Inventor · disambiguated record
Masakazu Yokoi
Also filed as: YOKOI MASAKAZU
3 granted patents·44 citations·filing 1995–1997
71Inventor score
Technology areasC09D
Files withSAKURA COLOR PROD CORP3
Top patents by PatentIndex Score
3 records- 0160US5762694AInk composition for marking penSAKURA COLOR PROD CORP·Filed 1996·Granted Jun 9, 1998·22 cites·17 claims
- 0249US5698614AFluorescent ink composition for use in marking pensSAKURA COLOR PROD CORP·Filed 1995·Granted Dec 16, 1997·14 cites·5 claims
- 0339US6039795AInk composition for oil marking penSAKURA COLOR PROD CORP·Filed 1997·Granted Mar 21, 2000·8 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →