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For the Inventor, By the Inventor

Still River, MA, United States of America

John W Lee

This inventor holds 7 USPTO granted patents. Top assignee: Polaroid Corporation. Active years: 1993-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John W Lee. Retrieved from https://idiyas.com/inventor/john-w-lee-4dgd0ftn

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 6.5

ph-index = 4

Forward Citations = 52(Granted Patents)


Company Filing History:

goldMedal7 out of 2,176 
 
Polaroid Corporation
 patents

Years Active: 1993-2002

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7 patents (USPTO):Explore Patents
1. 6482950 - Squarylium compounds, and processes and intermediates for the synthesis of these compounds (2002-11-19),
2. 5919950 - Squarylium compounds, and processes and intermediates for the synthesis (1999-07-06),
3. 5795981 - Processes for the preparation of squarylium dyes (1998-08-18),
4. 5492795 - Squarylium dyes, and processes and intermediates for the preparation (1996-02-20),
5. 5354873 - Squarylium dyes, and processes and intermediates for the preparation (1994-10-11),
6. 5231190 - Squarylium compounds, and processes and intermediates for the synthesis (1993-07-27),
7. 5227498 - Squarylium dyes, and processes and intermediates for the preparation (1993-07-13),

Title: The Innovations of John W. Lee

Introduction

John W. Lee is a notable inventor based in Still River, MA (US). He has made significant contributions to the field of chemistry, particularly in the development of squarylium compounds. With a total of 7 patents to his name, Lee's work has had a considerable impact on various applications.

Latest Patents

Among his latest patents, John W. Lee has focused on squarylium compounds and the processes and intermediates for their synthesis. These compounds are characterized by the formula where Q¹ and Q² represent different pyrylium nuclei, and R¹ and R² are aliphatic or cycloaliphatic groups. His innovative approach involves reacting a squaric acid derivative with a specific compound in the presence of a base, showcasing his expertise in organic chemistry.

Career Highlights

John W. Lee is currently associated with Polaroid Corporation, where he continues to push the boundaries of innovation. His work at Polaroid has allowed him to explore new avenues in chemical synthesis and material science. His dedication to research and development has positioned him as a key figure in his field.

Collaborations

Throughout his career, John W. Lee has collaborated with esteemed colleagues such as Donald A. McGowan and Stephen J. Telfer. These partnerships have fostered a collaborative environment that enhances the creative process and leads to groundbreaking discoveries.

Conclusion

John W. Lee's contributions to the field of chemistry, particularly through his patents on squarylium compounds, highlight his innovative spirit and dedication to advancing scientific knowledge. His work continues to inspire future generations of inventors and researchers.

Profile summary based on public USPTO records.
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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