HA

Hisashi Ase

IC Idemitsu Petrochemical Co.: 1 patents #305 of 578Top 55%
Overall (All Time): #3,709,013 of 4,157,543Top 90%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5597879 Process for producing styrenic polymer Kazutoshi Ishikawa, Hideki Imabayashi 1997-01-28