Growing community of inventors

Oulu, Finland

Markku Kemppainen

Average Co-Inventor Count = 3.00

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 = 8

Markku Kemppainen ↔ Aki Kauhanen (1 patent)Markku Kemppainen ↔ Ossi Kahra (1 patent)Markku KemppainenMarkku Kemppainen (1 patent)Aki KauhanenAki Kauhanen (2 patents)Ossi KahraOssi Kahra (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Rautaruukki Oy (1 from 15 patents)


1 patent:

1. 5123358 - Bogie construction of a railway car

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