4. Card, picture, or sign exhibiting
  5. Illuminated sign
  6. Luminescent

Meiso Yokoyama

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Decorative display apparatus

Card – picture – or sign exhibiting – Illuminated sign – Luminescent
Patent

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Field emission display device

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

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Field emission organic light emitting diode

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

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Gas detecting device

Measuring and testing – Gas analysis – Gas chromatography
Patent

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Light-emitting electroluminescent device

Electric lamp and discharge devices – With luminescent solid or liquid material – Solid-state type
Patent

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Profile ID: LFUS-PAI-P-1223704

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