For the Inventor, By the Inventor

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San Jose, CA, United States of America

Calient Networks, Inc.

USPTO Granted Patents = 45

EPO Patents = 1

Trademarks = 2

Forward Citations = 778

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44 inventors (with patents filed for the assignee):

Roger Jonathan Helkey (25 out of 31 patents)

John E Bowers (15 out of 78 patents)

Xuezhe Zheng (9 out of 137 patents)

4. Peter Hunt (8 out of 13 patents)

5. Shifu Yuan (7 out of 12 patents)

6. David Edward Welsh (7 out of 8 patents)

7. Charles Matthew Corbalis (6 out of 23 patents)

8. John Matthew Chong (6 out of 6 patents)

9. Scott G Adams (5 out of 36 patents)

10. Tim Davis (5 out of 5 patents)

11. Adrian Keating (5 out of 5 patents)

12. Noel C MacDonald (5 out of 71 patents)

13. Kevin J White (4 out of 23 patents)

14. Walt Joseph Fant (4 out of 4 patents)

15. Tony Walter (4 out of 4 patents)

Core Competencies:

Optical Switch

Microelectromechanical Devices

Wavelength Routing

Optical Amplification

Electrostatic Actuator

Fiber Optical Power Detection

Optical Cross-Connect

Feedback Stabilization

Micromachined Apparatus

Loss Optimization

Optical Signal Tap

Integrated Optical Devices

45 patents: Sort by Forward Citations

1. 7728339 - Boundary isolation for microelectromechanical devices (2010-06-01),

2. 7676125 - Method and apparatus to provide multi-channel bulk fiber optical power detection (2010-03-09),

3. 7529441 - Wavelength routing optical switch (2009-05-05),

4. 7496252 - Optical switch fabric with redundancy (2009-02-24),

5. 7379668 - Optical amplification in photonic switched crossconnect systems (2008-05-27),

6. 7261826 - Electrostatic actuator for microelectromechanical systems and methods of fabrication (2007-08-28),

7. 7254293 - Wavelength routing optical switch (2007-08-07),

8. 7248760 - Optical switch fabric with redundancy (2007-07-24),

9. 7146069 - Optical system for selectable delay (2006-12-05),

10. 7142744 - Wavelength power equalization by attenuation in an optical switch (2006-11-28),

11. 7127137 - Optical switch with adjustable optical loss (2006-10-24),

12. 7110633 - Method and apparatus to provide alternative paths for optical protection path switch arrays (2006-09-19),

13. 7098571 - Electrostatic actuator for microelectromechanical systems and methods of fabrication (2006-08-29),

14. 6959126 - Multipurpose testing system for optical cross connect devices (2005-10-25),

15. 6950215 - Method and apparatus for monitoring optical switches (2005-09-27),

Company Overview

Calient Networks, Inc., based in San Jose, California, specializes in advanced optical networking solutions. The company focuses on developing microelectromechanical devices and optical switch fabrics that enhance data transmission efficiency and reliability. Its technology portfolio includes wavelength routing optical switches, optical amplification systems, and electrostatic actuators, which are integral to modern telecommunications infrastructure. Calient's innovations in optical cross-connect switches and micromachined apparatuses position it as a key player in the optical networking industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

45 Patents

#204 in San Jose, CA

#1,833 in California

#7,787 in US

#15,450 in the World

San Jose, CA, United States of America

Calient Networks, Inc.

Forward Citations = 778

44 inventors:

Roger Jonathan Helkey (25 out of 31 patents)

John E Bowers (15 out of 78 patents)

Xuezhe Zheng (9 out of 137 patents)

4. Peter Hunt (8 out of 13 patents)

5. Shifu Yuan (7 out of 12 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Calient Networks, Inc.. Retrieved from https://idiyas.com/company/calient-networks

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]

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