Inventor · disambiguated record
Hayato Naito
Also filed as: NAITO HAYATO
23 granted patents·306 citations·filing 1984–2015
96Inventor score
Files withSANKYO SEIKI SEISAKUSHO KK18NAITO HAYATO1NIDEC SANKYO CORP1SANKYO SAIKI MFG CO LTD1SANYO SEIKI MFG CO LTD1
Top patents by PatentIndex Score
23 records- 0194US9185296B2Optical unit with shake correcting functionNIDEC SANKYO CORP·Filed 2015·Granted Nov 10, 2015·14 cites·14 claims
- 0292US9049375B2Optical unit with shake correcting functionWADE TATSUKI·Filed 2011·Granted Jun 2, 2015·20 cites·17 claims
- 0382US4658190AReduced ripple drive circuit for a brushless motorSANKYO SEIKI SEISAKUSHO KK·Filed 1984·Granted Apr 14, 1987·33 cites·4 claims
- 0475US5552964ASwitch mounted on circuit board and method of mounting switch on circuit boardSANKYO SEIKI SEISAKUSHO KK·Filed 1992·Granted Sep 3, 1996·26 cites·10 claims
- 0569US6713979B2Actuator drive circuitSANKYO SEIKI SEISAKUSHO KK·Filed 2002·Granted Mar 30, 2004·17 cites·11 claims
- 0666US6528916B1Brushless motorSANKYO SEIKI SEISAKUSHO KK·Filed 2000·Granted Mar 4, 2003·14 cites·13 claims
- 0763US5686770APosition detector of a brushless motorSANKYO SEIKI SEISAKUSHO KK·Filed 1995·Granted Nov 11, 1997·26 cites·12 claims
- 0859US5196771ABrushless motor drive circuitSANKYO SEIKI SEISAKUSHO KK·Filed 1992·Granted Mar 23, 1993·20 cites·6 claims
- 0958US5155419ABrushless motor drive circuit having a highly accurate sinusoidal output signalSANKYO SEIKI SEISAKUSHO KK·Filed 1990·Granted Oct 13, 1992·19 cites·7 claims
- 1057US8687953B2Photographic optical device, photographic optical system and distance variation amount detecting deviceNAITO HAYATO·Filed 2011·Granted Apr 1, 2014·1 cites·16 claims
- 1157US6791824B2Tape running apparatus, motor board, and capstan motorSANKYO SEIKI SEISAKUSHO KK·Filed 2002·Granted Sep 14, 2004·3 cites·6 claims
- 1257US5173645ABrushless motor drive circuitSANKYO SEIKI SEISAKUSHO KK·Filed 1990·Granted Dec 22, 1992·19 cites·8 claims
- 1355US5483162AMagnetic detector for a frequency generator responsive to motor rotationSANKYO SAIKI MFG CO LTD·Filed 1992·Granted Jan 9, 1996·18 cites·6 claims
- 1449US6552505B2Method for driving motors and apparatus for driving motorsSANKYO SEIKI SEISAKUSHO KK·Filed 2001·Granted Apr 22, 2003·6 cites·14 claims
- 1547US5761375ABrushless motor speed detection deviceSANKYO SEIKI SEISAKUSHO KK·Filed 1996·Granted Jun 2, 1998·12 cites·7 claims
- 1646US5331259ABrushless motor drive circuitSANKYO SEIKI SEISAKUSHO KK·Filed 1991·Granted Jul 19, 1994·11 cites·7 claims
- 1743US6495938B2Brushless motor, method for operating brushless motor and method for manufacturing brushless motorSANKYO SEIKI SEISAKUSHO KK·Filed 2001·Granted Dec 17, 2002·8 cites·14 claims
- 1842US5689181ABrushless motor speed detecting apparatus for reducing generation of spike voltageSANKYO SEIKI SEISAKUSHO KK·Filed 1996·Granted Nov 18, 1997·11 cites·14 claims
- 1940US5378967ABrushless motor drive circuitSANKYO SEIKI SEISAKUSHO KK·Filed 1993·Granted Jan 3, 1995·7 cites·5 claims
- 2039US5140232ABrushless motor drive circuitSANKYO SEIKI SEISAKUSHO KK·Filed 1990·Granted Aug 18, 1992·7 cites·6 claims
- 2136US5237247AThree-phase sine wave signal synthesizing circuit and brushless motor drive circuit using the sameSANKYO SEIKI SEISAKUSHO KK·Filed 1992·Granted Aug 17, 1993·5 cites·5 claims
- 2235US5373252ACircuit for preventing saturation of a transistorSANKYO SEIKI SEISAKUSHO KK·Filed 1991·Granted Dec 13, 1994·4 cites·6 claims
- 2328US5644203ABrushless motor speed detectorSANYO SEIKI MFG CO LTD·Filed 1993·Granted Jul 1, 1997·5 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →