KK

Katsumi Koyama

NS Nippon Gakki Seizo: 1 patents #26 of 72Top 40%
Overall (1982): #49,982 of 81,411Top 65%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D265832 Electric organ Yasuhiro Kira, Yoshiro Watabiki, Nobushiro Aiba 1982-08-17