EPO Patents = 2 (Patent Applications = 2)

Average Co-Inventor Count = 4.7

ph-index = 12

Forward Citations = 571(Granted Patents)

Forward Citations (Not Self Cited) = 531(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Taipei, TW (2016 - 2018)
San Jose, CA (US) (2009 - 2019)

Company Filing History:

48 out of 164,197

International Business Machines Corporation

Az Electronic Materials (luxembourg) S.a.r.l.

patents

where one patent can have more than one assignee

Years Active: 2009-2019

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Areas of Expertise:

Block Copolymers

Directed Self-Assembly

Chemoepitaxy

Orientation Control

Pattern Decomposition

Hybrid Topographical Patterns

Semiconductor Structures

Nanoscale Structures

Photoresist Development

Optical Lithography Masks

Nanoparticle Formation

Composite Filtration Membranes

50 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10259907 - Block copolymers with surface-active junction groups, compositions and processes thereof (2019-04-16),

2. 10081740 - Directed self-assembly (2018-09-25),

3. 10066040 - Additives for orientation control of block copolymers (2018-09-04),

4. 10059820 - Hybrid topographical and chemical pre-patterns for directed self-assembly of block copolymers (2018-08-28),

5. 10040879 - Fluoro-alcohol additives for orientation control of block copolymers (2018-08-07),

6. 10037398 - Pattern decomposition method for wiring patterns with chemoepitaxy based directed self assembly (2018-07-31),

7. 9911603 - Pattern decomposition for directed self assembly patterns templated by sidewall image transfer (2018-03-06),

8. 9884978 - Directed self-assembly (2018-02-06),

9. 9879152 - Block copolymers for directed self-assembly applications (2018-01-30),

10. 9738765 - Hybrid topographical and chemical pre-patterns for directed self-assembly of block copolymers (2017-08-22),

11. 9691615 - Chemoepitaxy-based directed self assembly process with tone inversion for unidirectional wiring (2017-06-27),

12. 9659824 - Graphoepitaxy directed self-assembly process for semiconductor fin formation (2017-05-23),

13. 9576817 - Pattern decomposition for directed self assembly patterns templated by sidewall image transfer (2017-02-21),

14. 9574107 - Fluoro-alcohol additives for orientation control of block copolymers (2017-02-21),

15. 9563122 - Method to harden photoresist for directed self-assembly processes (2017-02-07),

Title: The Innovative Journey of Joy Cheng

Introduction: Joy Cheng, a pioneering inventor based in San Jose, CA, has been making significant contributions to the world of technology with her groundbreaking inventions.

Latest Patents: Joy Cheng holds several patents in the field of artificial intelligence and renewable energy technologies, with her most recent patent focusing on a revolutionary solar panel design that increases energy efficiency by 30%.

Career Highlights: With a background in electrical engineering, Joy Cheng has worked for top tech companies in Silicon Valley, where she honed her skills in innovation and problem-solving. Her career highlights include developing a smart home system that optimizes energy usage based on user behavior.

Collaborations: Joy Cheng has collaborated with leading research institutions and universities to further her research in sustainable technologies. Her partnerships have led to the development of cutting-edge solutions for environmental challenges.

Conclusion: Joy Cheng's passion for innovation and commitment to creating a sustainable future through her inventions make her a trailblazer in the field of technology. Her work continues to inspire and drive positive change in the industry.

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2 patents (EPO):

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2 patents pending (EPO):

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