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

Andy H. Tsou — 103 Patents

ExxonMobil: 91 patents #35 of 10,161Top 1%
The Yokohama Rubber Co.: 15 patents #87 of 1,136Top 8%
Eastman Kodak: 12 patents #935 of 8,114Top 15%
Houston, TX: #57 of 21,073 inventorsTop 1%
Texas: #438 of 125,132 inventorsTop 1%
Overall (All Time): #13,706 of 4,157,543Top 1%
103 Patents All Time
Andy H. Tsou has been granted 103 US patents while listed as an inventor at ExxonMobil. The first was granted in 1995 and the most recent in April 2025. Andy H. Tsou ranks #13,706 of 4,157,543 US inventors in our database (top 0.33%). Patent records list Andy H. Tsou in Houston, TX, US.

Patents per Year

Patents granted per year, 1995 to 2025Bar chart with a peak of 12 patents in 2021.peak 121995: 2 patents19951997: 1 patents1998: 3 patents1999: 2 patents19992000: 2 patents2002: 3 patents2004: 1 patents20042005: 2 patents2006: 3 patents2007: 1 patents20072008: 1 patents2009: 6 patents2010: 3 patents20102011: 4 patents2012: 1 patents2013: 9 patents20132014: 8 patents2015: 3 patents2016: 6 patents20162017: 3 patents2018: 5 patents2019: 6 patents20192020: 10 patents2021: 12 patents2022: 3 patents20222023: 2 patents2025: 1 patents2025

Issued Patents All Time

Showing 1–25 of 103 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12281228 Propylene ethylene diene terpolymer polyolefin additives for improved tire tread performance Edward J. Blok, Anthony J. Dias, Jason A. Mann, Paul T. Q. Nguyen, Gabor Kiss +1 more 2025-04-22
11732121 Elastomeric propylene-alpha-olefin-diene terpolymer compositions Scott H. Loyd, Rainer Kolb, Narayanaswami Dharmarajan, Zhifeng Bai, James N. Coffey 2023-08-22 $854,562,000
11643529 Graft polymers for dispersing graphene and graphite Hillary L. Passino 2023-05-09 $427,031,000
11466149 Preparation of bimodal rubber, thermoplastic vulcanizates, and articles made therefrom John R. Hagadorn, Jian Yang, Ron Walker, Sudhin Datta 2022-10-11 $698,904,000
11390733 Elastomeric formulations comprising branched EPDM polymers Narayanaswami Dharmarajan, Zhifeng Bai, Rhutesh K. Shah, John R. Hagadorn 2022-07-19 $303,657,000
11299567 Lubricating oil compositions comprising dual metallocene-catalyzed bimodal copolymer compositions useful as viscosity modifiers Jingwen Zhang, Rainer Kolb, Periagaram S. Ravishankar, Jo Ann M. Canich, Francis C. Rix 2022-04-12 $350,175,000
11198745 Poly(alpha-olefin)s and methods thereof Carlos R. Lopez-Barron, John R. Hagadorn, Sarah J. Mattler 2021-12-14 $167,142,000
11174332 Compatibilized thermoplastic vulcanizate compositions Sudhin Datta, Ron Walker, Krishnan Anantha Narayana Iyer, Hamidreza Khakdaman, Kimari T. M. Slaughter +2 more 2021-11-16 $927,618,000
11142605 Compatibilized thermoplastic vulcanizate compositions Sudhin Datta, Ron Walker, Hillary L. Passino 2021-10-12 $281,385,000
11142021 Chain end functionalized polyolefins for improving wet traction and rolling resistance of tire treads Edward J. Blok, Yong Yang, Jingwen Zhang, Ian C. Stewart, Shuji Luo 2021-10-12 $281,385,000
11053396 Stable star-structured functional polyolefins Yong Yang, Kimari T. M. Slaughter 2021-07-06 $295,995,000
11034819 Self-assembled propylene-based compositions and methods of production thereof John R. Hagadorn, Viktor Buchholz, Peijun Jiang 2021-06-15 $360,325,000
11028196 Polyolefin compositions Narayanaswami Dharmarajan, Crisita Carmen H. Atienza, Jian Yang 2021-06-08 $368,649,000
11015008 Thermoplastic vulcanizates and compositions therefrom Sudhin Datta, Ron Walker, Krishnan Anantha Narayana Iyer, Rhutesh K. Shah, Hamidreza Khakdaman +2 more 2021-05-25 $290,504,000
11008449 Bimodal ethylene, alpha-olefin, and diene polymers using dual organometallic catalysts John R. Hagadorn 2021-05-18 $679,133,000
10975234 Crosslinked rubber dispersion in thermoplastic vulcanizates Sudhin Datta, Ron Walker, Bethany M. Welke 2021-04-13 $350,644,000
10954462 Bimodal bottlebrush poly(alpha olefin) solid lubricants Carlos R. Lopez-Barron, John R. Hagadorn 2021-03-23 $733,928,000
10927207 Thermoplastic vulcanizate compositions Ron Walker, Sudhin Datta, Brian J. Rohde, Tamara Blanton 2021-02-23 $203,576,000
10858504 Polyethylene compositions comprising cyclic-olefin copolymers Yong Yang, Alexander I. Norman, Kimari T. M. Slaughter, Bethany M. Welke, Dinara R. Sunagatullina 2020-12-08 $153,239,000
10858515 Polyolefin-arylene-ether nanoplatelet composites Hillary L. Passino 2020-12-08 $153,239,000
10822440 Dual metallocene-catalyzed bimodal copolymer compositions Periagaram S. Ravishankar, Jo Ann M. Canich, Francis C. Rix 2020-11-03 $87,766,000
10781278 Comb-block copolymers of isobutylene copolymer backbone with functional polymer comb arms David S. Cushing, Jason A. Mann, Abhimanyu O. Patil 2020-09-22 $149,375,000
10752722 Compositions of isobutylene, styrene and styrene with graft-on pendant double bonds Hillary L. Passino, Jennifer L. Rapp 2020-08-25 $157,530,000
10633527 Propylene-olefin copolymers and methods for making the same Alexander I. Norman, Gregory K. Hall, John R. Hagadorn, Peijun Jiang, Ying Ying Sun +2 more 2020-04-28 $235,130,000
10633526 Propylene-alpha olefin copolymers and methods for making the same Alexander I. Norman, John R. Hagadorn, Gabor Kiss, Peijun Jiang, Sarah J. Mattler 2020-04-28 $235,130,000