Shoichi Oi

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Patents Grantslast 30 patents

Information Patent Grant
Process for the liquefaction of coal
- Patent number 4,354,919
- Issue date Oct 19, 1982
- Mitsui Coke Co., Ltd.
- Shoichi Oi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for the dehydration and liquefaction of water-containing coal
- Patent number 4,344,837
- Issue date Aug 17, 1982
- Mitsui Coke Co., Ltd.
- Tadashi Komiyama
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Treatment of water-containing coal
- Patent number 4,309,192
- Issue date Jan 5, 1982
- Mitsui Mining Co. Ltd.
- Isao Kubo
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...