Assignee

KURIHARA NORIMASA

JP·2 granted patents·17 citations·filing 2005–2008

Technology mixC09D2 B43K1

Top patents by PatentIndex Score

2 records

0188US8182596B2Discolorable ink composition and writing utensilsKURIHARA NORIMASA·Filed 2008·Granted May 22, 2012·10 cites·16 claims
0282US8080098B2Water-based ink compositionKURIHARA NORIMASA·Filed 2005·Granted Dec 20, 2011·7 cites·16 claims

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