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Rochester Hills, MI, United States of America

Energy Conversion Devices, Inc.

USPTO Granted Patents = 429

CIPO Patents = 7

EPO Patents = 1

Forward Citations = 24,150

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236 inventors (with patents filed for the assignee):

Stanford R Ovshinsky (171 out of 324 patents)

Rosa T Young (37 out of 57 patents)

Vincent D Cannella (37 out of 50 patents)

4. Prem Nath (37 out of 61 patents)

5. Masatsugu Izu (33 out of 43 patents)

6. Stephen J Hudgens (29 out of 70 patents)

7. Krishna Sapru (27 out of 27 patents)

8. David A Strand (25 out of 29 patents)

9. Joachim Doehler (25 out of 27 patents)

10. Zvi Yaniv (23 out of 43 patents)

11. Wolodymyr Czubatyj (19 out of 55 patents)

12. Robert R Johnson (19 out of 21 patents)

13. Srinivasan Venkatesan (15 out of 57 patents)

14. Michael A Fetcenko (12 out of 71 patents)

15. David V Tsu (11 out of 12 patents)

Core Competencies:

Photonic Integrated Circuit

Optical Data Storage

Chalcogenide Devices

Hydrogen Storage Materials

Fuel Cell Technology

Quantum Limit Catalysts

Analog Neurons

Phase Change Memory

Hydrogen Powered Vehicles

Non-Contacting Diagnostic Devices

Photonic Crystals

Thermal Response Induction Heating

429 patents: Sort by Forward Citations

1. 7491448 - Reticulated foam-like structure formed of nano-scale particulate (2009-02-17),

2. 7447404 - Photonic integrated circuit (2008-11-04),

3. 7388825 - Optical data storage and retrieval systems utilizing dual energy sources (2008-06-17),

4. 7388178 - Rapid thermal response induction heating system for platen embossing (2008-06-17),

5. 7292521 - Optical data storage and systems utilizing plasmon lenses (2007-11-06),

6. 7250386 - Quantum limit catalysts and hydrogen storage materials (2007-07-31),

7. 7227221 - Multiple bit chalcogenide storage device (2007-06-05),

8. 7227170 - Multiple bit chalcogenide storage device (2007-06-05),

9. 7186999 - Error reduction circuit for chalcogenide devices (2007-03-06),

10. 7186998 - Multi-terminal device having logic functional (2007-03-06),

11. 7144241 - Method and apparatus for forming microstructures on polymeric substrates (2006-12-05),

12. 7113474 - Increased data storage in optical data storage and retrieval systems using blue lasers and/or plasmon lenses (2006-09-26),

13. 7085155 - Secured phase-change devices (2006-08-01),

14. 7065274 - Optical coupling device (2006-06-20),

15. 7054524 - Asymmetric photonic crystal waveguide element having symmetric mode fields (2006-05-30),

Energy Conversion Devices, Inc. (ECD) is a leading global provider of innovative thin-film solar technology solutions. With a strong focus on research and development, ECD has pioneered advancements in flexible and lightweight solar cell technology. Their products find applications in commercial, residential, and industrial sectors, delivering sustainable energy solutions to a wide range of customers worldwide.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

429 Patents

#1 in Rochester Hills, MI

#53 in Michigan

#1,063 in US

#2,136 in the World

Rochester Hills, MI, United States of America

Energy Conversion Devices, Inc.

Forward Citations = 24,150

236 inventors:

Stanford R Ovshinsky (171 out of 324 patents)

Rosa T Young (37 out of 57 patents)

Vincent D Cannella (37 out of 50 patents)

4. Prem Nath (37 out of 61 patents)

5. Masatsugu Izu (33 out of 43 patents)

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