YK

Yohei Kuroiwa

CC Cosina Co.: 2 patents #1 of 4Top 25%
📍 Nakano, JP: #87 of 187 inventorsTop 50%
Overall (All Time): #1,999,977 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9261756 Lock releasing device for camera 2016-02-16
8757903 Diaphragm device of lens Kazuhiro Sato 2014-06-24