MI

Makoto Iiyama

NC Nippon Kokan Co.: 1 patents #11 of 72Top 20%
Overall (1982): #44,699 of 81,411Top 55%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4334858 Prevention of thermal spalling in ceramic products Yasujiro Koyama 1982-06-15