Inventor · disambiguated record
Katsuo Ishikawa
Also filed as: ISHIKAWA KATSUO
10 granted patents·8 pending applications·65 citations·filing 2005–2014
88Inventor score
Top patents by PatentIndex Score
18 records- 0188US7714484B2Piezoelectric resonator and manufacturing method thereforEPSON TOYOCOM CORP·Filed 2008·Granted May 11, 2010·19 cites·7 claims
- 0286US8134283B2Vibrating element and vibratorYAMADA AKINORI·Filed 2010·Granted Mar 13, 2012·10 cites·10 claims
- 0385US7625123B2Hydrodynamic bearing device and spindle motor that makes use of samePANASONIC CORP·Filed 2006·Granted Dec 1, 2009·9 cites·5 claims
- 0480US7859172B2Piezoelectric resonator, manufacturing method thereof and lid for piezoelectric resonatorEPSON TOYOCOM CORP·Filed 2008·Granted Dec 28, 2010·12 cites·14 claims
- 0579US7541708B2Spindle motorPANASONIC CORP·Filed 2005·Granted Jun 2, 2009·8 cites·5 claims
- 0662US8643254B2Piezoelectric device with a package including a convex partISHIKAWA KATSUO·Filed 2010·Granted Feb 4, 2014·2 cites·8 claims
- 0754US9325292B2Piezoelectric device with a package including a convex partSEIKO EPSON CORP·Filed 2014·Granted Apr 26, 2016·0 cites·20 claims
- 0852US2009152968A1Spindle motorPANASONIC CORP·Filed 2009·Application pending·0 cites
- 0951US8723401B2Piezoelectric device with a package including a convex partSEIKO EPSON CORP·Filed 2013·Granted May 13, 2014·0 cites·20 claims
- 1051US2010052447A1Hydrodynamic bearing device, spindle motor, and information deviceKADOYA YOSUKE·Filed 2009·Application pending·0 cites
- 1149US2011044837A1Sleeve for hydrodynamic bearing device, hydrodynamic bearing device and spindle motor using the same, and method for manufacturing sleeveNIDEC CORP·Filed 2010·Application pending·0 cites
- 1248US2007047857A1Sleeve for hydrodynamic bearing device, hydrodynamic bearing device and spindle motor using the same, and method for manufacturing sleeveHAMADA TSUTOMU·Filed 2006·Application pending·0 cites
- 1347US2009060403A1Sleeve for hydrodynamic bearing device, hydrodynamic bearing device equipped with same, spindle motor, information processing apparatus, and method for manufacturing sleeve for hydrodynamic bearing deviceHAMADA TSUTOMU·Filed 2008·Application pending·0 cites
- 1444US2009073596A1Hydrodynamic bearing device, and spindle motor and information processing apparatus equipped with the sameASADA TAKAFUMI·Filed 2008·Application pending·0 cites
- 1542US2010180415A1Piezoelectric resonator and manufacturing method thereforEPSON TOYOCOM CORP·Filed 2010·Application pending·0 cites
- 1640US2007092171A1Hydrodynamic bearing device and manufacturing method thereofASADA TAKAFUMI·Filed 2006·Application pending·0 cites
- 1736USD580592SPiezoelectric deviceEPSON TOYOCOM CORP·Filed 2007·Granted Nov 11, 2008·3 cites·1 claims
- 1833USD580096SPiezoelectric deviceEPSON TOYOCOM CORP·Filed 2007·Granted Nov 4, 2008·2 cites·1 claims
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