For the Inventor, By the Inventor

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Cambridge, United Kingdom

Poro Technologies Ltd

USPTO Granted Patents = 9

EPO Patents = 2

Forward Citations = 0

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6 inventors (with patents filed for the assignee):

Tongtong Zhu (9 out of 13 patents)

Yingjun Liu (7 out of 11 patents)

Muhammad Ali (7 out of 9 patents)

4. Simon Hammersley (1 out of 1 patent)

5. Rachel Oliver (1 out of 1 patent)

6. Alex Yudin (1 out of 1 patent)

9 patents: Sort by Forward Citations

1. 12740216 - LED device having porous region of III-nitride material (2026-09-15),

2. 12701846 - LED device and method of manufacture (2026-08-04),

3. 12701824 - Micro-LED and method of manufacture (2026-08-04),

4. 12686938 - Wafer holder and method (2026-07-21),

5. 12684904 - Method of controlling bow in a semiconductor structure, semiconductor structure, and semiconductor device (2026-07-14),

6. 12593537 - Semiconductor structure and method of manufacture (2026-03-31),

7. 12588317 - LED display device, method of controlling the same, and method of manufacturing an LED display device (2026-03-24),

8. 12568717 - Red LED and method of manufacture (2026-03-03),

9. 12563866 - LED and method of manufacture (2026-02-24),

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USPTO Data Jan 1 1976 - Sep 22 2026

9 Patents

#105 in Cambridge Cambridgeshire CB24 9NG

#1,896 in United Kingdom

Cambridge, United Kingdom

Poro Technologies Ltd

Forward Citations = 0

6 inventors:

Tongtong Zhu (9 out of 13 patents)

Yingjun Liu (7 out of 11 patents)

Muhammad Ali (7 out of 9 patents)

4. Simon Hammersley (1 out of 1 patent)

5. Rachel Oliver (1 out of 1 patent)

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