4. Electric lamp and discharge devices
  5. With luminescent solid or liquid material
  6. Solid-state type

Ho Seok Ko

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El device with electrode layer for noise reduction and...

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

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Keypad with EL united in keypad rubber and method for...

Computer graphics processing and selective visual display system – Display peripheral interface input device – Including keyboard
Reexamination Certificate

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Light guide member and backlight unit including light guide...

Optical waveguides – Noncyclindrical or nonplanar shaped waveguide
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2935361

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