HI

Hajime Iwasaki

MI Mitsui Petrochemical Industries: 1 patents #503 of 1,024Top 50%
Overall (All Time): #4,122,770 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4230762 Asphalt water-proofing material Kuninori Mizuta, Yoshinori Kobayashi, Tadayoshi Yoshikawa, Kyouzi Muraoka 1980-10-28