For the Inventor, By the Inventor

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Hong Kong, China

E. Energy Technology Limited

USPTO Granted Patents = 1

% Expired Patents = 100.0

Forward Citations = 5

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4 inventors (with patents filed for the assignee):

Shu Yuen Ron Hui (1 out of 74 patents)

Pak Chuen Tang (1 out of 1 patent)

Yiu Hung Lam (1 out of 1 patent)

4. Shu Hung Chung (1 out of 1 patent)

1 patent: Sort by Forward Citations

1. 7304439 - Phase-controlled dimmable electronic ballasts for fluorescent lamps with very wide dimming range (2007-12-04),

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USPTO Data Jan 1 1976 - Sep 15 2026

1 Patents

#1,828 in Hong Kong

#18,478 in China

Hong Kong, China

E. Energy Technology Limited

Forward Citations = 5

4 inventors:

Shu Yuen Ron Hui (1 out of 74 patents)

Pak Chuen Tang (1 out of 1 patent)

Yiu Hung Lam (1 out of 1 patent)

4. Shu Hung Chung (1 out of 1 patent)

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