Inventor · disambiguated record
Hirokazu Niwa
Also filed as: NIWA HIROKAZU
5 granted patents·1 pending application·125 citations·filing 1999–2020
80Inventor score
Top patents by PatentIndex Score
6 records- 0189US6294015B1Cement admixture and cement compositionNIPPON CATALYTIC CHEM IND·Filed 1999·Granted Sep 25, 2001·69 cites·17 claims
- 0273US6258162B1Cement compositionNIPPON CATALYTIC CHEM IND·Filed 1999·Granted Jul 10, 2001·28 cites·10 claims
- 0370US8119739B2Retardation filmASANO HIDEO·Filed 2007·Granted Feb 21, 2012·4 cites·22 claims
- 0468US6087418ACement admixture and cement compositionNIPPON CATALYTIC CHEM IND·Filed 1999·Granted Jul 11, 2000·24 cites·18 claims
- 0551US2010272971A1Optical film and image display apparatus having the sameNIPPON CATALYTIC CHEM IND·Filed 2008·Application pending·0 cites
- 0642US11964042B2Additive for medicinal agentsNIPPON CATALYTIC CHEM IND·Filed 2020·Granted Apr 23, 2024·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →