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Woodinville, WA, United States of America

Group14 Technologies, Inc.

USPTO Granted Patents = 51

EPO Patents = 3

Trademarks = 8

Forward Citations = 658

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26 inventors (with patents filed for the assignee):

Henry R Costantino (48 out of 91 patents)

Avery J Sakshaug (42 out of 48 patents)

Aaron M Feaver (38 out of 68 patents)

4. Leah A Thompkins (33 out of 46 patents)

5. Benjamin E Kron (29 out of 37 patents)

6. Katharine Geramita (25 out of 37 patents)

7. Alan Tzu-Yang Chang (16 out of 22 patents)

8. Christopher Timmons (15 out of 15 patents)

9. Farshid Afkhami (13 out of 13 patents)

10. Adam Strong (13 out of 13 patents)

11. Sarah Fredrick (13 out of 13 patents)

12. Abirami Dhanabalan (12 out of 12 patents)

13. Chad Goodwin (10 out of 14 patents)

14. Rajankumar Patel (5 out of 5 patents)

15. Cory Mekelburg (5 out of 5 patents)

Core Competencies:

Silicon-Carbon Composites

Lithium-Ion Batteries

Gas Sorption Materials

Nano-Featured Porous Silicon

Chemical Vapor Infiltration

Polymeric Resins

Composite Particles

Electrochemical Modifiers

Volumetric Gas Sorption

Manufacturing Methods

Tunable Carbon Structure

Intercalation Materials

51 patents: Sort by Forward Citations

1. 12606443 - Manufacturing of silicon-carbon composites materials (2026-04-21),

2. 12597597 - Passivated silicon-carbon composite materials (2026-04-07),

3. 12577657 - Vibro-thermally assisted chemical vapor infiltration (2026-03-17),

4. 12577114 - Silicon-carbon composites (2026-03-17),

5. 12562381 - Nano-featured porous silicon materials (2026-02-24),

6. 12537192 - Composites of porous nano-featured silicon materials and carbon materials (2026-01-27),

7. 12533654 - Carbon-based compositions with highly efficient volumetric gas sorption (2026-01-27),

8. 12497479 - Preparation of polymeric resins and carbon materials (2025-12-16),

9. 12494479 - Composite particles, negative electrode material, and lithium-ion secondary battery (2025-12-09),

10. 12418023 - Composite carbon materials comprising lithium alloying electrochemical modifiers (2025-09-16),

11. 12173165 - Methods for sol-gel polymerization in absence of solvent and creation of tunable carbon structure from same (2024-12-24),

12. 12155066 - Decomposition of silicon-containing precursors on porous scaffold materials (2024-11-26),

13. 12155065 - Negative electrode material for lithium-ion secondary battery and use thereof (2024-11-26),

14. 12148919 - Composite carbon particles and use thereof (2024-11-19),

15. 12084549 - Preparation of polymeric resins and carbon materials (2024-09-10),

Group14 Technologies, Inc., based in Woodinville, WA, specializes in the development of advanced silicon-carbon composites aimed at enhancing lithium-ion battery performance. The company focuses on innovative materials that improve energy density and efficiency, leveraging technologies such as gas sorption materials and nano-featured porous silicon. Their expertise extends to chemical vapor infiltration and polymeric resins, positioning them at the forefront of energy storage solutions and composite materials for various applications.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

Group14 Technologies, Inc.

51 Patents

#2 in Woodinville, WA

#157 in Washington

#6,876 in US

#13,753 in the World

Woodinville, WA, United States of America

Group14 Technologies, Inc.

Forward Citations = 658

26 inventors:

Henry R Costantino (48 out of 91 patents)

Avery J Sakshaug (42 out of 48 patents)

Aaron M Feaver (38 out of 68 patents)

4. Leah A Thompkins (33 out of 46 patents)

5. Benjamin E Kron (29 out of 37 patents)

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