4. Electricity: motive power systems
  5. Impact, mechanical shock, or vibration-producing motors

Tadao Mandai

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Current control circuit

Electricity: electrical systems and devices – Control circuits for electromagnetic devices
Reexamination Certificate

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Switching element and protection circuit using the same

Electricity: electrical systems and devices – Safety and protection of systems and devices – Impedance insertion
Reexamination Certificate

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Vibrator controlling circuit

Electricity: motive power systems – Impact – mechanical shock – or vibration-producing motors
Reexamination Certificate

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Vibrator controlling circuit

Communications: electrical – Tactual indication
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2773981

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