For the Inventor, By the Inventor

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M-Real Corporation

USPTO Granted Patents = 2

% Expired Patents = 50.0

Trademarks = 1

Forward Citations = 19

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4 inventors (with patents filed for the assignee):

Petri Silenius (1 out of 11 patents)

Kent Börje Eriksson (1 out of 1 patent)

Oskar Nordin (1 out of 1 patent)

4. Markku Leskela (1 out of 3 patents)

2 patents: Sort by Forward Citations

1. 7198696 - Method for manufacturing paper with a constant filler content (2007-04-03),

2. 6599391 - Filler for use in paper manufacture and procedure for producing a filler (2003-07-29),

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USPTO Data Jan 1 1976 - Sep 29 2026

2 Patents

#163 in Espoo

#1,024 in Finland

M-Real Corporation

Forward Citations = 19

4 inventors:

Petri Silenius (1 out of 11 patents)

Kent Börje Eriksson (1 out of 1 patent)

Oskar Nordin (1 out of 1 patent)

4. Markku Leskela (1 out of 3 patents)

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