Assignee
SHIRAHAMA SEIJI
JP·5 granted patents·26 citations·filing 2006–2012
Technology mixF04D5
Top patents by PatentIndex Score
5 records- 0181US8123468B2Centrifugal fanSHIRAHAMA SEIJI·Filed 2007·Granted Feb 28, 2012·16 cites·24 claims
- 0269US8240997B2Centrifugal impeller and centrifugal blower using the centrifugal impellerSHIRAHAMA SEIJI·Filed 2007·Granted Aug 14, 2012·5 cites·23 claims
- 0367US8235668B2Multiblade air blowerSHIRAHAMA SEIJI·Filed 2006·Granted Aug 7, 2012·4 cites·15 claims
- 0451US9435350B2Air blowing deviceSHIRAHAMA SEIJI·Filed 2010·Granted Sep 6, 2016·1 cites·14 claims
- 0551US9033655B2Multiblade air blowerSHIRAHAMA SEIJI·Filed 2012·Granted May 19, 2015·0 cites·10 claims
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