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For the Inventor, By the Inventor

San Jose, CA, United States of America

Calient Networks, Inc.


USPTO Granted Patents = 45


Trademarks = 2

Forward Citations = 778

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44 inventors (with patents filed for the assignee):

goldMedal Roger Jonathan Helkey (25 out of 31 patents)

silverMedal John E Bowers (15 out of 78 patents)

bronzeMedal 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:

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),
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 based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Calient Networks, Inc.
45 Patents

#203 in San Jose, CA

#1,829 in California

#7,766 in US

#15,408 in the World

San Jose, CA (US)
San Jose, CA, United States of America

Calient Networks, Inc.

Forward Citations = 778

44 inventors:

goldMedal Roger Jonathan Helkey (25 out of 31 patents)

silverMedal John E Bowers (15 out of 78 patents)

bronzeMedal Xuezhe Zheng (9 out of 137 patents)

4.  Peter Hunt (8 out of 13 patents)

5.  Shifu Yuan (7 out of 12 patents)

Please report any incorrect information to [email protected]
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