprocessing catalysts Alexander E. Kuperman 2023-07-25 $448,107,000
11707735 Multi-metallic bulk hydroprocessing catalysts Alexander E. Kuperman 2023-07-25 $448,107,000
11577235 Layered catalyst reactor systems and processes for hydrotreatment of hydrocarbon feedstocks Axel Brait, Alexander E. Kuperman, Theodorus Ludovicus Michael Maesen 2023-02-14 $822,202,000
11389788 Delaminated layered zeolite precursors and method of preparing same without sonication Alexander Katz, Alexander Okrut, Martina Aigner, Stacey I. Zones 2022-07-19 $938,214,000
9795951 Delamination of borosilicate layered zeolite Alexander Katz, Stacey I. Zones 2017-10-24 $146,166,000
9790143 Delaminated zeolite catalyzed aromatic alkylation Ron C. Runnebaum, Alexander Katz, Stacey I. Zones 2017-10-17 $345,764,000
9687830 Highly active, selective, accessible, and robust zeolitic Sn-baeyer-villiger oxidation catalyst Stacey I. Zones, Alexander Katz 2017-06-27 $166,301,000
9575042 Ligand-modified metal clusters for gas separation and purification Alexander Okrut, Ron C. Runnebaum, Bruce C. Gates, Alexander Katz 2017-02-21
9457346 Highly active, selective, accessible, and robust zeolitic Ti-epoxidation catalyst Stacey I. Zones, Alexander Katz 2016-10-04 $465,802,000
9266915 Synthesis of open metal carbonyl clusters Alexander Katz, Alexander E. Kuperman, Alexander Okrut, Ron C. Runnebaum 2016-02-23 $99,283,000
9243016 Synthesis and characterization of open metal clusters Alexander Katz, Alexander E. Kuperman, Alexander Okrut, Ron C. Runnebaum 2016-01-26 $214,821,000
8222473 Isomerization of light paraffins Cong-Yan Chen, Tracy Margaret Davis, Stacey I. Zones 2012-07-17 $141,082,000