For the Inventor, By the Inventor

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Hong Kong, China

Longmax Corporation Ltd.

USPTO Granted Patents = 2

Forward Citations = 1

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6 inventors (with patents filed for the assignee):

Matthias Preindl (2 out of 18 patents)

Liwei Zhou (2 out of 3 patents)

Weizhong Wang (2 out of 2 patents)

4. William-Michael Eull (2 out of 2 patents)

5. Gangqi Cen (1 out of 1 patent)

6. Gangqi Cen (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 12263746 - Non-isolated DC fast charger for electrified vehicles (2025-04-01),

2. 11912147 - Non-isolated DC fast charger for electrified vehicles (2024-02-27),

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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#1,155 in Hong Kong

#10,025 in China

Hong Kong, China

Longmax Corporation Ltd.

Forward Citations = 1

6 inventors:

Matthias Preindl (2 out of 18 patents)

Liwei Zhou (2 out of 3 patents)

Weizhong Wang (2 out of 2 patents)

4. William-Michael Eull (2 out of 2 patents)

5. Gangqi Cen (1 out of 1 patent)

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