YZ

Yoshiyuki Zama

KC Kaken Pharmaceutical Co.: 3 patents #59 of 335Top 20%
Overall (All Time): #1,659,911 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5081248 Pyridine-N-oxide derivative Takanobu Naitou, Toshiyuki Yamamoto 1992-01-14
4883879 Cephalosporin compounds, processes for their preparation and antibacterial agents Nobuo Ishiyama, Tsuneo Saita, Takanobu Naito, Masao Hirose, Masaaki Yokoyama +4 more 1989-11-28
4822786 Cephalosporin compounds, and antibacterial agents Nobuo Ishiyama, Tsuneo Saita, Takanobu Naito, Masao Hirose, Masaaki Yokoyama +4 more 1989-04-18