Koa Oil Company, Limited

Organization

Tokyo, JP

Organizations

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Olefin oligomerization catalyst, process for preparing the same, an...
- Patent number 5,883,036
- Issue date Mar 16, 1999
- KOA Oil Company, Ltd.
- Hirokazu Fujie
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Subject identification method, apparatus and system
- Patent number 5,798,459
- Issue date Aug 25, 1998
- Japan as represented by President of Hokkaido University
- Ryoji Ohba
- G01 - MEASURING TESTING
Information Patent Grant
Air cell
- Patent number 5,476,730
- Issue date Dec 19, 1995
- Koa Oil Company, Limited
- Okiyoshi Okamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Air cell
- Patent number 5,462,816
- Issue date Oct 31, 1995
- Koa Oil Company, Ltd.
- Okiyoshi Okamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Air cell
- Patent number 5,240,785
- Issue date Aug 31, 1993
- Koa Oil Company, Limited
- Okiyoshi Okamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for producing pitch-type carbon fiber
- Patent number 5,204,030
- Issue date Apr 20, 1993
- Koa Oil Company, Limited
- Eiji Kitajima
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Process for preparation of carbonaceous molded body having excellen...
- Patent number 5,190,696
- Issue date Mar 2, 1993
- Koa Oil Company, Limited
- Masaki Fujii
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for producing a coil-shaped carbon fiber bundle
- Patent number 5,183,603
- Issue date Feb 2, 1993
- Koa Oil Company Limited
- Eiji Kitajima
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Process for producing elastic graphite molded products
- Patent number 5,137,667
- Issue date Aug 11, 1992
- Koa Oil Company, Ltd.
- Masaki Fujii
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method for producing elastic graphite structures
- Patent number 5,057,297
- Issue date Oct 15, 1991
- Koa Oil Company, Limited
- Masaki Fujii
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Preparation of elastic graphite materials
- Patent number 5,017,358
- Issue date May 21, 1991
- Dir. General, Agency of Industrial Science and Technology
- Yasuhiro Yamada
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Coking process
- Patent number 4,828,682
- Issue date May 9, 1989
- Koa Oil Company, Limited
- Kosaku Noguchi
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Apparatus for production of crystallizable carbonaceous material
- Patent number 4,769,139
- Issue date Sep 6, 1988
- Koa Oil Company, Limited
- Kosaku Noguchi
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Apparatus for producing bulk mesophase
- Patent number 4,640,822
- Issue date Feb 3, 1987
- Koa Oil Company, Limited
- Kosaku Noguchi
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Method and apparatus for production of crystallizable carbonaceous...
- Patent number 4,488,957
- Issue date Dec 18, 1984
- Koa Oil Company, Ltd.
- Kosaku Noguchi
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Coke calcining apparatus
- Patent number 4,439,275
- Issue date Mar 27, 1984
- Koa Oil Company, Limited
- Kosaku Noguchi
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Process for producing mesocarbon microbeads of uniform particle-siz...
- Patent number 4,381,990
- Issue date May 3, 1983
- Koa Oil Company, Limited
- Kosaku Noguchi
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Continuous process for industrially producing mesocarbon microbeads
- Patent number 4,363,670
- Issue date Dec 14, 1982
- Koa Oil Company, Limited
- Kosaku Noguchi
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Integrated process for thermal cracking of heavy oil and reduction...
- Patent number 4,334,920
- Issue date Jun 15, 1982
- Kobe Steel, Ltd.
- Kenji Mori
- C21 - METALLURGY OF IRON
Information Patent Grant
Apparatus for and method of detecting and measuring corrosion damag...
- Patent number 4,295,092
- Issue date Oct 13, 1981
- Koa Oil Company, Limited
- Okiyoshi Okamura
- G01 - MEASURING TESTING
Information Patent Grant
Process for calcining coke
- Patent number 4,265,710
- Issue date May 5, 1981
- Koa Oil Company, Limited
- Kosaku Noguchi
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Oil adsorbent and process for preparation thereof
- Patent number 4,209,382
- Issue date Jun 24, 1980
- Koa Oil Co., Ltd.
- Kosaku Noguchi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process for calcining coke
- Patent number 4,169,767
- Issue date Oct 2, 1979
- Koa Oil Company, Limited
- Kosaku Noguchi
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for preparation of high quality coke
- Patent number 4,100,265
- Issue date Jul 11, 1978
- Koa Oil Co., Ltd.
- Kiyoharu Yoshimura
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for treatment of oil-containing waste water by using an oil...
- Patent number 4,094,776
- Issue date Jun 13, 1978
- Koa Oil Co., Ltd.
- Kosaku Noguchi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process for continuous production of pitch
- Patent number 4,080,283
- Issue date Mar 21, 1978
- Koa Oil Company, Ltd.
- Kosaku Noguchi
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Koa Oil Company, Limited

Organization

Patents Grantslast 30 patents

Olefin oligomerization catalyst, process for preparing the same, an...

Subject identification method, apparatus and system

Air cell

Air cell

Air cell

Method for producing pitch-type carbon fiber

Process for preparation of carbonaceous molded body having excellen...

Process for producing a coil-shaped carbon fiber bundle

Process for producing elastic graphite molded products

Method for producing elastic graphite structures

Preparation of elastic graphite materials

Coking process

Apparatus for production of crystallizable carbonaceous material

Apparatus for producing bulk mesophase

Method and apparatus for production of crystallizable carbonaceous...

Coke calcining apparatus

Process for producing mesocarbon microbeads of uniform particle-siz...

Continuous process for industrially producing mesocarbon microbeads

Integrated process for thermal cracking of heavy oil and reduction...

Apparatus for and method of detecting and measuring corrosion damag...

Process for calcining coke

Oil adsorbent and process for preparation thereof

Process for calcining coke

Process for preparation of high quality coke

Method for treatment of oil-containing waste water by using an oil...

Process for continuous production of pitch

Patents Applicationslast 30 patents

Trademarklast 30 trademarks