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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Process to produce light products and fuel oils for conventional us...
Patent number
4,792,389
Issue date
Dec 20, 1988
VEB Petrochemisches Kombinat Schwedt
Werner Frohn
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method for continuous thermal cracking of heavy petroleum oil
Patent number
4,443,328
Issue date
Apr 17, 1984
Toyo Engineering Corporation
Masao Sakurai
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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
Process for producing carbon fibers
Patent number
4,320,107
Issue date
Mar 16, 1982
Mitsui Coke Co. Ltd.
Mikio Oyabu
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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...
Information
Patent Grant
Fuel compositions comprising coal-liquid fuel mixture
Patent number
4,246,000
Issue date
Jan 20, 1981
New Japan Chemical Co., Ltd.
Toshiaki Kobayashi
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Coke compositions and process for manufacturing same
Patent number
4,243,488
Issue date
Jan 6, 1981
Mitsui Coke Co., Ltd.
Hidehiko Sugimura
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Preparation of carbonaceous products
Patent number
4,210,517
Issue date
Jul 1, 1980
Mitsui Mining Co. Ltd.
Hisashi Murakami
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for the production of solvent-refined coal useful as starti...
Patent number
4,202,756
Issue date
May 13, 1980
Mitsui Mining Co., Ltd.
Hisashi Murakami
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for manufacturing a carbonaceous material
Patent number
4,117,098
Issue date
Sep 26, 1978
Mitsui Mining Company, Limited
Katsunobu Tatsumoto
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Process for liquefying coal
Patent number
4,111,786
Issue date
Sep 5, 1978
Mitsui Coke Co., Ltd.
Hidehiko Sugimura
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for manufacturing needle coke
Patent number
4,029,749
Issue date
Jun 14, 1977
Mitsui Coke Co. Ltd.
Hisashi Murakami
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Patents Applications
last 30 patents
Trademark
last 30 trademarks