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Lansdale, PA, United States of America

Hao Chang

Average Co-Inventor Count = 2.00

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 = 4

Hao ChangMark Leaman Armstrong (2 patents)Hao ChangHao Chang (2 patents)Mark Leaman ArmstrongMark Leaman Armstrong (6 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. E.i. Dupont De Nemours and Company (2 from 16,338 patents)


2 patents:

1. 9057958 - Apparatus for thermal development with a conformable support

2. 8492073 - Method for thermal development with a conformable support

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