Inventor · disambiguated record
Toshisada Koyama
Also filed as: KOYAMA TOSHISADA
17 granted patents·6 pending applications·223 citations·filing 1999–2007
94Inventor score
Top patents by PatentIndex Score
23 records- 0193US6655847B2Pivot bearing assemblyMINEBEA CO LTD·Filed 2001·Granted Dec 2, 2003·35 cites·10 claims
- 0292US6449130B1Head stack assembly enabling independent control of a position of magnetic heads for access to different magnetic disks and support method thereofMINEBEA CO LTD·Filed 2000·Granted Sep 10, 2002·43 cites·3 claims
- 0391US6527449B1Pivot bearingMINEBEA CO LTD·Filed 2000·Granted Mar 4, 2003·39 cites·15 claims
- 0476US7135860B2Variable reluctance resolver including rotor with multiple detection portionsMINEBEA CO LTD·Filed 2004·Granted Nov 14, 2006·19 cites·20 claims
- 0576US6574076B1Pivot assembly for driving a magnetic headMINEBEA CO LTD·Filed 2000·Granted Jun 3, 2003·15 cites·2 claims
- 0663US7341379B2Pivot assembly for hard disk drive useMINEBEA CO LTD·Filed 2003·Granted Mar 11, 2008·8 cites·2 claims
- 0762US7044005B2Rotation angle sensor having single wire windings and method for winding a rotation angle sensorMINEBEA CO LTD·Filed 2004·Granted May 16, 2006·8 cites·10 claims
- 0862US6371652B1Bearing retainerMINEBEA CO LTD·Filed 2000·Granted Apr 16, 2002·8 cites·3 claims
- 0958US7136262B2Pivot assembly preloaded by laser welding for hard disk drive useMINEBEA CO LTD·Filed 2003·Granted Nov 14, 2006·3 cites·5 claims
- 1058US7056030B2Pivot bearing for a swing arm of a hard disk drive deviceMINEBEA KK·Filed 2002·Granted Jun 6, 2006·4 cites·6 claims
- 1158US6678122B2Actuator blockMINEBEA CO LTD·Filed 2001·Granted Jan 13, 2004·6 cites·18 claims
- 1257US7197951B2Multi-resolver rotation angle sensor with integrated housingMINEBEA CO LTD·Filed 2004·Granted Apr 3, 2007·6 cites·17 claims
- 1355US6995955B2Pivot assembly for hard disk drive useMINEBEA CO LTD·Filed 2003·Granted Feb 7, 2006·5 cites·5 claims
- 1455US6883969B2Pivot bearing assembly and a method of manufacturing the sameMINEBEA CO LTD·Filed 2003·Granted Apr 26, 2005·5 cites·3 claims
- 1553US7056029B2Bearing deviceMINEBEA CO LTD·Filed 2003·Granted Jun 6, 2006·4 cites·3 claims
- 1652US6406191B1Pivot assemblyMINEBEA CO LTD·Filed 1999·Granted Jun 18, 2002·12 cites·18 claims
- 1750US2005146810A1Pivot assemblyMINEBEA CO LTD·Filed 2005·Application pending·0 cites
- 1849US6559573B2Spindle motor and pivot assemblyMINEBEA CO LTD·Filed 2001·Granted May 6, 2003·3 cites·4 claims
- 1944US2008169712A1Multi-resolver rotation angle sensor with integrated housingMINEBEA CO LTD·Filed 2007·Application pending·0 cites
- 2040US2004136629A1Bearing deviceMINEBEA CO LTD·Filed 2003·Application pending·0 cites
- 2138US2002118491A1Swing arm assemblyFiled 2002·Application pending·0 cites
- 2237US2002006015A1Pivot assemblyMINEBEA CO LTD·Filed 2001·Application pending·0 cites
- 2337US2002039259A1Magnetic disk deviceMINEBEA CO LTD·Filed 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →