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Sunnyvale, CA, United States of America

Richard Han-Soo Cho

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 = 3

Richard Han-Soo ChoYoungshik Yoon (2 patents)Richard Han-Soo ChoRichard Han-Soo Cho (2 patents)Youngshik YoonYoungshik Yoon (54 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Facebook Technologies, LLC (1 from 1,941 patents)

2. Meta Platforms Technologies, LLC (1 from 1,626 patents)


2 patents:

1. 11841502 - Reflective polarizer for augmented reality and virtual reality display

2. 10739586 - Reflective polarizer for augmented reality and virtual reality display

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as of
12/4/2025
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