4. Metal working
  5. Barrier layer or semiconductor device making
  6. Barrier layer device making

Hitoshi Narusawa

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Digital signal processing circuit

Dynamic magnetic information storage or retrieval – General processing of a digital signal
Patent

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Hearing aid

Electrical audio signal processing systems and devices – Hearing aids – electrical – Noise compensation circuit
Reexamination Certificate

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Method for making a electrolytic capacitor

Metal working – Barrier layer or semiconductor device making – Barrier layer device making
Patent

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Method of manufacturing an aluminum solid electrolyte capacitor

Metal working – Barrier layer or semiconductor device making – Barrier layer device making
Reexamination Certificate

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Profile ID: LFUS-PAI-P-989878

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