SK

Shokichi Kumakura

📍 Edogawa, JP: #44 of 99 inventorsTop 45%
Overall (All Time): #2,373,014 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4227105 Annular magnet assembly 1980-10-07
4191988 Identification lamp apparatus 1980-03-04