Growing community of inventors

Jinan, China

Duan Qingling

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

Duan QinglingWilliam Wei Lee (1 patent)Duan QinglingYu Guangfeng (1 patent)Duan QinglingZhao Dianhua (1 patent)Duan QinglingDuan Qingling (1 patent)William Wei LeeWilliam Wei Lee (6 patents)Yu GuangfengYu Guangfeng (1 patent)Zhao DianhuaZhao Dianhua (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (1 from 832,966 patents)


1 patent:

1. 9677238 - Pneumatic floating fender with a plastic protection cover

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/19/2026
Loading…