Growing community of inventors

Ludvika, Sweden

Ulf Johnsen

Average Co-Inventor Count = 4.00

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 = 13

Ulf JohnsenLennart Stenstrom (1 patent)Ulf JohnsenBengt Thors (1 patent)Ulf JohnsenBror Axelsson (1 patent)Ulf JohnsenUlf Johnsen (1 patent)Lennart StenstromLennart Stenstrom (8 patents)Bengt ThorsBengt Thors (3 patents)Bror AxelssonBror Axelsson (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Asea Aktiebolag (1 from 414 patents)


1 patent:

1. 4352140 - Surge arrester

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12/5/2025
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