4. Dynamic magnetic information storage or retrieval
  5. Record transport with head stationary during transducing
  6. Drum record

Ryuta Yamawaki

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Motor with output shaft having lead screw portion and...

Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Drum record
Reexamination Certificate

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Small-sized motor

Equipment for production – distribution – or transformation of ene – Energy conversion or transformation – Generator – motor or casing therefor
Design Patent

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Stepping motor

Electrical generator or motor structure – Dynamoelectric – Rotary
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2136702

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