Growing community of inventors

Portland, OR, United States of America

Preston Smith

Average Co-Inventor Count = 2.00

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 = 26

Preston SmithChi-hing Choi (3 patents)Preston SmithPreston Smith (3 patents)Chi-hing ChoiChi-hing Choi (5 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Intel Corporation (3 from 54,688 patents)


3 patents:

1. 6642141 - In-situ silicon nitride and silicon based oxide deposition with graded interface for damascene application

2. 6507081 - In-situ silicon nitride and silicon based oxide deposition with graded interface for damascene application

3. 6255233 - In-situ silicon nitride and silicon based oxide deposition with graded interface for damascene application

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as of
12/15/2025
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