HI

Hirokazu Iwasaki

SK Showa Denko K.K.: 1 patents #940 of 1,736Top 55%
Overall (All Time): #4,099,768 of 4,157,543Top 100%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4298530 Process for production of 3-hydroxy-3-methylphthalide or the nuclearly substituted derivatives thereof Hideo Takahashi 1981-11-03