Assignee
YAMAKAWA TAKASHI
JP·5 granted patents·1 pending application·14 citations·filing 2009–2012
Top patents by PatentIndex Score
6 records- 0190US9746216B2Heat pump device, heat pump system, air conditioner, and freezerYAMAKAWA TAKASHI·Filed 2012·Granted Aug 29, 2017·10 cites·16 claims
- 0274US8856136B2Information update systemYAMAKAWA TAKASHI·Filed 2010·Granted Oct 7, 2014·4 cites·12 claims
- 0350US8331590B2Delay time calculation apparatus and methodYAMAKAWA TAKASHI·Filed 2009·Granted Dec 11, 2012·0 cites·2 claims
- 0443US9390703B2Masking sound generating apparatus, storage medium stored with masking sound signal, masking sound reproducing apparatus, and programYAMAKAWA TAKASHI·Filed 2011·Granted Jul 12, 2016·0 cites·16 claims
- 0541US9322315B2Particulate collection filter state detection deviceYAMAKAWA TAKASHI·Filed 2012·Granted Apr 26, 2016·0 cites·18 claims
- 0637US2014086426A1Masking sound generation device, masking sound output device, and masking sound generation programYAMAKAWA TAKASHI·Filed 2011·Application pending·0 cites
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