Forward Citations = 36

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1 inventor (with patents filed for the assignee):

John D Plumadore (8 out of 20 patents)

8 patents: Sort by Forward Citations

1. 4676626 - Optical system for electrophotographic film camera/reader-verifier (1987-06-30),

2. 4595276 - Inclined toner flow control system for developing an electrostatic (1986-06-17),

3. 4526850 - Diode bias electrophotographic toning system and method (1985-07-02),

4. 4515463 - Inclined toner flow control system for developing an electrostatic (1985-05-07),

5. 4461566 - Desk-top camera/processor-reader apparatus for electrophotographic film (1984-07-24),

6. 4461561 - Apparatus for imaging and developing electrophotographic microformats (1984-07-24),

7. 4392734 - Electrophotographic camera (1983-07-12),

8. 4249328 - Electrophotographic slide and method of making same (1981-02-10),

Company Overview

Photon Chroma, Inc. is a leading provider of advanced optical solutions for a wide range of applications. With expertise in photonics, optics, and imaging technologies, we offer innovative products and services to our customers in various industries including healthcare, defense, and automotive. Our team of experienced engineers and scientists is dedicated to delivering cutting-edge solutions that meet the unique needs of our clients. Visit our website to learn more about our products and services.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

8 Patents

#7 in Westfield, MA

#2,096 in Massachusetts

#35,893 in US

Westfield, MA, United States of America

Photon Chroma, Inc.

Forward Citations = 36

1 inventor:

John D Plumadore (8 out of 20 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Photon Chroma, Inc.. Retrieved from https://idiyas.com/company/photon-chroma

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]