SN

Shigemi Nagayoshi

MC Mitsui Coke Co.: 1 patents #10 of 33Top 35%
ML Mitsui Mining Company, Limited: 1 patents #30 of 92Top 35%
📍 Hikari, JP: #81 of 125 inventorsTop 65%
Overall (All Time): #4,063,256 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4309192 Treatment of water-containing coal Isao Kubo, Futao Sakata, Tetsuo Wada, Shoichi Oi 1982-01-05