For the Inventor, By the Inventor

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Leeds, United Kingdom

Uniphy Limited

USPTO Granted Patents = 4

EPO Patents = 2

Forward Citations = 0

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5 inventors (with patents filed for the assignee):

David Lomas (4 out of 5 patents)

David Dearn (1 out of 10 patents)

Iain Macalister (1 out of 1 patent)

4. Jim Edward Nicholas (1 out of 1 patent)

5. Michael David Bean (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 12314517 - Optical touch screen (2025-05-27),

2. 12045420 - Optical touch screen (2024-07-23),

3. 11720210 - Optical input devices (2023-08-08),

4. 10684727 - Optical touch screen with a lossy dispersive FTIR layer (2020-06-16),

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USPTO Data Jan 1 1976 - Dec 23 2025

4 Patents

#21 in Leeds

#3,784 in United Kingdom

Leeds, United Kingdom

Uniphy Limited

Forward Citations = 0

5 inventors:

David Lomas (4 out of 5 patents)

David Dearn (1 out of 10 patents)

Iain Macalister (1 out of 1 patent)

4. Jim Edward Nicholas (1 out of 1 patent)

5. Michael David Bean (1 out of 1 patent)

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