YH

Yoshio Hirooka

AC Aoyama Seisakusho Co.: 2 patents #26 of 115Top 25%
📍 Inuyama, JP: #155 of 342 inventorsTop 50%
Overall (All Time): #2,078,092 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8539656 Fastening tool Keigo Katou, Masataka Mizuno 2013-09-24
8533931 Fastening method and fastening tool Keigo Katou, Masataka Mizuno 2013-09-17