Inventor · disambiguated record
Naoji Kumagai
Also filed as: KUMAGAI NAOJI
2 granted patents·1 pending application·12 citations·filing 2000–2006
56Inventor score
Top patents by PatentIndex Score
3 records- 0164US7731587B2Prize game apparatusSEGA KK DBA SEGA CORP·Filed 2006·Granted Jun 8, 2010·4 cites·18 claims
- 0254US6533281B1Playing machineSAMMY CORP·Filed 2000·Granted Mar 18, 2003·8 cites·17 claims
- 0346US2009270184A1Model driving machine, drive unit and modelKUMAGAI NAOJI·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →