Growing community of inventors

Beijing, China

Feng Fan

Average Co-Inventor Count = 2.00

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 = 19

Feng FanWeifeng Zheng (2 patents)Feng FanFeng Fan (2 patents)Weifeng ZhengWeifeng Zheng (13 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Powervision Tech Inc. (1 from 6 patents)


2 patents:

1. D860331 - Underwater vehicle

2. D830943 - Unmanned underwater vehicle

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as of
1/7/2026
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