Assignee
KOYAMA HIRONORI
JP·4 granted patents·3 citations·filing 2008–2012
Top patents by PatentIndex Score
4 records- 0159US8091872B2Fluid-filled type vibration damping deviceKOYAMA HIRONORI·Filed 2008·Granted Jan 10, 2012·2 cites·4 claims
- 0254US9243680B2Fluid-filled type active vibration damping deviceKOYAMA HIRONORI·Filed 2012·Granted Jan 26, 2016·1 cites·11 claims
- 0349US8083217B2Fluid-filled type vibration damping deviceKOYAMA HIRONORI·Filed 2009·Granted Dec 27, 2011·0 cites·7 claims
- 0434US8936235B2Fluid-filled type vibration damping device and manufacturing method thereofKOYAMA HIRONORI·Filed 2012·Granted Jan 20, 2015·0 cites·9 claims
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