Growing community of inventors

Espoo, Finland

Markku Virkki

Average Co-Inventor Count = 4.09

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 = 50

Markku VirkkiJuha H Apajalahti (2 patents)Markku VirkkiHannu A Paananen (1 patent)Markku VirkkiTammy Pepper (1 patent)Markku VirkkiJulita Pearson (1 patent)Markku VirkkiErkki Virtanen (1 patent)Markku VirkkiKalevi Visuri (1 patent)Markku VirkkiKaj-Erik Monten (1 patent)Markku VirkkiDavid Saunders (1 patent)Markku VirkkiSergio Luis Vargas Munita (1 patent)Markku VirkkiMarkku Virkki (3 patents)Juha H ApajalahtiJuha H Apajalahti (7 patents)Hannu A PaananenHannu A Paananen (31 patents)Tammy PepperTammy Pepper (11 patents)Julita PearsonJulita Pearson (6 patents)Erkki VirtanenErkki Virtanen (6 patents)Kalevi VisuriKalevi Visuri (5 patents)Kaj-Erik MontenKaj-Erik Monten (4 patents)David SaundersDavid Saunders (3 patents)Sergio Luis Vargas MunitaSergio Luis Vargas Munita (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Xyrofin Oy (1 from 36 patents)

2. Cultor Oy (1 from 9 patents)

3. Ssv Development Oy (1 from 1 patent)

4. Sareko Agro Oy (1 from 1 patent)


3 patents:

1. 6414035 - Use of polyols in combating yeast infection and polyol preparations for said use

2. 5948454 - Method for treatment of fibrous crops with a modified cellulase to

3. 5858424 - Use of an organic acids containing fraction for preserving forage

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as of
12/14/2025
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