4. Telecommunications
  5. Transmitter and receiver at same station
  6. With transmitter-receiver switching or interaction prevention

Toshikazu Hirai

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Communication apparatus using common amplifier for transmission

Telecommunications – Transmitter and receiver at same station – With transmitter-receiver switching or interaction prevention
Patent

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Compound semiconductor device

Semiconductor device manufacturing: process – Introduction of conductivity modifying dopant into... – Ion implantation of dopant into semiconductor region
Reexamination Certificate

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Compound semiconductor device with depletion layer stop region

Active solid-state devices (e.g. – transistors – solid-state diode – Field effect device – Junction field effect transistor
Reexamination Certificate

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Double-balanced mixer circuit

Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Frequency or repetition rate conversion or control
Patent

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IC chip for different type IC packages

Active solid-state devices (e.g. – transistors – solid-state diode – Combined with electrical contact or lead – Configuration or pattern of bonds
Patent

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Profile ID: LFUS-PAI-P-1272415

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