4. Metal working
  5. Method of mechanical manufacture
  6. Electrical device making

Hiromichi Yamamoto

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Disk playback apparatus and stepping-motor control apparatus

Electricity: motive power systems – Positional servo systems – With particular motor control system responsive to the...
Reexamination Certificate

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Electric element capable of controlling the electric conductivit

Active solid-state devices (e.g. – transistors – solid-state diode – Organic semiconductor material
Patent

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Method for accessing optical disk by detecting the different...

Dynamic information storage or retrieval – Information location or remote operator actuated control – Selective addressing of storage medium
Reexamination Certificate

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Method of making armature of double insulation construction

Metal working – Method of mechanical manufacture – Electrical device making
Patent

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Method of mass producing solid electrolytic capacitors and...

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

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Profile ID: LFUS-PAI-P-1050800

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