Inventor · disambiguated record
Toshimasa Hamai
Also filed as: HAMAI TOSHIMASA
13 granted patents·3 pending applications·30 citations·filing 1988–2014
86Inventor score
Top patents by PatentIndex Score
16 records- 0170US7964682B2Method for producing phosphoric acid ester-based polymerKAO CORP·Filed 2006·Granted Jun 21, 2011·3 cites·14 claims
- 0268US8143332B2Dispersant for hydraulic compositionSHIMODA MASAAKI·Filed 2007·Granted Mar 27, 2012·3 cites·12 claims
- 0366US8567703B2Method for producing hydraulic powderSHIMODA MASAAKI·Filed 2009·Granted Oct 29, 2013·2 cites·3 claims
- 0461US8604103B2Additive composition for hydraulic compositionHAMAI TOSHIMASA·Filed 2009·Granted Dec 10, 2013·1 cites·16 claims
- 0554US8598255B2Early strengthening agent for hydraulic compositionHAMAI TOSHIMASA·Filed 2009·Granted Dec 3, 2013·0 cites·16 claims
- 0652US7470733B2Additive for hydraulic compositionsKAO CORP·Filed 2004·Granted Dec 30, 2008·3 cites·10 claims
- 0750US8235315B2Method for producing hydraulic powderSHIMODA MASAAKI·Filed 2008·Granted Aug 7, 2012·0 cites·5 claims
- 0849US4915864AAqueous solution composition of strong alkali and nonionic surface active agentKAO CORP·Filed 1988·Granted Apr 10, 1990·18 cites·7 claims
- 0947US8519028B2Early strengthening agent for hydraulic compositionHAMAI TOSHIMASA·Filed 2009·Granted Aug 27, 2013·0 cites·10 claims
- 1045US8322638B2Method for producing hydraulic powderSHIMODA MASAAKI·Filed 2008·Granted Dec 4, 2012·0 cites·6 claims
- 1144US2006293417A1Hydraulic composition dispersantKAO CORP·Filed 2006·Application pending·0 cites
- 1244US2016107935A1Liquid dispersant composition for gypsumYOSHINO GYPSUM CO·Filed 2014·Application pending·0 cites
- 1343US9029444B2Dispersant for hydraulic compositionNAKA YOSHIHITO·Filed 2009·Granted May 12, 2015·0 cites·9 claims
- 1442US8263688B2Dispersion-retaining agent for hydraulic compositionHAMADA DAISUKE·Filed 2008·Granted Sep 11, 2012·0 cites·9 claims
- 1538US9011596B2Method for producing cured article from hydraulic compositionYOSHINAMI YUSUKE·Filed 2012·Granted Apr 21, 2015·0 cites·20 claims
- 1636US2008035022A1Phosphate PolymerHAMADA DAISUKE·Filed 2005·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Toshimasa Hamai 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 →