4. Electricity: conductors and insulators
  5. Boxes and housings
  6. Hermetic sealed envelope type

Ken Yamamura

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D/A converter and delta-sigma D/A converter

Coded data generation or conversion – Analog to or from digital conversion – Digital to analog conversion
Reexamination Certificate

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Semiconductor device and method of producing the same

Electricity: conductors and insulators – Boxes and housings – Hermetic sealed envelope type
Patent

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Semiconductor device and method of producing the same

Electricity: conductors and insulators – Boxes and housings – Hermetic sealed envelope type
Patent

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Thermal head

Incremental printing of symbolic information – Thermal marking apparatus or processes – Specific resistance recording element type
Patent

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Thin-film capacitor element and electronic circuit board on...

Active solid-state devices (e.g. – transistors – solid-state diode – Field effect device – Having insulated electrode
Reexamination Certificate

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Profile ID: LFUS-PAI-P-149857

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