RO

Ryoichi Okamoto

MK Meiji Seika Kaisha: 1 patents #353 of 752Top 50%
Overall (All Time): #3,955,752 of 4,157,543Top 100%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4758557 Cephalosporin derivatives and bactericides containing the same Takashi Tsuruoka, Katsuyoshi Iwamatsu, Kiyoaki Katano, Hiroko Ogino, Takashi Yoshida +4 more 1988-07-19