Inventor · disambiguated record
Masashi Hirayama
Also filed as: HIRAYAMA MASASHI
8 granted patents·8 pending applications·59 citations·filing 1981–2019
84Inventor score
Top patents by PatentIndex Score
16 records- 0193US8382450B2Centrifugal fanNIDEC CORP·Filed 2010·Granted Feb 26, 2013·18 cites·20 claims
- 0279US10677258B2Blower comprising impeller and motorNIDEC CORP·Filed 2018·Granted Jun 9, 2020·3 cites·21 claims
- 0374US8967867B2Motor and fanKIMURA AKIHIRO·Filed 2012·Granted Mar 3, 2015·4 cites·17 claims
- 0471US8496447B2MotorIDA KIYOTO·Filed 2010·Granted Jul 30, 2013·4 cites·20 claims
- 0567US4437350AVortex flow metering apparatusYOKOGAWA HOKUSHIN ELECTRIC·Filed 1981·Granted Mar 20, 1984·22 cites·6 claims
- 0659US8092195B2Motor and fan apparatus having the motorMURAOKA KOJI·Filed 2009·Granted Jan 10, 2012·8 cites·16 claims
- 0749US2019390678A1Centrifugal fanNIDEC CORP·Filed 2019·Application pending·0 cites
- 0848US9341214B2Sleeve, fluid dynamic pressure bearing including the sleeve, spindle motor including the fluid dynamic pressure bearing and electronic equipment including the spindle motorNIDEC CORP·Filed 2014·Granted May 17, 2016·0 cites·16 claims
- 0948US2019195235A1Centrifugal fanNIDEC CORP·Filed 2018·Application pending·0 cites
- 1047US2019195231A1Centrifugal fanNIDEC CORP·Filed 2018·Application pending·0 cites
- 1145US2013230421A1Centrifugal fanNIDEC CORP·Filed 2013·Application pending·0 cites
- 1244US10859093B2BlowerNIDEC CORP·Filed 2018·Granted Dec 8, 2020·0 cites·16 claims
- 1344US2013136631A1FanHIRAYAMA MASASHI·Filed 2012·Application pending·0 cites
- 1441US2018238338A1Blower apparatusNIDEC CORP·Filed 2018·Application pending·0 cites
- 1540US2018202457A1BlowerNIDEC CORP·Filed 2018·Application pending·0 cites
- 1640US2018238340A1Blower apparatusNIDEC CORP·Filed 2018·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →