Inventor · disambiguated record
Kazunari Sakai
Also filed as: SAKAI KAZUNARI
10 granted patents·224 citations·filing 1987–2008
89Inventor score
Files withDAINIPPON INK & CHEMICALS5HARIMA CHEMICALS INC2SAKAI KAZUNARI1SUGANUMA TOSHIKAZU1TOYO BOSEKI1
Top patents by PatentIndex Score
10 records- 0187US7902276B2Surface sizing agent and use thereofHARIMA CHEMICALS INC·Filed 2006·Granted Mar 8, 2011·10 cites·5 claims
- 0285US6158721AApparatus and method for adding carbon dioxide gas to ultra pure waterDAINIPPON INK & CHEMICALS·Filed 1998·Granted Dec 12, 2000·102 cites·17 claims
- 0375US4907956AApparatus for manufacturing optical information recording mediumDAINIPPON INK & CHEMICALS·Filed 1989·Granted Mar 13, 1990·38 cites·11 claims
- 0472US8241462B2Papermaking internal sizing agent and use thereofSAKAI KAZUNARI·Filed 2008·Granted Aug 14, 2012·4 cites·11 claims
- 0570US5236588AAsymmetric polymer membrane and preparation thereofDAINIPPON INK & CHEMICALS·Filed 1991·Granted Aug 17, 1993·35 cites·8 claims
- 0662US6884359B2Apparatus and method for controlling resistivity of ultra pure waterDAINIPPON INK & CHEMICALS·Filed 2001·Granted Apr 26, 2005·10 cites·19 claims
- 0761US4788015AProcess for preparation of optical disk substrateDAINIPPON INK & CHEMICALS·Filed 1987·Granted Nov 29, 1988·23 cites·5 claims
- 0857US8349135B2Papermaking additive and filled paperHARIMA CHEMICALS INC·Filed 2008·Granted Jan 8, 2013·0 cites·6 claims
- 0935US8171956B2Liquid supply method and apparatusSUGANUMA TOSHIKAZU·Filed 2004·Granted May 8, 2012·2 cites·2 claims
- 1032US6967003B2Artificial lung of membrane typeTOYO BOSEKI·Filed 2001·Granted Nov 22, 2005·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →