SS

Shigeru Suetomo

AK Arakawa Kagaku Kogyo Kabushiki Kaisha: 1 patents #23 of 51Top 50%
Overall (All Time): #4,021,262 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4540480 Process for preparing hydrogenated petroleum resin Noriharu Azuma 1985-09-10