Inventor · disambiguated record
Akihiko Yamashita
Also filed as: YAMASHITA AKIHIKO
10 granted patents·1 pending application·289 citations·filing 1999–2006
91Inventor score
Top patents by PatentIndex Score
11 records- 0194US6569234B2Cement dispersant and cement composition comprising thisNIPPON CATALYTIC CHEM IND·Filed 2001·Granted May 27, 2003·53 cites·23 claims
- 0291US7691921B2Cement admixture and method for producing the sameNIPPON CATALYTIC CHEM IND·Filed 2006·Granted Apr 6, 2010·16 cites·4 claims
- 0389US6727315B2Copolymer for cement admixtures and its production process and useFiled 2002·Granted Apr 27, 2004·35 cites·11 claims
- 0489US6294015B1Cement admixture and cement compositionNIPPON CATALYTIC CHEM IND·Filed 1999·Granted Sep 25, 2001·69 cites·17 claims
- 0586US7125944B2Cement admixture and cement compositionNIPPON CATALYTIC CHEM IND·Filed 2002·Granted Oct 24, 2006·26 cites·22 claims
- 0684US6911494B2Cement admixture and cement compositionNIPPON CATALYTIC CHEM IND·Filed 2002·Granted Jun 28, 2005·26 cites·12 claims
- 0776US7304104B2Cement admixture, cement composition and method for laying work the same, and method for producing cement hardened productNIPPON CATALYTIC CHEM IND·Filed 2004·Granted Dec 4, 2007·14 cites·31 claims
- 0876US6454850B2Cement admixture and cement composition comprising thisNIPPON CATALYTIC CHEM IND·Filed 2001·Granted Sep 24, 2002·20 cites·4 claims
- 0968US6087418ACement admixture and cement compositionNIPPON CATALYTIC CHEM IND·Filed 1999·Granted Jul 11, 2000·24 cites·18 claims
- 1065US7253220B2Cement admixture and cement compositionNIPPON CATALYTIC CHEM IND·Filed 2004·Granted Aug 7, 2007·6 cites·22 claims
- 1146US2009054557A1Cement admixtureYAMAZAKI HIROSHI·Filed 2006·Application pending·0 cites
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