KH

Koichi Hirai

SC Sankyo Holdings Co.: 2 patents #22 of 120Top 20%
📍 Chiyoda, JP: #15 of 85 inventorsTop 20%
Overall (1997): #32,884 of 185,788Top 20%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5681951 Metal catalyzed displacement process Yuji Iwano, Takahide Nishi, Akira Yoshida, Kozo Oda, Hiroo Koyama 1997-10-28
5614624 Carbapenem Yuji Iwano, Takahide Nishi, Akira Yoshida, Kozo Oda, Hiroo Koyama 1997-03-25