For the Inventor, By the Inventor

Enter assignee name

Salem, NH, United States of America

Lightchip, Inc.

USPTO Granted Patents = 21

% Expired Patents = 4.8

Forward Citations = 390

Loading Chart...

Loading Chart...

20 inventors (with patents filed for the assignee):

Robert K Wade (17 out of 20 patents)

Joseph R Dempewolf (6 out of 7 patents)

Ian Turner (4 out of 10 patents)

4. Boyd V Hunter (4 out of 8 patents)

5. Robert H Dueck (3 out of 8 patents)

6. Paul S Zdinak (3 out of 6 patents)

7. Lawrence M Kuba (3 out of 27 patents)

8. Alan Eli Willner (2 out of 47 patents)

9. Derek Riemer (2 out of 7 patents)

10. Ray T Chen (2 out of 47 patents)

11. Mikhail N Sokolskiy (2 out of 4 patents)

12. Yuri A Yudin (2 out of 2 patents)

13. John Richard Franzini (2 out of 10 patents)

14. Ninghui Zhu (1 out of 9 patents)

15. Gregory G Cappiello (1 out of 12 patents)

21 patents: Sort by Forward Citations

1. D470458 - Fiber optic jumper (2003-02-19),

2. D468732 - Optical communications device housing portion (2003-01-15),

3. 6480648 - Technique for detecting the status of WDM optical signals (2002-11-12),

4. D465216 - Optical communications device housing portion (2002-11-06),

5. 6449097 - Diffraction grating for wavelength division multiplexing/demultiplexing devices (2002-09-10),

6. 6449068 - Optical power managed network node for processing dense wavelength division multiplexed optical signals (2002-09-10),

7. 6434299 - Wavelength division multiplexing/demultiplexing devices having concave diffraction gratings (2002-08-13),

8. 6415073 - Wavelength division multiplexing/demultiplexing devices employing patterned optical components (2002-07-02),

9. 6404945 - Wavelength division multiplexing/demultiplexing devices using homogeneous refractive index lenses (2002-06-11),

10. 6343169 - Ultra-dense wavelength division multiplexing/demultiplexing device (2002-01-29),

11. 6298182 - Wavelength division multiplexing/demultiplexing devices using polymer lenses (2001-10-02),

12. 6289155 - Wavelength division multiplexing/demultiplexing devices using dual high index of refraction crystalline lenses (2001-09-11),

13. 6271970 - Wavelength division multiplexing/demultiplexing devices using dual homogeneous refractive index lenses (2001-08-07),

14. 6263135 - Wavelength division multiplexing/demultiplexing devices using high index of refraction crystalline lenses (2001-07-17),

15. 6243513 - Wavelength division multiplexing/demultiplexing devices using diffractive optic lenses (2001-06-05),

Company Overview

Lightchip, Inc. is a technology company based in Salem, NH, specializing in advanced optical and photonic solutions. The company focuses on developing innovative products that leverage light-based technologies for various applications, including telecommunications and data processing. By harnessing the power of photonics, Lightchip aims to enhance performance and efficiency in communication systems, contributing to the evolution of high-speed data transfer and processing capabilities in the tech industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

21 Patents

#4 in Salem, NH

#104 in New Hampshire

#15,712 in US

#30,001 in the World

Salem, NH, United States of America

Lightchip, Inc.

Forward Citations = 390

20 inventors:

Robert K Wade (17 out of 20 patents)

Joseph R Dempewolf (6 out of 7 patents)

Ian Turner (4 out of 10 patents)

4. Boyd V Hunter (4 out of 8 patents)

5. Robert H Dueck (3 out of 8 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Lightchip, Inc.. Retrieved from https://idiyas.com/company/lightchip

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]

Loading…