KI

Katsumi Ito

TI Takeda Chemical Industries: 2 patents #16 of 173Top 10%
📍 Seto, JP: #1 of 19 inventorsTop 6%
Overall (1989): #22,990 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4871842 Piperidine derivatives Hirosada Sugihara, Kohei Nishikawa 1989-10-03
4816466 Piperidine derivatives Hirosada Sugihara, Kohei Nishikawa 1989-03-28