4. Radiant energy
  5. Photocells; circuits and apparatus
  6. Solid state light source

Hidekazu Toda

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Light emitting diode element

Active solid-state devices (e.g. – transistors – solid-state diode – Incoherent light emitter structure – With heterojunction
Reexamination Certificate

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Semiconductor light emitting device

Active solid-state devices (e.g. – transistors – solid-state diode – Incoherent light emitter structure – With reflector – opaque mask – or optical element integral...
Patent

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Semiconductor light emitting device having a protecting device

Radiant energy – Photocells; circuits and apparatus – Solid state light source
Patent

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Semiconductor light emitting device with increased luminous powe

Active solid-state devices (e.g. – transistors – solid-state diode – Incoherent light emitter structure – With housing or contact structure
Patent

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Semiconductor light emitting device with light reflective...

Active solid-state devices (e.g. – transistors – solid-state diode – Incoherent light emitter structure – With reflector – opaque mask – or optical element integral...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1159019

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