Inventor · disambiguated record
Tapio Vihervaara
Also filed as: VIHERVAARA TAPIO
5 granted patents·24 citations·filing 1992–2004
75Inventor score
Top patents by PatentIndex Score
5 records- 0153US6716313B2Additive for paper makingRAISIO CHEM LTD·Filed 2002·Granted Apr 6, 2004·1 cites·19 claims
- 0249US7094319B2Additive for paper makingCIBA SC HOLDING AG·Filed 2004·Granted Aug 22, 2006·0 cites·16 claims
- 0339US6398912B1Additive for paper makingRAISIO CHEM LTD·Filed 1999·Granted Jun 4, 2002·9 cites·13 claims
- 0436US6290765B1Rosin emulsion including starch derivative for paper sizingRAISIO CHEMICALS LTD UK·Filed 1997·Granted Sep 18, 2001·10 cites·34 claims
- 0529US5578169AReducing level of interference chemicals in water circulation of wood-based fibre suspension processesRAISION TEHTAAT OY AB·Filed 1992·Granted Nov 26, 1996·4 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Tapio Vihervaara files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →