For the Inventor, By the Inventor

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Cambridge, United Kingdom

Huber+suhner Polatis Limited

USPTO Granted Patents = 3

EPO Patents = 3

Trademarks = 3

Forward Citations = 0

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5 inventors (with patents filed for the assignee):

Brian Robertson (2 out of 17 patents)

Daping Chu (2 out of 40 patents)

Haining Yang (1 out of 7 patents)

4. Ramses Pierco (1 out of 1 patent)

5. Haining Yang (1 out of 1 patent)

6. Peter John Wilkinson (3 patents)

3 patents: Sort by Forward Citations

1. 12124085 - Multiple wavelength band optical switching unit (2024-10-22),

2. 11418861 - Optical switching unit (2022-08-16),

3. 10382844 - Optical switches and methods of reducing cross-talk (2019-08-13),

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USPTO Data Jan 1 1976 - Dec 23 2025

3 Patents

#188 in Cambridge

#4,783 in United Kingdom

Cambridge, United Kingdom

Huber+suhner Polatis Limited

Forward Citations = 0

5 inventors:

Brian Robertson (2 out of 17 patents)

Daping Chu (2 out of 40 patents)

Haining Yang (1 out of 7 patents)

4. Ramses Pierco (1 out of 1 patent)

5. Haining Yang (1 out of 1 patent)

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