YK

Yoshishige Koma

KC Kanto Denka Kogyo Co.: 1 patents #61 of 140Top 45%
Overall (All Time): #4,009,693 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4497654 Ferromagnetic metallic powders useful for magnetic recording and processes for producing said metallic powders Katsuhiro Takano, Masaru Hagiwara, Shintaro Suzuki 1985-02-05