AU

Atsushi Urayama

KE Keihin: 1 patents #237 of 596Top 40%
SL Sumitomo Riko Company Limited: 1 patents #206 of 446Top 50%
📍 Tochigi, JP: #1,767 of 2,789 inventorsTop 65%
Overall (All Time): #3,140,537 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8919748 Active antivibration device and manufacturing method for the same Hirozumi Kon, Hironori Koyama, Mutsumi Muraoka, Atsushi Muramatsu 2014-12-30