4. Electric power conversion systems
  5. Current conversion
  6. Including d.c.-a.c.-d.c. converter

Toshiya Fujiyama

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Delay circuit and ring oscillator incorporating the same

Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Having specific delay in producing output waveform
Reexamination Certificate

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LED-switching controller and LED-switching control method

Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate

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Negative voltage output charge pump circuit

Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Reexamination Certificate

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Phase control circuit and switching regulator

Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2515489

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