Inventor · disambiguated record
Ryozo Masaki
Also filed as: MASAKI RYOZO
8 granted patents·195 citations·filing 1998–2006
89Inventor score
Top patents by PatentIndex Score
8 records- 0190US6043624AMotor control method and motor control systemHITACHI LTD·Filed 1998·Granted Mar 28, 2000·58 cites·9 claims
- 0284US6005365AMotor control apparatusHITACHI LTD·Filed 1998·Granted Dec 21, 1999·53 cites·17 claims
- 0374US6055960AElectronic throttle valve control apparatusHITACHI LTD·Filed 1999·Granted May 2, 2000·23 cites·5 claims
- 0471US6390064B2Electronic throttle valve control apparatusHITACHI LTD·Filed 2001·Granted May 21, 2002·13 cites·4 claims
- 0571US6253733B1Electronic throttle valve control apparatusHITACHI LTD·Filed 2000·Granted Jul 3, 2001·13 cites·5 claims
- 0666US7605517B2Claw pole rotating electric machineHITACHI IND EQUIPMENT SYS·Filed 2006·Granted Oct 20, 2009·4 cites·7 claims
- 0761US6225774B1Motor control method and motor control systemHITACHI LTD·Filed 1999·Granted May 1, 2001·18 cites·6 claims
- 0848US6242882B1Motor control apparatusHITACHI LTD·Filed 1999·Granted Jun 5, 2001·13 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →