For the Inventor, By the Inventor

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Maynard, MA, United States of America

Aprilis, Inc.

USPTO Granted Patents = 10

% Expired Patents = 90.0

Forward Citations = 117

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16 inventors (with patents filed for the assignee):

David A Waldman (9 out of 23 patents)

Richard T Ingwall (6 out of 16 patents)

Richard A Minns (4 out of 44 patents)

4. Erdem A Cetin (4 out of 4 patents)

5. John S Berg (3 out of 24 patents)

6. Vincent Fedele (2 out of 10 patents)

7. Daniel Henri Raguin (2 out of 27 patents)

8. Joby Joseph (1 out of 6 patents)

9. Larry Takiff (1 out of 7 patents)

10. David L Kent (1 out of 20 patents)

11. Phillip H Malyak (1 out of 19 patents)

12. Christopher J Butler (1 out of 2 patents)

13. Robert David Farraher (1 out of 1 patent)

14. M Glenn Horner (1 out of 2 patents)

15. Rod Hopwood (1 out of 1 patent)

10 patents: Sort by Forward Citations

1. 8538095 - Method and apparatus for processing biometric images (2013-09-17),

2. 7787110 - Diffractive imaging system and method for the reading and analysis of skin topology (2010-08-31),

3. 7728959 - Acquisition of high resolution biometric images (2010-06-01),

4. 7332249 - Holographic storage medium comprising polyfunctional epoxy monomers capable of undergoing cationic polymerization (2008-02-19),

5. 7297448 - Data storage medium comprising colloidal metal and preparation process thereof (2007-11-20),

6. 7070886 - Holographic storage medium comprising polyfunctional epoxy monomers capable of undergoing cationic polymerization (2006-07-04),

7. 6992805 - Holographic filter with a wide angular field of view and a narrow spectral bandwidth (2006-01-31),

8. 6904491 - Hybrid data storage system (2005-06-07),

9. 6881464 - Method and apparatus for producing optical recording media with accurately parallel surfaces (2005-04-19),

10. 6784300 - Holographic storage medium comprising polyfunctional epoxy monomers capable of undergoing cationic polymerization (2004-08-31),

Aprilis, Inc. is a leading technology company specializing in innovative solutions for businesses. With a focus on software development and digital transformation services, Aprilis helps companies improve efficiency, increase productivity, and achieve their strategic goals. Our team of experienced professionals is dedicated to providing cutting-edge technology solutions tailored to meet the unique needs of each client. Contact us today to learn more about how Aprilis can help your business succeed!

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

10 Patents

#6 in Maynard, MA

#1,770 in Massachusetts

#29,828 in US

#55,954 in the World

Maynard, MA, United States of America

Aprilis, Inc.

Forward Citations = 117

16 inventors:

David A Waldman (9 out of 23 patents)

Richard T Ingwall (6 out of 16 patents)

Richard A Minns (4 out of 44 patents)

4. Erdem A Cetin (4 out of 4 patents)

5. John S Berg (3 out of 24 patents)

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