4. Communications, electrical: acoustic wave systems and devices
  5. Signal transducers
  6. Underwater type

Kiyonari Kojima

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Driving support apparatus

Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Reexamination Certificate

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Obstacle detection device

Communications: electrical – Land vehicle alarms or indicators – Of relative distance from an obstacle
Reexamination Certificate

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Ultrasonic sensor with piezoelectric elements and vibration...

Communications – electrical: acoustic wave systems and devices – Signal transducers – Underwater type
Reexamination Certificate

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Ultrasound sensor

Communications – electrical: acoustic wave systems and devices – Echo systems – Presence or movement only detection
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2224323

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