Growing community of inventors

Jinan, China

Qingling Duan

Average Co-Inventor Count = 4.00

ph-index = 1

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 = 0

Qingling DuanWilliam Wei Lee (1 patent)Qingling DuanGuangfeng Yu (1 patent)Qingling DuanDianhua Zhao (1 patent)Qingling DuanQingling Duan (1 patent)William Wei LeeWilliam Wei Lee (6 patents)Guangfeng YuGuangfeng Yu (1 patent)Dianhua ZhaoDianhua Zhao (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Shandong Nanhai Airbag Engineering Co. Ltd. (1 from 1 patent)


1 patent:

1. 9919778 - Anti-cutting airbag

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as of
1/19/2026
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