4. Electricity: magnetically operated switches, magnets, and electr
  5. Electromagnetically actuated switches
  6. Vacuum or hermetically sealed type

Akinori Maeda

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Audio-frequency power amplifiers

Amplifiers – With semiconductor amplifying device – Including push-pull amplifier
Patent

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Digital to analog converter circuit

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

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Display device

Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate

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Flat panel display device

Electric lamp and discharge devices – With luminescent solid or liquid material – Vacuum-type tube
Reexamination Certificate

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Reed switch with high insulation

Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Vacuum or hermetically sealed type
Patent

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Profile ID: LFUS-PAI-P-708757

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