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San Jose, CA, United States of America

E-Tek Dynamics, Inc.

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USPTO Granted Patents = 84

Forward Citations = 1,396

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47 inventors (with patents filed for the assignee):

Jing-Jong J Pan (66 out of 87 patents)

Ming M Shih (20 out of 20 patents)

Jingyu Xu (13 out of 16 patents)

4. Yonglin Huang (8 out of 37 patents)

5. J J Pan (8 out of 8 patents)

6. Yuan Shi (7 out of 7 patents)

7. Kai Zhang (5 out of 22 patents)

8. Kok Wai Chang (5 out of 30 patents)

9. Li-Hua Wang (5 out of 5 patents)

10. Jian Feng Chen (4 out of 198 patents)

11. Donna S Yu (4 out of 4 patents)

12. Paul Shi-Qi Jiang (4 out of 4 patents)

13. Frank Y Liang (3 out of 3 patents)

14. Yong Huang (2 out of 7 patents)

15. Kejian Guan (2 out of 6 patents)

Core Competencies:

Optical Isolator

Variable Attenuator

Fiber Coupler

Bragg Grating

Wavelength Division Multiplexing

Electromechanical Switch

Laser Diode

Polarization Beam Splitter

Optical Amplifier

Miniaturized Devices

Thermo-Optic Control

Programmable Power Supply

84 patents: Sort by Forward Citations

1. 6556765 - Planar variable optical attenuator (2003-04-29),

2. 6317250 - Optical isolator using multiple core fibers (2001-11-13),

3. 6275511 - Overlapping multiple fiber Bragg gratings (2001-08-14),

4. 6249625 - Fiberoptic devices with a joined optical fiber subassembly (2001-06-19),

5. 6246518 - Reflection type optical isolator (2001-06-12),

6. 6240220 - Tunable optical fiber package (2001-05-29),

7. 6219474 - Configurable optical add/drop device (2001-04-17),

8. 6212305 - Highly miniaturized, folded reflection optical isolator (2001-04-03),

9. 6208798 - Variable optical attenuator with thermo-optic control (2001-03-27),

10. 6198858 - Integrable fiberoptic coupler and resulting devices and systems (2001-03-06),

11. 6195479 - Fiberoptic reflective variable attenuator and on-off switch (2001-02-27),

12. 6181851 - Temperature-compensated optical fiber package (2001-01-30),

13. 6181846 - Fiberoptic liquid crystal on-off switch and variable attenuator (2001-01-30),

14. 6169626 - Optical signal interleaver (2001-01-02),

15. 6149278 - Wavelength independent variable optical attenuator (2000-11-21),

Company Overview

E-Tek Dynamics, Inc., based in San Jose, California, specializes in advanced fiber optic technologies. The company focuses on developing and manufacturing critical components such as optical isolators, variable attenuators, and fiber couplers, which are essential for enhancing the performance and reliability of optical communication systems. E-Tek also engages in research related to Bragg gratings, wavelength division multiplexing, and various optical devices, contributing to innovations in telecommunications and data transmission.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

84 Patents

#127 in San Jose, CA

#1,023 in California

#4,433 in US

#9,073 in the World

San Jose, CA, United States of America

E-Tek Dynamics, Inc.

Forward Citations = 1,396

47 inventors:

Jing-Jong J Pan (66 out of 87 patents)

Ming M Shih (20 out of 20 patents)

Jingyu Xu (13 out of 16 patents)

4. Yonglin Huang (8 out of 37 patents)

5. J J Pan (8 out of 8 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: E-Tek Dynamics, Inc.. Retrieved from https://idiyas.com/company/e-tek-dynamics

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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