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Obata; Morio
Minato-ku, JP
No. of patents:

Patent Number Title Of Patent Date Issued
7281287 Prop-type damping device October 16, 2007
There is disclosed a prop-type damping device which effectively consumes energy of up-and-down vibration on a main girder of a bridge caused by earthquakes, winds, passing vehicles or the like to prolong a life of the bridge and improve comfort for bridge users with a simple constitution
6986412 Tuned cradle type damping device January 17, 2006
A tuned cradle type damping deice which can be tuned with low-order (e.g., 1 Hz or lower) vibration, and exhibits higher performance for maintenance and inspection with a simple constitution than a conventional one. This tuned cradle type damping device comprises: a support having a

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