YM

Yoshio Maruyama

Sumitomo Electric Industries: 16 patents #1,466 of 21,551Top 7%
HI Hitachi: 11 patents #3,813 of 28,497Top 15%
Overall (All Time): #147,020 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
4681528 Valve nozzle for injection molding Shoshi Kabashima 1987-07-21
4519761 Combined molding and assembling apparatus Kazuei Kenmochi, Tadashi Sakairi, Eizi Itemadani 1985-05-28