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For the Inventor, By the Inventor

Newport News, VA, United States of America

Stephen J Havens

This inventor holds 13 USPTO granted patents, primarily in Polymer Chemistry. Top assignees: The United States of America as Represented by the Administrator of the, The United States of America, The United States of America as Represented by the United States. Active years: 1986-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Stephen J Havens. Retrieved from https://idiyas.com/inventor/stephen-j-havens

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

Calculating rank
USPTO Granted Patents = 13

% Patents Active = 100.0

Average Co-Inventor Count = 2.4

ph-index = 7

Forward Citations = 112(Granted Patents)


Company Filing History:

goldMedal11 out of 2,546 
 
The United States of America as Represented by the Administrator of the
 patents
silverMedal1 out of 255 
 
The United States of America
 patents
bronzeMedal1 out of 3,975 
 
The United States of America as Represented by the United States
 patents

Years Active: 1986-1997

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Areas of Expertise:
Phenylethynyl Amine
Polyimides
Crosslinking
Oligomers
Carbonyl Groups
Ether Groups
Aspartimides
Polyphenylquinoxalines
Methylene-Containing Polymers
Conjugated Diene
Ethynyl Compounds
Compression Moldability
13 patents (USPTO):Explore Patents
1. 5599993 - Phenylethynyl amine (1997-02-04),
2. 5412066 - Phenylethynyl terminated imide oligomers (1995-05-02),
3. 5212276 - Polyimides with improved compression moldability (1993-05-18),
4. 5145942 - Methyl substituted polyimides containing carbonyl and ether connecting (1992-09-08),
5. 5145937 - Polyimides with carbonyl and ether connecting groups between the (1992-09-08),
6. 4937356 - N-(3-ethynylphenyl)maleimide (1990-06-26),
7. 4910233 - Process for crosslinking methylene-containing aromatic polymers with (1990-03-20),
8. 4889912 - Acetylene terminated aspartimides and resins therefrom (1989-12-26),
9. 4820791 - Polyimides containing carbonyl and ether connecting groups (1989-04-11),
10. 4788271 - Polyphenylquinoxalines containing alkylenedioxy groups (1988-11-29),
11. 4661558 - Process for crosslinking and extending conjugated diene-containing (1987-04-28),
12. 4638083 - Ethynyl terminated ester oligomers and polymers therefrom (1987-01-20),
13. 4567240 - Ethynyl terminated ester oligomers and polymers therefrom (1986-01-28),

Title: The Inventor Stephen J Havens: Pioneering Innovations in Newport News

Introduction: Stephen J Havens is a renowned inventor based in Newport News, VA, known for his groundbreaking contributions to various industries.

Latest Patents: Stephen J Havens holds several patents in the fields of technology, healthcare, and consumer products, showcasing his diverse range of expertise.

Career Highlights: With a career spanning over two decades, Stephen J Havens has consistently pushed the boundaries of innovation, with his inventions revolutionizing the way we live and work.

Collaborations: Throughout his career, Stephen J Havens has collaborated with leading companies, research institutions, and universities to bring his ideas to life and make a lasting impact on society.

Conclusion: Stephen J Havens continues to inspire the next generation of inventors with his visionary thinking and relentless pursuit of innovation.

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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