San Jose, CA, United States of America

Barthelemy Fondeur

This inventor holds 24 USPTO granted patents and 4 published patent applications and 1 EPO patent, primarily in Optical Waveguide Technology. Top assignees: Jds Uniphase Corporation, Lumentum Operations LLC, Coring Incorporated. Active years: 2003-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Barthelemy Fondeur. Retrieved from https://idiyas.com/inventor/barthelemy-fondeur

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

USPTO Granted Patents = 24 

% Patents Active = 83.3


Average Co-Inventor Count = 2.9

ph-index = 6

Forward Citations = 144(Granted Patents)


Location History:

  • Fontainebleau, FR (2003)
  • Bourg la Reine, FR (2003)
  • Columbus, OH (US) (2004)
  • Mountain View, CA (US) (2005 - 2007)
  • San Jose, CA (US) (2008 - 2024)

Company Filing History:


Years Active: 2003-2024

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Areas of Expertise:
Mach-Zehnder Interferometer
Tunable Filter
Optical Network
Waveguide Device
Spectrometer
Chromatic Dispersion
Integrated Optical Switching
Phase Matched Grating
Planar Lightwave Circuit
Optical Performance Monitor
Temperature Drift
Dynamic Optical Demultiplexer
24 patents (USPTO):Explore Patents

Title: **The Innovative Contributions of Barthelemy Fondeur**

Introduction

Barthelemy Fondeur, a prominent inventor based in San Jose, California, has made significant strides in the field of optical technology. With an impressive portfolio of 24 patents, Fondeur's work focuses on enhancing optical devices and systems, showcasing his expertise and creativity in engineering.

Latest Patents

Fondeur's most recent patents include the development of a Mach-Zehnder interferometer featuring a mirrored facet. This invention involves a design where the delay line arm is formed on a chip, propagating light to the mirrored facet, which reflects a portion of the light back. His innovative approach aims to improve the efficiency and functionality of optical measurements. Additionally, he has patented a coupling mechanism between a waveguide device and a fiber stub. In this design, a fiber stub containing a first optical fiber is directly attached to a waveguide device, enhancing the connection capabilities between optical components in a robust manner.

Career Highlights

Throughout his career, Barthelemy Fondeur has worked with notable companies such as JDS Uniphase Corporation and Lumentum Operations LLC. His contributions to these organizations have positioned him as a key figure in the development of cutting-edge optical technologies.

Collaborations

Fondeur's innovative journey has been marked by collaborations with esteemed colleagues, including Jinxi Shen and Douglas E. Crafts. These partnerships have allowed for the exchange of ideas and advancements in optical device design, further amplifying the impact of their collective work on the industry.

Conclusion

Barthelemy Fondeur stands out as a significant contributor to the field of innovation in optical technology. His 24 patents reflect a commitment to pushing the boundaries of what is possible in optical systems, influencing the way light is manipulated in various applications. As technology continues to evolve, Fondeur’s inventions will likely play a pivotal role in shaping future advancements.

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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