IS

Isao Sugiyama

EI Eisai: 3 patents #6 of 44Top 15%
Overall (1982): #4,663 of 81,411Top 6%
3
Patents 1982

Issued Patents 1982

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4352801 Cephem derivatives and antibacterial agents comprising said compounds Seiichiro Nomoto, Hironori Ikuta, Yoshimasa Machida, Shigeto Negi, Hiroshi Yamauchi +2 more 1982-10-05
4331606 N-(Substituted chromone-3-carbonyl)-phenylglycine derivatives Seiichiro Nomoto, Hironori Ikuta, Yoshimasa Machida, Shigeto Negi, Hiroshi Yamauchi +2 more 1982-05-25
4309354 Chromone derivatives Seiichiro Nomoto, Hironori Ikuta, Yoshimasa Machida, Shigeto Negi, Hiroshi Yamauchi +2 more 1982-01-05