YK

Yoji Koguchi

NC Nippon Kokan Co.: 1 patents #290 of 735Top 40%
NS Nippon Sanso: 1 patents #107 of 243Top 45%
SC Shinagawa Refractories Co.: 1 patents #73 of 162Top 50%
Overall (All Time): #4,045,320 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4486545 SIO.sub.2 -CaO Based low cubically expansive flame-spraying material Hiroyuki Sugimoto, Kazuo Fukaya 1984-12-04