Shigenobu Kawakami

Person

Ichikawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process for treating by-product oil
- Patent number 5,171,906
- Issue date Dec 15, 1992
- Nippon Petrochemicals Company, Limited
- Shigenobu Kawakami
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Electrical insulating oil composition and capacitors prepared there...
- Patent number 5,134,761
- Issue date Aug 4, 1992
- Nippon Petrochemicals Company, Limited
- Atsushi Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electric insulating oil composition
- Patent number 5,113,029
- Issue date May 12, 1992
- Nippon Petrochemicals Company, Limited
- Atsushi Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of producing insulating oil comprising dibenzylbenzene
- Patent number 5,107,395
- Issue date Apr 21, 1992
- Nippon Petrochemicals Company, Limited
- Shigenobu Kawakami
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Electrical insulating oil composition and capacitors prepared there...
- Patent number 5,081,758
- Issue date Jan 21, 1992
- Nippon Petrochemicals Company, Limited
- Atsushi Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrical insulating oil composition and capacitors prepared there...
- Patent number 5,081,757
- Issue date Jan 21, 1992
- Nippon Petrochemicals Company, Limited
- Atsushi Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrical insulating oil composition
- Patent number 5,017,733
- Issue date May 21, 1991
- Nippon Petrochemicals Company, Limited
- Atsushi Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrical insulating oil composition
- Patent number 5,015,793
- Issue date May 14, 1991
- Nippon Petrochemicals Company, Limited
- Atsushi Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for improving impulse destructive stength of electrical insu...
- Patent number 4,994,539
- Issue date Feb 19, 1991
- Nippon Petrochemicals Co., Ltd.
- Yuichi Orikasa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electrical insulating oil comprising improved fraction
- Patent number 4,982,025
- Issue date Jan 1, 1991
- Nippon Petrochemicals Company, Limited
- Shigenobu Kawakami
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrical insulating oil composition and electrical appliances imp...
- Patent number 4,967,028
- Issue date Oct 30, 1990
- Nippon Petrochemicals Company, Limited
- Atsushi Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for producing electrical insulating oil composition
- Patent number 4,902,841
- Issue date Feb 20, 1990
- Nippon Petrochemicals Company, Ltd.
- Shigenobu Kawakami
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing m-benzyltolune
- Patent number 4,899,009
- Issue date Feb 6, 1990
- Nippon Petrochemicals Co. Ltd.
- Shigenobu Kawakami
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Oil-filled capacitor
- Patent number 4,870,221
- Issue date Sep 26, 1989
- Nippon Petrochemicals Co., Ltd.
- Atsushi Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrical insulating material and power cable comprising a crossli...
- Patent number 4,804,729
- Issue date Feb 14, 1989
- Nippon Petrochemicals, Co., Ltd.
- Yuichi Orikasa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Polymer composition
- Patent number 4,803,238
- Issue date Feb 7, 1989
- Nippon Petrochemicals Company, Limited
- Atsushi Sato
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Novel method for refining electrical insulating oil
- Patent number 4,802,058
- Issue date Jan 31, 1989
- Nippon Petrochemicals Company, Limited
- Shigenobu Kawakami
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
1,1-(3-ethylphenyl)phenylethylene and method for preparing it
- Patent number 4,761,508
- Issue date Aug 2, 1988
- Nippon Petrochemicals Co., Ltd.
- Isoo Shimizu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Electrical insulating oil composition
- Patent number 4,750,083
- Issue date Jun 7, 1988
- Nippon Petrochemicals Company, Ltd.
- Atsushi Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for improving impulse destructive strength of electrical ins...
- Patent number 4,748,209
- Issue date May 31, 1988
- Nippon Petrochemicals Co., Ltd.
- Yuichi Orikasa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Novel ethylene copolymers
- Patent number 4,736,007
- Issue date Apr 5, 1988
- Nippon Petrochemicals Co., Ltd.
- Yuichi Orikasa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electrical insulating oil and electrical appliances impregnated wit...
- Patent number 4,734,824
- Issue date Mar 29, 1988
- Nippon Petrochemicals Company, Limited
- Atsushi Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for preparing 3-ethylbenzophenone
- Patent number 4,731,483
- Issue date Mar 15, 1988
- Nippon Petrochemicals Co., Ltd.
- Isoo Shimizu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Ethylene copolymers
- Patent number 4,717,759
- Issue date Jan 5, 1988
- Nippon Petrochemicals Co., Ltd.
- Yuichi Orikasa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Oil-impregnated capacitor
- Patent number 4,716,084
- Issue date Dec 29, 1987
- Nippon Petrochemicals Company, Limited
- Atsushi Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for improving an electrical insulating hydrocarbon
- Patent number 4,681,980
- Issue date Jul 21, 1987
- Nippon Petrochemicals Company Limited
- Atsushi Sato
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Electrical appliance impregnated with a curable impregnant composition
- Patent number 4,670,348
- Issue date Jun 2, 1987
- Nippon Petrochemicals Co., Ltd.
- Atsushi Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Solvent for the dye of pressure-sensitive recording paper
- Patent number 4,661,165
- Issue date Apr 28, 1987
- Nippon Petrochemicals Company, Limited
- Shigenobu Kawakami
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Electrical insulating oil and oil-filled electrical appliances
- Patent number 4,642,730
- Issue date Feb 10, 1987
- Nippon Petrochemicals Company, Ltd.
- Atsushi Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
New electrical insulating oil and oil-filled electrical appliances
- Patent number 4,639,833
- Issue date Jan 27, 1987
- Nippon Petrochemicals Company, Ltd.
- Atsushi Sato
- H01 - BASIC ELECTRIC ELEMENTS

Shigenobu Kawakami

Person

Patents Grantslast 30 patents

Process for treating by-product oil

Electrical insulating oil composition and capacitors prepared there...

Electric insulating oil composition

Method of producing insulating oil comprising dibenzylbenzene

Electrical insulating oil composition and capacitors prepared there...

Electrical insulating oil composition and capacitors prepared there...

Electrical insulating oil composition

Electrical insulating oil composition

Method for improving impulse destructive stength of electrical insu...

Electrical insulating oil comprising improved fraction

Electrical insulating oil composition and electrical appliances imp...

Method for producing electrical insulating oil composition

Method for producing m-benzyltolune

Oil-filled capacitor

Electrical insulating material and power cable comprising a crossli...

Polymer composition

Novel method for refining electrical insulating oil

1,1-(3-ethylphenyl)phenylethylene and method for preparing it

Electrical insulating oil composition

Method for improving impulse destructive strength of electrical ins...

Novel ethylene copolymers

Electrical insulating oil and electrical appliances impregnated wit...

Method for preparing 3-ethylbenzophenone

Ethylene copolymers

Oil-impregnated capacitor

Method for improving an electrical insulating hydrocarbon

Electrical appliance impregnated with a curable impregnant composition

Solvent for the dye of pressure-sensitive recording paper

Electrical insulating oil and oil-filled electrical appliances

New electrical insulating oil and oil-filled electrical appliances