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Kiyonori Tokumitsu
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Fukuoka, JP
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last 30 patents
Information
Patent Grant
Fluid scroll machine with peripherally attached counter weights and...
Patent number
5,059,102
Issue date
Oct 22, 1991
Mitsubishi Denki K.K.
Kiyonori Tokumitsu
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Sealing device for oil rotary vacuum pump
Patent number
5,022,836
Issue date
Jun 11, 1991
Mitsubishi Denki Kabushiki Kaisha
Kiyonori Tokumitsu
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Rotating scroll machine with oil pump
Patent number
4,973,232
Issue date
Nov 27, 1990
Mitsubishi Denki Kabushiki Kaisha
Isamu Etou
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Liquid-seal type motor having insulating oil pressure compensation
Patent number
4,558,246
Issue date
Dec 10, 1985
Mitsubishi Denki Kabushiki Kaisha
Kiyonori Tokumitsu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Liquid-seal type motor having insulating oil pressure compensation
Patent number
4,558,247
Issue date
Dec 10, 1985
Mitsubishi Denki Kabushiki Kaisha
Sakuei Yamamoto
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Encased electric motor employing gas as heat dissipating means
Patent number
4,486,677
Issue date
Dec 4, 1984
Mitsubishi Denki Kabushiki Kaisha
Sakuei Yamamoto
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Shaft seal device for submersible motor
Patent number
4,421,324
Issue date
Dec 20, 1983
Mitsubishi Denki Kabushiki Kaisha
Sakuei Yamamoto
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...