HM

Hiroo Mitazaki

IC Idemitsu Kosan Co.: 1 patents #699 of 1,237Top 60%
Overall (All Time): #3,928,492 of 4,157,543Top 95%
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Patent #TitleCo-InventorsDate
4832860 Lubricating oil for metal working Tadashi Katafuchi, Seiichi Shido, Yasunori Tomari, Kenji Onodera 1989-05-23