EH

Erkki Hellen

SO Stora Enso Oyj: 2 patents #93 of 312Top 30%
UP Upm-Kymmene: 2 patents #68 of 265Top 30%
KO Kemira Oyj: 1 patents #176 of 376Top 50%
Overall (All Time): #1,923,360 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10844542 Method for providing a pretreated filler composition and its use in paper and board manufacturing Matti Hietaniemi, Mikko Virtanen, Katariina Torvinen, Terhi Saari 2020-11-24
9267237 Method of manufacturing paper and products obtained by the method Hans-Peter Hentze, Jenni Sievanen, John Kettle, Artem Kulachenko, Antti Korpela +5 more 2016-02-23