4. Electrical generator or motor structure
  5. Dynamoelectric
  6. Rotary

Hidekazu Tokushima

Inventor

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Bearing unit

Bearings – Rotary bearing – Plain bearing
Patent

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Bearing unit, production method therefor and spindle motor

Bearings – Rotary bearing – Fluid bearing
Reexamination Certificate

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Magnetic fluid bearing unit structure and motor having the same

Electrical generator or motor structure – Dynamoelectric – Rotary
Patent

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Oil impregnated porous bearing units and motors provided with sa

Electrical generator or motor structure – Dynamoelectric – Rotary
Patent

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Process for manufacturing sintered slide bearing

Powder metallurgy processes – Powder metallurgy processes with heating or sintering – Post sintering operation
Reexamination Certificate

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