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For the Inventor, By the Inventor

San Jose, CA, United States of America

Joy Cheng

This inventor holds 50 USPTO granted patents and 2 EPO patents, primarily in Directed Self-Assembly (CPC class H01L). Top assignees: International Business Machines Corporation, Globalfoundries Inc., Jsr Corporation. Active years: 2009-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Joy Cheng. Retrieved from https://idiyas.com/inventor/joy-cheng

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

USPTO Granted Patents = 50

% Patents Active = 50.0

 

Average Co-Inventor Count = 4.7

ph-index = 12

Forward Citations = 577(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:

goldMedal48 out of 166,325 
 
International Business Machines Corporation
 patents
silverMedal2 out of 5,671 
 
Globalfoundries Inc.
 patents
bronzeMedal2 out of 1,078 
 
Jsr Corporation
 patents
4. 1 out of 76 
 
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
Orientation Control
Chemoepitaxy
Semiconductor Structures
Photoresist
Pattern Decomposition
Topographical Features
Nanoparticles
Filtration Membranes
Optical Lithography
Hybrid Pre-Patterns
50 patents (USPTO):Explore 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.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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