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For the Inventor, By the Inventor

Andover, MA, United States of America

Physical Sciences, Inc.


USPTO Granted Patents = 87

% Expired Patents = 33.3



Trademarks = 2

Forward Citations = 1,627

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132 inventors (with patents filed for the assignee):

goldMedal R Daniel Ferguson (15 out of 17 patents)

silverMedal Nicusor V Iftimia (11 out of 21 patents)

bronzeMedal Prakash B Joshi (10 out of 10 patents)

4.  Daniel X Hammer (10 out of 11 patents)

5.  Steven J Davis (8 out of 19 patents)

6.  B David Green (7 out of 7 patents)

7.  Dorin V Preda (6 out of 9 patents)

8.  Gary A Moniz (6 out of 6 patents)

9.  Alan H Gelb (6 out of 6 patents)

10.  John D Lennhoff (5 out of 5 patents)

11.  W Terry Rawlins (5 out of 5 patents)

12.  Earl J Taylor (5 out of 7 patents)

13.  Michael B Frish (4 out of 9 patents)

14.  Mircea Mujat (4 out of 4 patents)

15.  Joseph Renard Morency (4 out of 7 patents)


Core Competencies:
Carbon Nanostructures
Conductive Coatings
Nanoscale Ceramic Powders
Electrochemical Materials
Rare Earth Elements
Optical Coherence Tomography
Microwave Plasma
Laser Imaging
Gas Detection
Toxic Substance Detection
Structural Propellants
Adaptive Optics

87 patents:

1. 11875964 - Passive and active diamond-based electron emitters and ionizers (2024-01-16),
2. 11807545 - Process for separating scandium from complex salt mixtures (2023-11-07),
3. 11718528 - Process for the production of high conductivity, carbon-rich materials from coal (2023-08-08),
4. 11289699 - Conductive coatings for active electrochemical materials (2022-03-29),
5. 11109759 - Apparatus and method for assessment of interstitial tissue (2021-09-07),
6. 10806140 - Antimicrobial compound (2020-10-20),
7. 10511018 - Conductive coatings for active electrochemical materials (2019-12-17),
8. 9964834 - Thermal waveguide (2018-05-08),
9. 9797798 - Systems and methods for sensitive open-path gas leak and detection alarm (2017-10-24),
10. 9789016 - Lightweight foldable patient litter (2017-10-17),
11. 9655521 - Combined reflectance confocal microscopy-optical coherence tomography system for imaging of biological tissue (2017-05-23),
12. 9647414 - Optically pumped micro-plasma (2017-05-09),
13. 9546101 - Electrolytic system and method for filtering an aqueous particulate suspension (2017-01-17),
14. 9466939 - High-gain operation of fiber lasers at long wavelengths (2016-10-11),
15. 9394586 - Recovery of rare earth elements and compounds from coal ash (2016-07-19),
Company Overview
Physical Sciences, Inc. is a leading innovator based in Andover, MA, specializing in advanced materials technology. The company focuses on the development and manufacturing of cutting-edge solutions, including carbon nanostructures, conductive coatings, and nanoscale ceramic powders. Their expertise extends to electrochemical materials and rare earth elements, enhancing applications across various industries. Additionally, they leverage advanced techniques such as optical coherence tomography, microwave plasma, and laser imaging to drive innovation in material science.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Physical Sciences, Inc. USPTO Patent Assignee Logo
87 Patents

#4 in Andover, MA

#230 in Massachusetts

#4,287 in US

#8,783 in the World

Andover, MA (US)
Andover, MA, United States of America

Physical Sciences, Inc.

Forward Citations = 1,627

132 inventors:

goldMedal R Daniel Ferguson (15 out of 17 patents)

silverMedal Nicusor V Iftimia (11 out of 21 patents)

bronzeMedal Prakash B Joshi (10 out of 10 patents)

4.  Daniel X Hammer (10 out of 11 patents)

5.  Steven J Davis (8 out of 19 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Physical Sciences, Inc.. Retrieved from https://idiyas.com/company/physical-sciences

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

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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