Growing community of inventors

Oakland, CA, United States of America

Sophie S 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

Sophie S ChangWilliam R Belknap (2 patents)Sophie S ChangKent F McCue (2 patents)Sophie S ChangDavid R Rockhold (2 patents)Sophie S ChangNathaniel T Taylor (2 patents)Sophie S ChangSophie S Chang (2 patents)William R BelknapWilliam R Belknap (12 patents)Kent F McCueKent F McCue (9 patents)David R RockholdDavid R Rockhold (7 patents)Nathaniel T TaylorNathaniel T Taylor (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. United States of America, as Represented by the Secretary of Agriculture (2 from 1,195 patents)


2 patents:

1. 8927702 - [object Object]

2. 8921656 - [object Object]

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as of
1/10/2026
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