For the Inventor, By the Inventor

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Marlborough, MA, United States of America

Evergreen Solar, Inc.

USPTO Granted Patents = 32

% Expired Patents = 50.0

EPO Patents = 2

Forward Citations = 855

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21 inventors (with patents filed for the assignee):

Jack I Hanoka (13 out of 43 patents)

Richard Lee Wallace, Jr (6 out of 13 patents)

Emanuel Michael Sachs (5 out of 90 patents)

4. Richard L Wallace, Jr (5 out of 5 patents)

5. Weidong Huang (4 out of 9 patents)

6. Scott Reitsma (4 out of 10 patents)

7. Xinfa Ma (4 out of 4 patents)

8. Mark T Mrowka (4 out of 4 patents)

9. Brynley E Lord (4 out of 4 patents)

10. Richard K Baldwin (3 out of 6 patents)

11. Susan Kauzlarich (3 out of 4 patents)

12. David S Harvey (2 out of 6 patents)

13. Christine Richardson (2 out of 3 patents)

14. Daniel Doble (2 out of 2 patents)

15. Mary C Cretella (2 out of 2 patents)

Core Competencies:

Photovoltaic Cells

Crystal Growth

Silicon Nanocrystals

Antireflective Coating

Solar Cell Applications

Doping Semiconductors

Polymeric Materials

Metallization

Ribbon Crystal

Encapsulant Material

Continuous Melt Replenishment

Electrical Contacts

32 patents: Sort by Forward Citations

1. 8334453 - Shaped tab conductors for a photovoltaic cell (2012-12-18),

2. 8328932 - Ribbon crystal pulling furnace afterheater with at least one opening (2012-12-11),

3. 7842270 - Ribbon crystal having reduced wetting string (2010-11-30),

4. 7780782 - Method and apparatus for growing a ribbon crystal with localized cooling (2010-08-24),

5. 7718003 - Method and apparatus for crystal growth (2010-05-18),

6. 7708829 - Method and apparatus for crystal growth (2010-05-04),

7. 7651768 - Reduced wetting string for ribbon crystal (2010-01-26),

8. 7507291 - Method and apparatus for growing multiple crystalline ribbons from a single crucible (2009-03-24),

9. 7407550 - Method and apparatus for crystal growth (2008-08-05),

10. 7267721 - Method for preparing group IV nanocrystals with chemically accessible surfaces (2007-09-11),

11. 7232484 - Method and apparatus for doping semiconductors (2007-06-19),

12. 7214599 - High yield method for preparing silicon nanocrystal with chemically accessible surfaces (2007-05-08),

13. 7022180 - Method and apparatus for growing multiple crystalline ribbons from a single crucible (2006-04-04),

14. 7001455 - Method and apparatus for doping semiconductors (2006-02-21),

15. 6855204 - High yield method for preparing silicon nanocrystals with chemically accessible surfaces (2005-02-15),

Company Overview

Evergreen Solar, Inc. is a prominent player in the renewable energy sector, specializing in the development and manufacturing of solar energy products. The company focuses on innovative photovoltaic technologies that enhance energy efficiency and sustainability. With a commitment to advancing solar power solutions, Evergreen Solar operates primarily in the United States, contributing to the growing demand for clean energy alternatives. Its research initiatives aim to improve solar cell performance and reduce production costs, fostering a more sustainable future.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

32 Patents

#16 in Marlborough, MA

#637 in Massachusetts

#10,599 in US

#20,671 in the World

Marlborough, MA, United States of America

Evergreen Solar, Inc.

Forward Citations = 855

21 inventors:

Jack I Hanoka (13 out of 43 patents)

Richard Lee Wallace, Jr (6 out of 13 patents)

Emanuel Michael Sachs (5 out of 90 patents)

4. Richard L Wallace, Jr (5 out of 5 patents)

5. Weidong Huang (4 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Evergreen Solar, Inc.. Retrieved from https://idiyas.com/company/evergreen-solar

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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