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Huawei Marine Networks Co., Ltd.

USPTO Granted Patents = 11

EPO Patents = 12

Forward Citations = 37

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19 inventors (with patents filed for the assignee):

Wendou Zhang (6 out of 8 patents)

Changwu Xu (2 out of 5 patents)

Guozhong Wang (2 out of 2 patents)

4. Liping Ma (2 out of 4 patents)

5. Kai Sun (1 out of 41 patents)

6. Xiaoyan Fan (1 out of 3 patents)

7. Dan Su (1 out of 33 patents)

8. Likun Zhang (1 out of 1 patent)

9. Keqiang Cui (1 out of 1 patent)

10. Guangjun Wang (1 out of 2 patents)

11. Yingxin Hu (1 out of 1 patent)

12. Daizhen Chao (1 out of 1 patent)

13. Guoyao Zhou (1 out of 1 patent)

14. Stephen G Evangelides, Jr (1 out of 10 patents)

15. David S DeVincentis (1 out of 16 patents)

11 patents: Sort by Forward Citations

1. 9923660 - Optical add-drop multiplexer and branching unit (2018-03-20),

2. 9876574 - Optical repeater and optical fiber communications system (2018-01-23),

3. 9768899 - Optical add/drop multiplexer branching unit (2017-09-19),

4. 9762348 - Reconfigurable optical add-drop multiplexer apparatus (2017-09-12),

5. 9705593 - Communications device and method (2017-07-11),

6. 9276672 - Method, transport apparatus, and system for detecting submarine optical cable line (2016-03-01),

7. 9194763 - Optical time-domain reflectometry signal detection method and apparatus (2015-11-24),

8. 9059797 - Method, apparatus and unit for detecting fault of submarine device (2015-06-16),

9. 8676053 - Method for monitoring fiber line state, repeater, submarine cable system (2014-03-18),

10. 7869708 - COTDR arrangement with swept frequency pulse generator for an optical transmission system (2011-01-11),

11. 7529020 - Optical amplifier module housed in a universal cable joint for an undersea optical transmission system (2009-05-05),

Huawei Marine Networks Co., Ltd. is a global provider of submarine cable networks and solutions, offering cutting-edge technology for telecommunications and internet connectivity. With a strong focus on innovation and quality, Huawei Marine is a trusted partner for reliable and efficient undersea communication networks.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

11 Patents

#30 in Tianjin

#2,258 in China

#50,208 in the World

Huawei Marine Networks Co., Ltd.

Forward Citations = 37

19 inventors:

Wendou Zhang (6 out of 8 patents)

Changwu Xu (2 out of 5 patents)

Guozhong Wang (2 out of 2 patents)

4. Liping Ma (2 out of 4 patents)

5. Kai Sun (1 out of 41 patents)

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