Growing community of inventors

Shandong, China

Hanlong Cheng

Average Co-Inventor Count = 3.00

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 = 1

Hanlong ChengChunfa Liu (2 patents)Hanlong ChengChengfei Zhang (2 patents)Hanlong ChengHanlong Cheng (2 patents)Chunfa LiuChunfa Liu (58 patents)Chengfei ZhangChengfei Zhang (11 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Goertek Inc. (2 from 682 patents)


2 patents:

1. 11930343 - Sound producing unit, sound producing module, and electronic terminal

2. 11310603 - Sound producing unit, sound producing module, and electronic terminal

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1/21/2026
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