Growing community of inventors

Solana Beach, CA, United States of America

David A Johnson

Average Co-Inventor Count = 1.00

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 = 8

David A JohnsonDavid A Johnson (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Microvision Optical, Inc. (2 from 14 patents)


2 patents:

1. 10156735 - Dual-folding eyeglasses and eyeglass collapsible case

2. 9541771 - Dual-folding eyeglasses and eyeglass collapsible case

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as of
1/10/2026
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