4. Optics: measuring and testing
  5. For optical fiber or waveguide inspection

Yutaka Ishihara

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Charging apparatus

Electricity: battery or capacitor charging or discharging – Cell or battery charger structure – For handheld device
Patent

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Discharge lamp lighting apparatus

Electric lamp and discharge devices: systems – Current and/or voltage regulation – Automatic regulation
Reexamination Certificate

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Discharge lamp lighting apparatus and discharge lamp apparatus

Electric lamp and discharge devices: systems – Current and/or voltage regulation – Automatic regulation
Reexamination Certificate

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Discharge lamp lighting apparatus and discharge lamp apparatus

Electric lamp and discharge devices: systems – Current and/or voltage regulation – Automatic regulation
Reexamination Certificate

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Discharge lamp lighting method and discharge lamp lighting...

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Silicon controlled rectifier ignition
Reexamination Certificate

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Profile ID: LFUS-PAI-P-451839

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