Eugene N Step

This inventor holds 24 USPTO granted patents and 5 published patent applications, plus 1 CIPO patent and 11 EPO patents, primarily in Additive Manufacturing. Top assignees: Cabot Corporation, Shipley Company LLC. Active years: 2003-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eugene N Step. Retrieved from https://idiyas.com/inventor/eugene-n-step

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

Calculating rank

USPTO Granted Patents = 24 (Patent Applications = 5)

% Patents Active = 91.7

CIPO Patents = 1

EPO Patents = 11 (Patent Applications = 13)

Average Co-Inventor Count = 3.0

ph-index = 6

Forward Citations = 124(Granted Patents)

Location History:

Billerica, MA (US) (2016)
Newton, MA (US) (2003 - 2024)

Company Filing History:

Years Active: 2003-2025

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Areas of Expertise:

Additive Manufacturing

Toner Additives

High Resistivity

Composite Particles

Thermoplastic Elastomers

Filler-Polymer Compositions

Electrostatic Development

Carbon Black

Copper Electroplating

Modified Pigments

Dispersion Techniques

Coating Compositions

24 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12473434 - Composition for liquid-based additive manufacturing (2025-11-18),

2. 12045007 - Toner additives comprising composite particles (2024-07-23),

3. 12024616 - Method of producing thermoplastic elastomers and polymer composite obtained thereby (2024-07-02),

4. 10955763 - Toner additives comprising composite particles (2021-03-23),

5. 10450493 - Modified carbon black for oilfield fluids (2019-10-22),

6. 9982158 - Coatings having filler-polymer compositions with combined low dielectric constant, high resistivity, and optical density properties and controlled electrical resistivity, devices made therewith, and methods for making same (2018-05-29),

7. 9790393 - Coatings having filler-polymer compositions with combined low dielectric constant, high resistivity, and optical density properties and controlled electrical resistivity, devices made therewith, and methods for making same (2017-10-17),

8. 9568847 - Toner additives comprising composite particles (2017-02-14),

9. 9546286 - High resistivity coating compositions having unique percolation behavior, and electrostatic image developing systems and components thereof incorporating same (2017-01-17),

10. 9267048 - Methods to control electrical resistivity in filler-polymer compositions and products related thereto (2016-02-23),

11. 9150739 - Oxidized carbon blacks treated with polyetheramines and coating compositions comprising same (2015-10-06),

12. 8728223 - Low viscosity, high particulate loading dispersions (2014-05-20),

13. 8697778 - High resistivity compositions (2014-04-15),

14. 8585816 - Low viscosity, high particulate loading dispersions (2013-11-19),

15. 8394563 - Carbon blacks, toners, and composites and methods of making same (2013-03-12),

Title: Innovations of Eugene N. Step: A Glimpse into His Contributions and Collaborations

Introduction: Eugene N. Step, based in Newton, MA, is a prominent inventor recognized for his contributions to innovation in materials science. With a remarkable portfolio of 23 patents, Step has played a significant role in advancing technology through his inventive work.

Latest Patents: His latest patents include “Toner additives comprising composite particles,” which explores how metal-oxide composite particles can enhance toner qualities. Another significant invention is the “Method of producing thermoplastic elastomers and polymer composite obtained thereby.” This patent details a comprehensive method for producing thermoplastic elastomers by combining various polyether compositions and diols, demonstrating Step's expertise in creating advanced materials.

Career Highlights: Step has had a noteworthy career, contributing his talents to acclaimed companies such as Cabot Corporation and Shipley Company, L.L.C. His work in these organizations has enabled the commercial application of his innovative concepts in both the toner and thermoplastic industries.

Collaborations: Throughout his career, Eugene N. Step has collaborated with esteemed colleagues like Agathagelos Kyrlidis and Andriy Korchev. These partnerships have fostered a collaborative spirit in the development of patented technologies, enhancing the impact of their collective innovations.

Conclusion: Eugene N. Step’s impressive array of patents and his collaborations highlight his important role in the field of material science. His work continues to influence advancements in product development, showcasing the power of innovation in creating new solutions for various industries.

Profile summary based on public USPTO records.