MO

Masakatsu Obara

HC Hitachi Chemical Company: 1 patents #1,071 of 1,946Top 60%
Overall (All Time): #4,008,053 of 4,157,543Top 100%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4491667 Hexahydrophthalides Takayuki Saito, Toru Kikuchi, Akihiro Kobayashi 1985-01-01