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Johnstown, PA, United States of America

Ulf Engström

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 = 2

Ulf Engström ↔ Sigurd Berg (1 patent)Ulf EngströmUlf Engström (1 patent)Sigurd BergSigurd Berg (3 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Hoganas Ab (1 from 79 patents)


1 patent:

1. 7341689 - Pre-alloyed iron based powder

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