Corning, NY, United States of America

James Crawford Bange

This inventor holds 4 USPTO granted patents and 1 published patent application. Top assignee: Corning Incorporated. Active years: 1998-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: James Crawford Bange. Retrieved from https://idiyas.com/inventor/james-crawford-bange

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

USPTO Granted Patents = 4 

% Patents Active = 100.0

Average Co-Inventor Count = 4.4

ph-index = 3

Forward Citations = 120(Granted Patents)


Company Filing History:


Years Active: 1998-2003

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4 patents (USPTO):Explore Patents

Title: Biography of James Crawford Bange

Introduction: James Crawford Bange is an accomplished inventor based in Corning, NY (US). He has made significant contributions to the field of optical materials, particularly in the development of fluorinated rare earth doped glass compositions.

Latest Patents: Bange holds four patents, with his latest inventions focusing on methods for creating fluorinated rare earth doped glass and glass-ceramic waveguides. These innovations are designed for applications in the 1300 nm and 1550 nm telecommunications windows, enhancing the performance of optical fiber waveguides, fiber lasers, and active fiber amplifiers.

Career Highlights: Bange's work has been instrumental in advancing optical technologies. His inventive compositions include specific concentrations of rare earth elements such as Pr and Dy, as well as Ag, which contribute to the creation of ionic charge balanced glass-ceramic crystals. These advancements help mitigate issues related to rare earth ion clustering and fluorescence quenching.

Collaborations: Throughout his career, Bange has collaborated with notable colleagues, including William Gurney Dorfeld and James C Hayes. These partnerships have fostered innovation and contributed to the success of his projects.

Conclusion: James Crawford Bange continues to be a key figure in the field of optical materials, with his patents reflecting a commitment to innovation and excellence. His work at Corning Incorporated exemplifies the

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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