4. Fluid reaction surfaces (i.e., impellers)
  5. Articulated, resiliently mounted or self-shifting impeller...
  6. Nonmetallic resilient mounting

Yoshiyuki Niwa

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Bearingless hub structure for rotary-wing aircrafts

Fluid reaction surfaces (i.e. – impellers) – Articulated – resiliently mounted or self-shifting impeller... – Nonmetallic resilient mounting
Patent

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Flight system and system for forming virtual images for aircraft

Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Aeronautical vehicle
Patent

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Ion implantation system and method suitable for low energy...

Radiant energy – Irradiation of objects or material – Irradiation of semiconductor devices
Reexamination Certificate

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Profile ID: LFUS-PAI-P-672855

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