HI

Hiroyuki Ishizuka

NK Nippon Carbide Kogyo: 1 patents #1 of 3Top 35%
Overall (1982): #58,913 of 81,411Top 75%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4340422 Powdery desulfurizer composition Atsushi Takahashi, Yoshiharu Muratsubaki 1982-07-20