Growing community of inventors

Hangzhou, China

Changdong Han

Average Co-Inventor Count = 5.00

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

Changdong HanQiang Zhang (1 patent)Changdong HanXiaojun Wang (1 patent)Changdong HanChuan Qin (1 patent)Changdong HanHanyang Zeng (1 patent)Changdong HanChangdong Han (1 patent)Qiang ZhangQiang Zhang (25 patents)Xiaojun WangXiaojun Wang (6 patents)Chuan QinChuan Qin (3 patents)Hanyang ZengHanyang Zeng (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Alibaba Group Holding Limited (1 from 2,398 patents)


1 patent:

1. 11250080 - Method, apparatus, storage medium and electronic device for establishing question and answer system

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