YI

Yoshiyuki Imamiya

SC Sumika Fine Chemicals Co.: 1 patents #15 of 28Top 55%
Overall (2002): #86,588 of 266,432Top 35%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6495685 Process for preparing piperazine derivatives Chiharu Maeda, Eiichi Iishi, Weiqi Wang 2002-12-17