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Kansai Electric Co Ltd
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Hiroshima-City 731-01, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Silicon carbide semiconductor device and manufacturing method therefor
Patent number
7,768,017
Issue date
Aug 3, 2010
The Kansai Electric Co., Inc.
Koji Nakayama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Lubricated bearing apparatus for hydraulic machinery
Patent number
4,892,419
Issue date
Jan 9, 1990
Hitachi, Ltd.
Hisao Inoue
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Protecting apparatus for secondary excitation type variable speed A...
Patent number
4,812,729
Issue date
Mar 14, 1989
Hitachi Ltd.
Akio Ito
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
74218437 - AIRPORT
Serial number
74218437
Filing date
Nov 4, 1991
Kansai Electric Co., LTD.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments