Inventor

OI SHOICHI

3 patents

⚠️ This page may combine multiple inventors who share the name “OI SHOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUI COKE CO

2 patents

US4354919AOct 19, 1982

Process for the liquefaction of coal

MITSUI COKE CO10 citations69

US4344837AAug 17, 1982

Process for the dehydration and liquefaction of water-containing coal

MITSUI COKE CO5 citations60

MITSUI MINING CO LTD

1 patent

US4309192AJan 5, 1982

Treatment of water-containing coal

MITSUI MINING CO LTD30 citations86