NK

Naoji Kumagai

SA Sammy: 1 patents #3 of 6Top 50%
SE Sega Enterprises: 1 patents #101 of 368Top 30%
Overall (All Time): #2,122,751 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7731587 Prize game apparatus — 2010-06-08
6533281 Playing machine — 2003-03-18