4. Acoustics
  5. Combined

Hiroshi Soma

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Active exhaust-noise attenuation muffler

Acoustics – Sound-modifying means – By wave interference
Patent

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Aromatic sulfonate derivative, polyarylene, sulfonated...

Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Reexamination Certificate

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Automotive loudspeaker having variable speaker orientation and p

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Camera with motor-driven lens barrel

Photography – With exposure objective focusing means – focusing aid – or... – Lens resetting
Reexamination Certificate

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Camera with motor-driven lens barrel

Photography – Self-developing camera
Reexamination Certificate

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Profile ID: LFUS-PAI-P-9222

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