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Foster City, CA, United States of America

Hengqin Cheng

Average Co-Inventor Count = 5.00

ph-index = 2

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 = 9

Hengqin ChengAnantha R Sudhakar (4 patents)Hengqin ChengAhmad Hashash (4 patents)Hengqin ChengSean Ritchie (4 patents)Hengqin ChengJeff Jacobs (4 patents)Hengqin ChengHengqin Cheng (4 patents)Anantha R SudhakarAnantha R Sudhakar (47 patents)Ahmad HashashAhmad Hashash (8 patents)Sean RitchieSean Ritchie (5 patents)Jeff JacobsJeff Jacobs (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sunesis Pharmaceuticals, Inc. (4 from 63 patents)


4 patents:

1. 9969730 - Stable SNS-595 compositions and methods of preparation

2. 9469635 - Stable SNS-595 compositions and methods of preparation

3. 8586601 - Stable SNS-595 compositions and methods of preparation

4. 8138202 - Stable SNS-595 compositions and methods of preparation

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as of
12/19/2025
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