For the Inventor, By the Inventor

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Graphene Lighting China Limited

USPTO Granted Patents = 2

Forward Citations = 0

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5 inventors (with patents filed for the assignee):

Yu Ngok Li (2 out of 281 patents)

Kuo-Hsin Chang (2 out of 17 patents)

Chung-Ping Lai (2 out of 31 patents)

4. Wenbo Ma (2 out of 55 patents)

5. Qiurong Liao (2 out of 8 patents)

2 patents: Sort by Forward Citations

1. 10907772 - LED lamp and LED emitter of the same (2021-02-02),

2. 10788164 - LED emitter and LED lamp having the same (2020-09-29),

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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#153 in Nanjing

#10,024 in China

Graphene Lighting China Limited

Forward Citations = 0

5 inventors:

Yu Ngok Li (2 out of 281 patents)

Kuo-Hsin Chang (2 out of 17 patents)

Chung-Ping Lai (2 out of 31 patents)

4. Wenbo Ma (2 out of 55 patents)

5. Qiurong Liao (2 out of 8 patents)

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