Andy Haishung Tsou

This inventor holds 103 USPTO granted patents and 14 published patent applications, plus 8 CIPO patents and 30 EPO patents, primarily in Polyolefin Compositions (CPC class C08L23-16). Top assignees: Exxonmobil Chemical Patents Inc., Exxonmobil Research and Engineering Company, The Yokohama Rubber Co., Ltd.. Active years: 1995-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Andy Haishung Tsou. Retrieved from https://idiyas.com/inventor/andy-haishung-tsou

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 103 (Patent Applications = 14)

% Patents Active = 59.2

CIPO Patents = 8

EPO Patents = 30 (Patent Applications = 29)

Average Co-Inventor Count = 3.7

ph-index = 7

Forward Citations = 284(Granted Patents)

Forward Citations (Not Self Cited) = 255(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Rochester, NY (US) (1995 - 1997)
Pittsford, NY (US) (1995 - 1999)
Allentown, NJ (US) (2013)
Allentown, PA (US) (2010 - 2016)
Houston, TX (US) (1999 - 2023)

Company Filing History:

74 out of 3,341

Exxonmobil Chemical Patents Inc.

patents

15 out of 1,780

Exxonmobil Research and Engineering Company

patents

15 out of 2,770

The Yokohama Rubber Co., Ltd.

patents

4. 12 out of 21,604

Eastman-Kodak Company

patents

5. 1 out of 24

Exxonmobil Chemicals Patents, Inc.

patents

6. 1 out of 26

Exxonmobil Engineering & Technology Company

patents

where one patent can have more than one assignee

Years Active: 1995-2025

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Areas of Expertise:

Polyolefin Compositions

Elastomeric Formulations

Bimodal Copolymers

Graft Polymers

Thermoplastic Vulcanizates

Graphene Dispersions

Viscosity Modifiers

Functional Polyolefins

Self-Assembled Compositions

Low Moisture Permeability

Nanocomposites

Branched EPDM Polymers

103 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12281228 - Propylene ethylene diene terpolymer polyolefin additives for improved tire tread performance (2025-04-21),

2. 11732121 - Elastomeric propylene-alpha-olefin-diene terpolymer compositions (2023-08-22),

3. 11643529 - Graft polymers for dispersing graphene and graphite (2023-05-09),

4. 11466149 - Preparation of bimodal rubber, thermoplastic vulcanizates, and articles made therefrom (2022-10-11),

5. 11390733 - Elastomeric formulations comprising branched EPDM polymers (2022-07-19),

6. 11299567 - Lubricating oil compositions comprising dual metallocene-catalyzed bimodal copolymer compositions useful as viscosity modifiers (2022-04-12),

7. 11198745 - Poly(alpha-olefin)s and methods thereof (2021-12-14),

8. 11174332 - Compatibilized thermoplastic vulcanizate compositions (2021-11-16),

9. 11142605 - Compatibilized thermoplastic vulcanizate compositions (2021-10-12),

10. 11142021 - Chain end functionalized polyolefins for improving wet traction and rolling resistance of tire treads (2021-10-12),

11. 11053396 - Stable star-structured functional polyolefins (2021-07-06),

12. 11034819 - Self-assembled propylene-based compositions and methods of production thereof (2021-06-15),

13. 11028196 - Polyolefin compositions (2021-06-08),

14. 11015008 - Thermoplastic vulcanizates and compositions therefrom (2021-05-25),

15. 11008449 - Bimodal ethylene, alpha-olefin, and diene polymers using dual organometallic catalysts (2021-05-18),

Title: Innovator Spotlight: Andy Haishung Tsou

Introduction: Andy Haishung Tsou, based in Houston, Texas, is an accomplished inventor with an impressive portfolio of 102 patents. His groundbreaking work in polymer compositions and nanocomposites has significantly impacted various industries, particularly in the fields of elastomers and materials science.

Latest Patents: Among his latest innovations, Tsou has developed elastomeric propylene-alpha-olefin-diene terpolymer compositions. These compositions include a specific range of propylene, alpha-olefin, and diene to create versatile terpolymers. The product can be blended with ethylene-based copolymers, leading to a composition that contains numerous additives aimed at enhancing performance.

In addition to his work with terpolymers, Tsou has also invented graft polymers designed for dispersing graphene and graphite. These polymers feature a copolymer backbone and polycyclic aromatic hydrocarbon branches, which effectively serve as nanofiller dispersants. The resultant elastomeric nanocomposite compositions, incorporating halobutyl rubber matrices and various nanoparticles, are particularly valuable for applications in tire innerliners and innertubes.

Career Highlights: Tsou's career is marked by his tenure at leading organizations such as ExxonMobil Chemical Patents Inc. and The Yokohama Rubber Company, where he has contributed his expertise in polymer science and innovation. His inventive work continues to push the boundaries of material applications, solidifying his position as a leader in his field.

Collaborations: Throughout his career, Tsou has collaborated with esteemed colleagues, including Yoshihiro Soeda and Yong Yang. These partnerships have fostered a stimulating environment for innovative ideas and technological advancements, further enhancing Tsou's contributions to the industry.

Conclusion: Andy Haishung Tsou's remarkable achievements in patenting and innovation reflect his deep commitment to advancing polymer technology. With a prolific number of patents and strategic collaborations, Tsou stands as a prominent figure in the realm of materials science, paving the way for future advancements and applications in elastomeric compositions and nanocomposites.

Profile summary based on public USPTO records.