4. Coherent light generators
  5. Particular active media
  6. Semiconductor

Keiji Takaoka

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Grating coupled surface emitting device

Coherent light generators – Particular resonant cavity – Distributed feedback
Patent

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Laminated semiconductor substrate and optical semiconductor...

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

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Laminated semiconductor substrate and optical semiconductor...

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

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Optical interconnection device

Radiant energy – Photocells; circuits and apparatus – Signal isolator
Patent

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Optoelectronic semiconductor device and light signal...

Active solid-state devices (e.g. – transistors – solid-state diode – Housing or package
Reexamination Certificate

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Profile ID: LFUS-PAI-P-531021

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