JK

Junji Kashiwakura

JR Japan Synthetic Rubber: 1 patents #256 of 558Top 50%
📍 Ashikawa, JP: #37 of 73 inventorsTop 55%
Overall (All Time): #4,118,944 of 4,157,543Top 100%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4220564 High-hardness and high-modulus rubber composition containing 1,2-polybutadiene Tsutomu Tanimoto, Mutsuo Nagasawa 1980-09-02