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For the Inventor, By the Inventor

London, United Kingdom

Neptune Subsea IP Limited


USPTO Granted Patents = 17

% Expired Patents = 29.4


Trademarks = 2

Forward Citations = 17

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12 inventors (with patents filed for the assignee):

goldMedal Wayne S Pelouch (6 out of 17 patents)

silverMedal Do-Il Chang (5 out of 14 patents)

bronzeMedal Herve A Fevrier (5 out of 13 patents)

4.  David Antony Frisch (3 out of 3 patents)

5.  Alistair Hill (3 out of 3 patents)

6.  John G Ellison (3 out of 12 patents)

7.  Stephen Michael Webb (3 out of 21 patents)

8.  Stephen Desbruslais (2 out of 5 patents)

9.  Philippe Andre Perrier (2 out of 4 patents)

10.  Grant Kardos (1 out of 1 patent)

11.  Ian Wood (1 out of 1 patent)

12.  Edwin A Zak (1 out of 1 patent)

13.  James A Hess (2 patents)

14.  Kevin Willoughby (2 patents)

15.  John Durban (2 patents)


17 patents:

1. 11347004 - Submarine optical system with free space optical add/drop multiplexer (2022-05-31),
2. 11271654 - Repeater powering (2022-03-08),
3. 10998977 - System and method of optical fiber communication (2021-05-04),
4. 10805008 - Optical amplifiers that support gain clamping and optionally power loading (2020-10-13),
5. 10721001 - Submarine optical cable shore landing apparatus (2020-07-21),
6. 10707957 - Optical branching unit (2020-07-07),
7. 10707638 - Integrated signal loss detection in Raman amplified fiber spans or other fiber spans (2020-07-07),
8. 10516477 - Repeater OTDR using repeater based Raman pumps (2019-12-24),
9. 10484086 - Optical branching unit (2019-11-19),
10. 10404374 - Optical networking with support for unidirectional optical links (2019-09-03),
11. 10320484 - Optical networking with support for unidirectional optical links (2019-06-11),
12. 10313020 - Optical transmission system and related remote optically pumped amplifier (ROPA) and method (2019-06-04),
13. 10263712 - Submarine optical cable shore landing apparatus (2019-04-16),
14. 9985727 - Feedback controlled Raman amplification in optical system (2018-05-29),
15. 9838136 - Optical transmission system and related remote optically pumped amplifier (ROPA) and method (2017-12-05),
Company Overview
Neptune Subsea IP Limited is a London-based company specializing in subsea technology and solutions for the offshore energy sector. The organization focuses on the development of innovative products and services that enhance the efficiency and safety of subsea operations. With expertise in areas such as underwater robotics, subsea engineering, and advanced materials, Neptune Subsea IP aims to address the challenges faced in deepwater exploration and production, contributing to the sustainable advancement of marine resources.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

17 Patents

#214 in London

#1,059 in United Kingdom

#35,948 in the World

London, GB
London, United Kingdom

Neptune Subsea IP Limited

Forward Citations = 17

12 inventors:

goldMedal Wayne S Pelouch (6 out of 17 patents)

silverMedal Do-Il Chang (5 out of 14 patents)

bronzeMedal Herve A Fevrier (5 out of 13 patents)

4.  David Antony Frisch (3 out of 3 patents)

5.  Alistair Hill (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Neptune Subsea IP Limited. Retrieved from https://idiyas.com/company/neptune-subsea-ip

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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