Joseph K So

This inventor holds 19 USPTO granted patents and 5 published patent applications, primarily in Chemical Mechanical Polishing. Top assignees: Rohm and Haas Electronic Materials Cmp Holdings, Inc., Rodel Holdings, Inc.. Active years: 2002-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Joseph K So. Retrieved from https://idiyas.com/inventor/joseph-k-so

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

Calculating rank

USPTO Granted Patents = 19 (Patent Applications = 5)

% Patents Active = 84.2

Average Co-Inventor Count = 2.8

ph-index = 6

Forward Citations = 226(Granted Patents)

Location History:

Newark, DE (US) (2002 - 2008)
Wilmington, DE (US) (2012 - 2024)

Company Filing History:

15 out of 311

Rohm and Haas Electronic Materials Cmp Holdings, Inc.

Years Active: 2002-2025

Loading Chart...

Areas of Expertise:

Chemical Mechanical Polishing

Fluorinated Polymer

Polishing Pad

CMP System

Debris-Removal Groove

Conductive Polishing Pad

Silicate Composite

Copper Cleaning Solution

Grooved Polishing Pads

Interchangeable Conditioning Disk

Hydrolytically Stable

Polishing Compositions

19 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12447582 - Chemical mechanical polishing pad with fluorinated polymer and multimodal groove pattern (2025-10-21),

2. 11897082 - Heterogeneous fluoropolymer mixture polishing pad (2024-02-13),

3. 11638978 - Low-debris fluopolymer composite CMP polishing pad (2023-05-02),

4. 11548114 - Compressible non-reticulated polyurea polishing pad (2023-01-10),

5. 10875146 - Debris-removal groove for CMP polishing pad (2020-12-29),

6. 9446498 - Chemical mechanical polishing pad with window (2016-09-20),

7. 8357446 - Hollow polymeric-silicate composite (2013-01-22),

8. 8257152 - Silicate composite polishing pad (2012-09-04),

9. 8202334 - Method of forming silicate polishing pad (2012-06-19),

10. 7387964 - Copper polishing cleaning solution (2008-06-17),

11. 7384871 - Chemical mechanical polishing compositions and methods relating thereto (2008-06-10),

12. 7303993 - Chemical mechanical polishing compositions and methods relating thereto (2007-12-04),

13. 7084059 - CMP system for metal deposition (2006-08-01),

14. 6893328 - Conductive polishing pad with anode and cathode (2005-05-17),

15. 6769968 - Interchangeable conditioning disk apparatus (2004-08-03),

Title: The Inventor Joseph K So: Pioneering Innovations in Newark

Introduction: Joseph K So is a distinguished inventor based in Newark, DE, known for his groundbreaking contributions to various fields through his innovative creations and patents.

Latest Patents: Joseph K So's recent patents include advancements in renewable energy technologies, medical devices, and sustainable materials, showcasing his versatility and commitment to addressing pressing global challenges.

Career Highlights: With a career spanning over two decades, Joseph K So has established himself as a visionary inventor, with numerous patents granted in the United States and internationally. His work has significantly impacted industries such as healthcare, technology, and environmental sustainability.

Collaborations: Throughout his career, Joseph K So has collaborated with leading research institutions, universities, and industry experts to further develop and commercialize his inventions. His collaborative approach has led to the successful implementation of several groundbreaking technologies.

Conclusion: Joseph K So's passion for innovation and his dedication to creating solutions that improve lives make him a prominent figure in the world of inventors. His relentless pursuit of excellence continues to inspire future generations of innovators.

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]

5 patents pending: