MD

Masanori Doba

KL Koei Chemical Company, Limited: 1 patents #1 of 8Top 15%
Overall (1989): #81,871 of 140,708Top 60%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4810794 Process for producing pyridine bases Shinkichi Shimizu, Nobuyuki Abe, Akira Iguchi, Hiroshi Sato, Ken-ichi Hirose +1 more 1989-03-07