Growing community of inventors

Shanghai, China

Helen Zhang

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

Helen Zhang ↔ Wei Cao (1 patent)Helen Zhang ↔ Wei Cao (3 patents)Helen Zhang ↔ Luyi Zhang (1 patent)Helen Zhang ↔ Luyi Zhang (0 patent)Helen ZhangHelen Zhang (1 patent)Wei CaoWei Cao (99 patents)Wei CaoWei Cao (3 patents)Luyi ZhangLuyi Zhang (1 patent)Luyi ZhangLuyi Zhang (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Cellular Biomedicine Group (Shanghai) Ltd. (1 from 3 patents)

2. Cellular Biomedicine Group (Wuxi) Ltd. (1 from 3 patents)

3. Cellular Biomedicine Group, Inc. (4 patents)


1 patent:

1. 9481865 - Serum-free freezing medium used in adipose-derived stem cells and establishment of adipose-derived stem cell library

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1/7/2026
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