KN

Kyoichi Nagai

📍 Oshima, JP: #468 of 1,090 inventorsTop 45%
Overall (All Time): #1,802,930 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11615541 Ball tracking apparatus and ball tracking method — 2023-03-28
4656652 Emergency warning device for use in a party line telephone system or the like — 1987-04-07