4. Communications, electrical: acoustic wave systems and devices
  5. Echo systems
  6. Distance or direction finding

Hiroyuki Hamato

Inventor

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Fishing data display device

Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding
Reexamination Certificate

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Ship track and underwater conditions indicating system

Data processing: vehicles – navigation – and relative location – Navigation – Employing position determining equipment
Patent

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Underwater detection system

Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding
Patent

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Profile ID: LFUS-PAI-P-1165551

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