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Naoki Nishizawa

HC Hitachi Chemical Company: 1 patents #42 of 198Top 25%
📍 Ota, JP: #43 of 94 inventorsTop 50%
Overall (2017): #297,074 of 506,227Top 60%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9631669 Oil-impregnated sintered bearing and production method therefor Hideaki Kawata, Hidekazu Tokushima 2017-04-25