Growing community of inventors

Shanghai, China

Johnson Zhang

Average Co-Inventor Count = 5.00

ph-index = 2

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 34

Johnson Zhang ↔ Rui Li (3 patents)Johnson Zhang ↔ Leo Liu (3 patents)Johnson Zhang ↔ Allan Wang (3 patents)Johnson Zhang ↔ Lisa Mao (3 patents)Johnson ZhangJohnson Zhang (3 patents)Rui LiRui Li (28 patents)Leo LiuLeo Liu (12 patents)Allan WangAllan Wang (6 patents)Lisa MaoLisa Mao (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Philips Lighting Holding B.v. (3 from 853 patents)


3 patents:

1. D824071 - Road lighting luminaire

2. D822868 - Road lighting luminaire

3. D819246 - Road lighting luminaire

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as of
1/17/2026
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