Inventor · disambiguated record
Norimasa Kurihara
Also filed as: KURIHARA NORIMASA
8 granted patents·1 pending application·84 citations·filing 2000–2008
87Inventor score
Top patents by PatentIndex Score
9 records- 0189US6666913B2Aqueous ink compositionSAKURA COLOR PROD CORP·Filed 2001·Granted Dec 23, 2003·33 cites·16 claims
- 0288US8182596B2Discolorable ink composition and writing utensilsKURIHARA NORIMASA·Filed 2008·Granted May 22, 2012·10 cites·16 claims
- 0382US8080098B2Water-based ink compositionKURIHARA NORIMASA·Filed 2005·Granted Dec 20, 2011·7 cites·16 claims
- 0478US6325845B1Aqueous ink for ball point pensSAKURA COLOR PROD CORP·Filed 2000·Granted Dec 4, 2001·14 cites·18 claims
- 0563US7371785B2Erasable ink compositionSAKURA COLOR PROD CORP·Filed 2003·Granted May 13, 2008·7 cites·34 claims
- 0659US7914222B2Tip unit for liquid applicator, method for producing the same, and liquid applicator having the tip unitSAKURA COLOR PROD CORP·Filed 2004·Granted Mar 29, 2011·5 cites·11 claims
- 0759US7721402B2Method of producing applicator tipSAKURA COLOR PROD CORP·Filed 2004·Granted May 25, 2010·3 cites·19 claims
- 0859US7538148B2Aqueous ink compositionSAKURA COLOR PROD CORP·Filed 2004·Granted May 26, 2009·5 cites·18 claims
- 0941US2006069183A1Erasable aqueous color material compositionSAKURA COLOR PROD CORP·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →