Growing community of inventors

Shanghai, China

Henry Haihua Chang

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 = 0

Henry Haihua Chang ↔ Chao Chen (1 patent)Henry Haihua Chang ↔ Patrick Minggang Lu (1 patent)Henry Haihua Chang ↔ Sandro Jiawei Wu (1 patent)Henry Haihua Chang ↔ Wenrey Wenlei Guo (1 patent)Henry Haihua ChangHenry Haihua Chang (1 patent)Chao ChenChao Chen (79 patents)Patrick Minggang LuPatrick Minggang Lu (5 patents)Sandro Jiawei WuSandro Jiawei Wu (2 patents)Wenrey Wenlei GuoWenrey Wenlei Guo (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Emc IP Holding Company LLC (1 from 7,355 patents)


1 patent:

1. 10140195 - Method, apparatus, and computer program product for backup and failure recovery in a storage device

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12/20/2025
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