Growing community of inventors

Guangdong, China

Qingfu Zhang

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

Qingfu ZhangXiongqiang He (1 patent)Qingfu ZhangShaoping Chen (1 patent)Qingfu ZhangXusheng Yang (1 patent)Qingfu ZhangQingfu Zhang (1 patent)Xiongqiang HeXiongqiang He (9 patents)Shaoping ChenShaoping Chen (8 patents)Xusheng YangXusheng Yang (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Osram Gmbh (1 from 756 patents)


1 patent:

1. 9197122 - Load drive circuit, load drive method, and luminaire

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12/19/2025
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