4. Telegraphy
  5. Systems
  6. Printing

Takumi Hayashi

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Apparatus for generating high voltage for cathode-ray tube

Telegraphy – Systems – Printing
Patent

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High-frequency oscillation type proximity sensor

Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Distributive type parameters
Reexamination Certificate

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Hydrogen generating apparatus

Gas: heating and illuminating – Generators
Patent

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Lens protector and optical pick-up

Dynamic optical information storage or retrieval – Dynamic mechanism optical subsystem – Protecting optical transducer
Reexamination Certificate

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Optical pick-up

Optical: systems and elements – Lens – With support
Reexamination Certificate

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Profile ID: LFUS-PAI-P-753784

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