IT

Ii Tadashi

OC Otsuka Chemical Co.: 1 patents #131 of 269Top 50%
📍 Okayama, JP: #824 of 1,590 inventorsTop 55%
Overall (All Time): #4,014,971 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4517018 Cast iron alloy and method for producing same Egusa Saichi 1985-05-14