4. Electricity: motive power systems
  5. Battery-fed motor systems

Naoki Ohsawa

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Ac motor controlling apparatus

Electricity: motive power systems – Battery-fed motor systems
Patent

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Battery voltage measurement apparatus

Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells
Reexamination Certificate

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Battery voltage measuring device

Electricity: measuring and testing – Electrolyte properties – Using a battery testing device
Reexamination Certificate

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Ignition timing control method for internal combustion engines

Internal-combustion engines – Charge forming device – Fuel injection system
Patent

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Profile ID: LFUS-PAI-P-1517412

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