Growing community of inventors

Beijing, China

Chang Tu

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 = 18

Chang TuYang Zhang (2 patents)Chang TuYanfeng Wang (2 patents)Chang TuChang Tu (2 patents)Yang ZhangYang Zhang (150 patents)Yanfeng WangYanfeng Wang (35 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Beijing Sogou Technology Development Co., Ltd. (2 from 40 patents)


2 patents:

1. 11106709 - Recommendation method and device, a device for formulating recommendations

2. D828846 - Cellphone display screen with graphical user interface

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1/14/2026
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