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  5. Vibration isolation, vibration control, and earthquake resistance construction
  6. *Presentation of explanatory materials: Reasons why seismic isolation devices are chosen by construction companies part 2*

*Presentation of explanatory materials: Reasons why seismic isolation devices are chosen by construction companies part 2*

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last updated:Nov 26, 2025

トキワシステム
トキワシステム
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As our first installation, we set it up in the president's new home! An interview about the deciding factors for choosing our products.

Glass Ranch House Co., Ltd. continues to provide high-performance homes utilizing natural materials, double insulation, geothermal energy, and solar natural energy. We are pleased to announce that our seismic isolation device "α Damper ExII" has been adopted for the first time in the new home of the president. We conducted an interview regarding the "trigger for learning about seismic isolation" and their "impressions after actually installing the α Damper ExII." For more details, please refer to the related links below, and we encourage you to read it. [Interview Content] ■ Please tell us about the trigger for learning about seismic isolation. ■ What impressions do you have of seismic isolation and base isolation? ■ You had a good impression of seismic isolation. ■ What was the deciding factor for choosing "α Damper ExII" among the various types of seismic isolation devices? ■ Please share your impressions after actually installing the "α Damper ExII." ■ If you have any expectations for Tokiwa System Co., Ltd. moving forward, please let us know. *For more details, please refer to the PDF document or feel free to contact us.

    Structural MaterialsWooden frame unitVibration isolation, vibration control, and earthquake resistance construction
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*Presentation of explanatory materials: Reasons why seismic isolation devices are chosen by construction companies part 2*

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Hydraulic Vibration Control Device for Wooden Houses 'α Damper ExII' *Pamphlet included

Hydraulic Vibration Control Device for Wooden Houses 'α Damper ExII' *Pamphlet included

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トキワシステム

トキワシステム

Building materials, supplies and fixtures manufacturers

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Tokiwa System Co., Ltd. is a company that develops, manufactures, and sells the seismic control device αDamperExII. It is a pioneer in seismic control devices using hydraulic dampers. The αDamperExII has received the number one track record and trust in the Tokai and Tonankai earthquake warning areas, and it will soon be adopted in 10,000 buildings. The αDamperExII is a hydraulic seismic control device that reduces building deformation caused by earthquake shaking by approximately half.

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