SN

Shigemi Nagayoshi

MC Mitsui Coke Co.: 1 patents #6 of 13Top 50%
ML Mitsui Mining Company, Limited: 1 patents #1 of 5Top 20%
📍 Hikari, JP: #3 of 9 inventorsTop 35%
Overall (1982): #31,177 of 81,411Top 40%
1
Patents 1982

Issued Patents 1982

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