Haruo Kitahara

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Nagano, JP

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Patents Grantslast 30 patents

Information Patent Grant
Drive motor for magnetic disks, optical disks, and magneto-optical...
- Patent number RE34684
- Issue date Aug 2, 1994
- Nagano Nidec Corporation
- Haruo Kitahara
- 310 - Electrical generator or motor structure
Information Patent Grant
Drive motor for magnetic disks, optical disks, and magneto-optical...
- Patent number 4,900,958
- Issue date Feb 13, 1990
- Shinano Tokki Corporation
- Haruo Kitahara
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Rotational noise reduction structure in dc motor with rotor magnets
- Patent number 4,839,546
- Issue date Jun 13, 1989
- Shinano Tokki Corporation
- Haruo Kitahara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Magnetic disk motor having a cup-shaped rotor
- Patent number 4,760,298
- Issue date Jul 26, 1988
- Shinano Tokki Corporation
- Haruo Kitahara
- G11 - INFORMATION STORAGE
Information Patent Grant
Electromagnetic rotating apparatus
- Patent number 4,227,164
- Issue date Oct 7, 1980
- Shinano Tokki Corporation
- Haruo Kitahara
- H01 - BASIC ELECTRIC ELEMENTS