Inventor · disambiguated record
Toshiro Hattori
Also filed as: HATTORI TOSHIRO
15 granted patents·2 pending applications·317 citations·filing 1989–2015
94Inventor score
Top patents by PatentIndex Score
17 records- 0191US5465183AControl system for positioning head in disk device by estimating and correcting actuator parameters based on head position and actuator drive current obtained by vibrating the headNEC CORP·Filed 1994·Granted Nov 7, 1995·59 cites·12 claims
- 0290US4974373AAbrasive toolsTOKYO MAGNETIC PRINTING·Filed 1989·Granted Dec 4, 1990·67 cites·11 claims
- 0383US6043957AHead positioning mechanism for magnetic disk device provided with micro tracking actuator using magnetic force and drive control method thereforNEC CORP·Filed 1998·Granted Mar 28, 2000·36 cites·10 claims
- 0477US6659729B2Screw compressor equipment for accommodating low compression ratio and pressure variation and the operation method thereofMAEKAWA SEISAKUSHO KK·Filed 2001·Granted Dec 9, 2003·16 cites·11 claims
- 0577US6202424B1System for compressing contaminated gasMAEKAWA SEISAKUSHO KK·Filed 1999·Granted Mar 20, 2001·29 cites·11 claims
- 0675US7165947B2Screw compressor capable of manually adjusting both internal volume ratio and capacity and combined screw compressor unit accommodating variation in suction or discharge pressureMAEKAWA SEISAKUSHO KK·Filed 2004·Granted Jan 23, 2007·14 cites·5 claims
- 0774US6510016B1Head positioning control system for disk driveNEC CORP·Filed 2000·Granted Jan 21, 2003·10 cites·7 claims
- 0873US5867342ATracking servo system for magnetic disc drive with reduced head-settling timeNEC CORP·Filed 1996·Granted Feb 2, 1999·27 cites·4 claims
- 0965US6881040B2Multi-stage screw compressor unit accommodating high suction pressure and pressure fluctuations and method of operation thereofMAEKAWA SEISAKUSHO KK·Filed 2003·Granted Apr 19, 2005·9 cites·9 claims
- 1060US6061208AMagnetic disc device with stopper on carriage to limit rotational movement of support springNEC CORP·Filed 1998·Granted May 9, 2000·14 cites·14 claims
- 1153US6342987B1Head positioning mechanism for magnetic disk device provided with micro tracking actuator using magnetic force drive control method thereforNEC CORP·Filed 1999·Granted Jan 29, 2002·9 cites·1 claims
- 1252US6414812B1Medium replacement type disc apparatusNEC CORP·Filed 1999·Granted Jul 2, 2002·10 cites·10 claims
- 1350US6320720B1Head-positioning system with an improved fine tracking actuator control schemeNEC CORP·Filed 1998·Granted Nov 20, 2001·9 cites·4 claims
- 1448US2013008194A1Heat pump apparatus and operation method for heat pump apparatusMAEKAWA SEISAKUSHO KK·Filed 2012·Application pending·0 cites
- 1547US2015285546A1Heat pump apparatus and operation method for heat pump apparatusMAEKAWA SEISAKUSHO KK·Filed 2015·Application pending·0 cites
- 1644US6560058B1Positioning control device, changeable magnetic disc device, and head control methodTDK CORP·Filed 1999·Granted May 6, 2003·6 cites·15 claims
- 1739US6585801B2Operating method of gas engine accommodating to sour gas and the system thereofMAEKAWA SEISAKUSHO KK·Filed 2001·Granted Jul 1, 2003·2 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →