HT

Hiroichi Tanaka

OC Okutama Kogyo Co.: 1 patents #7 of 14Top 50%
Overall (All Time): #3,892,457 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5075093 Calcium carbonate in a platelet-like particulate form and a method for the preparation thereof Masanori Matsukawa, Akira Takeshi 1991-12-24