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Ryosuke Ushijima

BC Banyu Pharmaceutical Co.: 2 patents #2 of 30Top 7%
Overall (1989): #16,497 of 140,708Top 15%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4883868 7-amino-3-(substituted isoindolinium)methyl-3-cephem derivatives Susumu Nakagawa, Fumio Nakano, Koji Yamada, Eiichi Mano 1989-11-28
4880797 Cephalosporin derivatives and antibacterial agents Susumu Nakagawa, Ryuji Mitomo 1989-11-14