KY

Keiichi Yokoyama

MI Mitsui Petrochemical Industries: 1 patents #22 of 92Top 25%
Overall (1989): #87,406 of 140,708Top 65%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4886912 Cyanoguanidine derivative and process for preparation thereof Hiroaki Tan, Noriaki Kihara 1989-12-12