NK

Norihiko Koma

NC Nippon Kokan Co.: 1 patents #290 of 735Top 40%
NC Nkk Co.: 1 patents #579 of 1,173Top 50%
Overall (All Time): #2,324,444 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4957064 Offshore fish cage for farming fish — 1990-09-18
4934153 Method for manufacturing ice containing carbon dioxide Takao Ebinuma, Yutaka Yamauti 1990-06-19