JK

Johji Koga

MC Mitsubishi Mining & Cement Co.: 1 patents #46 of 110Top 45%
Overall (All Time): #3,889,730 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5064791 Method of preparing ceramic composite powders and the powders obtained thereby Kunio Ohtsuka, Mitsuru Suda 1991-11-12