4. Electricity: electrical systems and devices
  5. Safety and protection of systems and devices
  6. With specific current responsive fault sensor

Ikuya Tsurukawa

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Apparatus for driving varifocal lens

Patent

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Apparatus for preventing static electricity of plastic lens

Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific current responsive fault sensor
Patent

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Auto-focusing method

Patent

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DC motor

Electrical generator or motor structure – Dynamoelectric – Rotary
Reexamination Certificate

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DC motor rotation control apparatus

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator
Reexamination Certificate

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Profile ID: LFUS-PAI-P-132742

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