For the Inventor, By the Inventor

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Hong Kong, China

Power Quality Engineering Limited

USPTO Granted Patents = 2

Forward Citations = 7

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6 inventors (with patents filed for the assignee):

Neal George Stewart (1 out of 28 patents)

Wing Ling Cheng (1 out of 24 patents)

James D Puckett (1 out of 2 patents)

4. J Michael Pearson (1 out of 1 patent)

5. Paul E Russell (1 out of 1 patent)

6. Edward K Weiss (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 9148058 - High frequency series AC voltage regulator (2015-09-29),

2. 5535087 - Circuit for reducing effects of transient events on electronic equipment (1996-07-09),

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USPTO Data Jan 1 1976 - Jan 13 2026

2 Patents

#1,157 in Hong Kong

#10,088 in China

Hong Kong, China

Power Quality Engineering Limited

Forward Citations = 7

6 inventors:

Neal George Stewart (1 out of 28 patents)

Wing Ling Cheng (1 out of 24 patents)

James D Puckett (1 out of 2 patents)

4. J Michael Pearson (1 out of 1 patent)

5. Paul E Russell (1 out of 1 patent)

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