Growing community of inventors

Bergen, Norway

Johan Backa

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 = 5

Johan Backa ↔ Esa Virtanen (1 patent)Johan Backa ↔ Torvald Haldin (1 patent)Johan Backa ↔ Karl Engman (1 patent)Johan BackaJohan Backa (1 patent)Esa VirtanenEsa Virtanen (8 patents)Torvald HaldinTorvald Haldin (1 patent)Karl EngmanKarl Engman (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Merger Recipient Abb Oy (1 from 1 patent)


1 patent:

1. 6456179 - Transformer

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1/12/2026
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