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NIPPON PETROLEUM REFINING COMPANY, LIMITED
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Minato-ku, Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Raw coke for electricity storage carbon material and needle coke
Patent number
8,226,921
Issue date
Jul 24, 2012
Nippon Oil Corporation
Takashi Oyama
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Raw coke for electricity storage carbon material and needle coke
Patent number
8,197,788
Issue date
Jun 12, 2012
Nippon Oil Corporation
Takashi Oyama
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for producing petroleum coke
Patent number
8,137,530
Issue date
Mar 20, 2012
Nippon Petroleum Refining Co., Ltd.
Tamotsu Tano
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Feedstock composition and raw coke for electricity storage carbon m...
Patent number
7,964,173
Issue date
Jun 21, 2011
Nippon Oil Corporation
Takashi Oyama
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Raw coke for electricity storage carbon material and needle coke
Patent number
7,959,888
Issue date
Jun 14, 2011
Nippon Oil Corporation
Takashi Oyama
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Adsorbent, method for producing same, and method for processing oil...
Patent number
7,666,306
Issue date
Feb 23, 2010
Nippon Petroleum Refining Co., Ltd.
Nobuo Fukuda
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Cooling method of hydrotreating plant and cooling unit therefor
Patent number
7,112,311
Issue date
Sep 26, 2006
Nippon Petroleum Refining Co., Ltd.
Yuji Yoshizumi
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Raw material composite for carbon material used in electric double...
Patent number
6,882,517
Issue date
Apr 19, 2005
Nippon Oil Corporation
Tamotsu Tano
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Method and apparatus for changing solvent composition in a solvent...
Patent number
5,647,971
Issue date
Jul 15, 1997
Nippon Petroleum Refining Company Limited
Akira Kawamura
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method and apparatus for changing solvent composition in a solvent...
Patent number
5,611,894
Issue date
Mar 18, 1997
Nippon Petroleum Refining Company Limited
Akira Kawamura
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Supply system of petroleum heavy oil containing magnetic fine parti...
Patent number
5,543,041
Issue date
Aug 6, 1996
Nippon Oil Company, Ltd.
Hajime Okazaki
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Standard materials and methods for instrumental measurement for AST...
Patent number
5,381,227
Issue date
Jan 10, 1995
Nippon Petroleum Refining Co., Ltd.
Akihiko Niizawa
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Process for feed oil refining for production of lubricating oil
Patent number
5,376,257
Issue date
Dec 27, 1994
Nippon Petroleum Refining Company, Limited
Akinori Odan
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for the production of low-sulfur diesel gas oil
Patent number
5,316,658
Issue date
May 31, 1994
Nippon Co., Ltd.
Masaru Ushio
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Standard samples and methods of instrumental measurement of ASTM co...
Patent number
5,139,330
Issue date
Aug 18, 1992
Nippon Petroleum Refining Co., Ltd.
Akihiko Niizawa
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Standard samples and methods of instrumental measurement of Saybolt...
Patent number
5,139,329
Issue date
Aug 18, 1992
Nippon Petroleum Refining Co., Ltd.
Akihiko Niizawa
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Fuel burning method in heating furnace
Patent number
4,559,007
Issue date
Dec 17, 1985
Nippon Petroleum Refining Company, Limited
Mitsuo Hashimoto
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method of pre-heating boiler feed water
Patent number
4,305,452
Issue date
Dec 15, 1981
Nippon Petroleum Refining Co., Ltd.
Junichi Kubo
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Method of and apparatus for controlling the feed amount of air for...
Patent number
4,262,843
Issue date
Apr 21, 1981
Nippon Petroleum Refining Co., Ltd.
Keizo Omori
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Method of suppressing the rise in surface temperature of heating tu...
Patent number
4,220,519
Issue date
Sep 2, 1980
Nippon Petroleum Refining Company, Limited
Kohei Fujita
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
Information
Patent Application
RAW COKE FOR ELECTRICITY STORAGE CARBON MATERIAL AND NEEDLE COKE
Publication number
20110267737
Publication date
Nov 3, 2011
NIPPON PETROLEUM REFINING COMPANY, LIMITED
Takashi OYAMA
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
RAW COKE FOR ELECTRICITY STORAGE CARBON MATERIAL AND NEEDLE COKE
Publication number
20110253593
Publication date
Oct 20, 2011
NIPPON PETROLEUM REFINING COMPANY, LIMITED
Takashi OYAMA
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
PROCESS FOR PRODUCING PETROLEUM COKE
Publication number
20100181228
Publication date
Jul 22, 2010
NIPPON PETROLEUM REFINING CO., LTD.
Tamotsu Tano
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
RAW COKE FOR ELECTRICITY STORAGE CARBON MATERIAL AND NEEDLE COKE
Publication number
20090268375
Publication date
Oct 29, 2009
NIPPON OIL CORPORATION
Takashi Oyama
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
FEEDSTOCK COMPOSITION AND RAW COKE FOR ELECTRICITY STORAGE CARBON M...
Publication number
20090237860
Publication date
Sep 24, 2009
NIPPON OIL CORPORATION
Takashi Oyama
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Trademark
last 30 trademarks