Growing community of inventors

Horten, Norway

Rolf Johannessen

Average Co-Inventor Count = 6.00

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

Rolf Johannessen ↔ Charles Edward Baumgartner (1 patent)Rolf Johannessen ↔ David A Chartrand (1 patent)Rolf Johannessen ↔ Jessica Lynn Abraham (1 patent)Rolf Johannessen ↔ Bjornar Sten-Nilsen (1 patent)Rolf Johannessen ↔ Trym Eggen (1 patent)Rolf JohannessenRolf Johannessen (1 patent)Charles Edward BaumgartnerCharles Edward Baumgartner (44 patents)David A ChartrandDavid A Chartrand (7 patents)Jessica Lynn AbrahamJessica Lynn Abraham (4 patents)Bjornar Sten-NilsenBjornar Sten-Nilsen (2 patents)Trym EggenTrym Eggen (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. General Electric Company (1 from 51,873 patents)


1 patent:

1. 8659212 - Ultrasound transducer and method for manufacturing an ultrasound transducer

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12/7/2025
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