Growing community of inventors

Hollviken, Sweden

Carin Widerstrom

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 = 12

Carin WiderstromJan Karlsson (3 patents)Carin WiderstromCarin Widerstrom (3 patents)Jan KarlssonJan Karlsson (4 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Ab Astra (2 from 14 patents)

2. Astra Aktiebolag (1 from 271 patents)


3 patents:

1. D384147 - Respiratory face mask

2. D372530 - Respiratory face mask

3. 5535741 - Face mask

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idiyas.com
as of
12/15/2025
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