4. Acoustics
  5. Diaphragm and enclosure
  6. Rounded enclosure

Hirokazu Toyoda

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Method for forming perforations on a printed circuit board

Metal working – Method of mechanical manufacture – Electrical device making
Patent

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Noise free transceiver circuit

Pulse or digital communications – Cable systems and components
Reexamination Certificate

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Speaker system

Acoustics – Diaphragm and enclosure – Rounded enclosure
Patent

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Vehicle generator regulating apparatus

Electricity: single generator systems – Automatic control of generator or driving means – Voltage of generator or circuit supplied
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1092437

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