JU

Joji Umeda

RY Ryobi: 1 patents #160 of 309Top 55%
Overall (All Time): #3,800,521 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5323840 Metal mold arrangement for casting water-cooled type cylinder block in horizontal type casting machine Hirotake Usui, Yoshiaki Egoshi, Toru Komazaki 1994-06-28