Growing community of inventors

Nodeland, Norway

Roy Birkeland

Average Co-Inventor Count = 1.78

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 = 8

Roy BirkelandNicolai Nilsen (1 patent)Roy BirkelandSoeren Oeydna (1 patent)Roy BirkelandPer Inge Roensberg (1 patent)Roy BirkelandEllen Kolnes (1 patent)Roy BirkelandJarle Ropstad (1 patent)Roy BirkelandBjarne Larsen (1 patent)Roy BirkelandLars Otto Sannes (1 patent)Roy BirkelandRoy Birkeland (2 patents)Nicolai NilsenNicolai Nilsen (3 patents)Soeren OeydnaSoeren Oeydna (3 patents)Per Inge RoensbergPer Inge Roensberg (2 patents)Ellen KolnesEllen Kolnes (1 patent)Jarle RopstadJarle Ropstad (1 patent)Bjarne LarsenBjarne Larsen (1 patent)Lars Otto SannesLars Otto Sannes (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mhwirth As (1 from 36 patents)

2. Aker Mh As (1 from 7 patents)


2 patents:

1. 12031393 - Drilling plants and methods

2. 9309727 - Mousehole apparatus

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idiyas.com
as of
12/20/2025
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