Growing community of inventors

Kristiansand, Norway

Johan Arnold Johansen

Average Co-Inventor Count = 2.12

ph-index = 3

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 = 34

Johan Arnold JohansenStian Madshus (2 patents)Johan Arnold JohansenAlf Håberg (2 patents)Johan Arnold JohansenArnfinn Vatland (1 patent)Johan Arnold JohansenHermann Gran (1 patent)Johan Arnold JohansenReidar Ugland (1 patent)Johan Arnold JohansenSten Yngve Larsen (1 patent)Johan Arnold JohansenBjorn Egeland (1 patent)Johan Arnold JohansenBjørn Egeland (1 patent)Johan Arnold JohansenJohan Arnold Johansen (6 patents)Stian MadshusStian Madshus (2 patents)Alf HåbergAlf Håberg (2 patents)Arnfinn VatlandArnfinn Vatland (2 patents)Hermann GranHermann Gran (1 patent)Reidar UglandReidar Ugland (1 patent)Sten Yngve LarsenSten Yngve Larsen (1 patent)Bjorn EgelandBjorn Egeland (1 patent)Bjørn EgelandBjørn Egeland (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Elkem Asa (3 from 47 patents)

2. Elkem Carbon As (3 from 3 patents)


6 patents:

1. 10131997 - Method for the production of graphite bodies

2. 8748524 - Glue and coating for refractory materials and ceramics

3. 8535581 - Induction furnace for melting of metals, lining for an induction furnace and method for production of such lining

4. 6157667 - Method and calcining furnace for electric calcining of carbonaceous

5. 5978410 - Method for production of carbon electrodes

6. 5822358 - Method and apparatus for producing self-baking carbon electrode

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12/10/2025
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