MO

Masatsune Okuma

KK Katayama Chemical Works Co., Ktd.: 1 patents #2 of 7Top 30%
Overall (1989): #79,462 of 140,708Top 60%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4814406 Scale inhibitor Sakae Katayama, Tadahiko Asano, Keisyo Nakanishi 1989-03-21