TW

Tetsuo Wada

MC Mitsui Coke Co.: 1 patents #6 of 13Top 50%
ML Mitsui Mining Company, Limited: 1 patents #1 of 5Top 20%
Overall (1982): #28,241 of 81,411Top 35%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

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