4. Static structures (e.g., buildings)
  5. Means compensating earth-transmitted force
  6. Relative motion means between a structure and its foundation

Eiji Fukuzawa

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Damper device

Brakes – Internal-resistance motion retarder – Using a rotary-type fluid damper
Reexamination Certificate

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Elasto-plastic damper for structure

Static structures (e.g. – buildings) – Means compensating earth-transmitted force – Relative motion means between a structure and its foundation
Patent

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Toilet bowl flushing water tank device

Baths – closets – sinks – and spittoons – Flush closet – Tank only
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1281287

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