For the Inventor, By the Inventor

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London, United Kingdom

Protostar Group Ltd.

USPTO Granted Patents = 4

EPO Patents = 2

Trademarks = 2

Forward Citations = 0

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6 inventors (with patents filed for the assignee):

Ehab Tasfai (3 out of 3 patents)

Talal Hasan (3 out of 3 patents)

Juerg Matter (3 out of 3 patents)

4. Karan Khimji (2 out of 2 patents)

5. Amin Amin (1 out of 1 patent)

6. Hammad Tariq Janjuhah (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 12729607 - Cement system for COinjection and sequestration in mafic/ultramafic rock and method of use (2026-09-08),

2. 12553315 - Method of measuring carbon dioxide sequestration (2026-02-17),

3. 12168610 - System and method for permanent carbon dioxide sequestration using a renewable energy source (2024-12-17),

4. 12006471 - Nanobubbles and gas-liquid mixtures for enhanced carbon dioxide sequestration (2024-06-11),

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USPTO Data Jan 1 1976 - Sep 29 2026

4 Patents

#657 in London

#3,861 in United Kingdom

London, United Kingdom

Protostar Group Ltd.

Forward Citations = 0

6 inventors:

Ehab Tasfai (3 out of 3 patents)

Talal Hasan (3 out of 3 patents)

Juerg Matter (3 out of 3 patents)

4. Karan Khimji (2 out of 2 patents)

5. Amin Amin (1 out of 1 patent)

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