Inventor · disambiguated record
Yoshitaka Hayashi
Also filed as: HAYASHI YOSHITAKA
39 granted patents·16 pending applications·1,159 citations·filing 1982–2019
98Inventor score
Top patents by PatentIndex Score
55 records- 0199US6280684B1Sputtering target, method of producing the target, optical recording medium fabricated by using the sputtering target, and method of fabricating the optical recording mediumRICOH KK·Filed 2000·Granted Aug 28, 2001·320 cites·4 claims
- 0299US4795278ABearing assemblyNIPPON SEIKO KK·Filed 1987·Granted Jan 3, 1989·115 cites·16 claims
- 0395US7102314B2Brushless motor control apparatus having overheat protecting functionDENSO CORP·Filed 2005·Granted Sep 5, 2006·41 cites·5 claims
- 0493US5018384ARotational speed detectorNIPPON SEIKO KK·Filed 1990·Granted May 28, 1991·73 cites·9 claims
- 0592US6920668B2Hinge unit and electronic apparatus unitSTRAWBERRY CORP KK·Filed 2001·Granted Jul 26, 2005·34 cites·2 claims
- 0692US5785828ASputtering target for producing optical recording mediumRICOH KK·Filed 1995·Granted Jul 28, 1998·54 cites·3 claims
- 0792US4783180ABearing assembly for vehicleNIPPON SEIKO KK·Filed 1987·Granted Nov 8, 1988·55 cites·5 claims
- 0891US7488526B2Sputtering target and manufacturing method therefor, and optical recording medium and manufacturing method thereforRICOH KK·Filed 2006·Granted Feb 10, 2009·12 cites·17 claims
- 0991US6503592B1Sputtering target, method of producing the target, optical recording medium fabricated by using the sputtering target, and method of fabricating the optical recording mediumRICOH KK·Filed 2001·Granted Jan 7, 2003·24 cites·17 claims
- 1089US6127016ASputtering target, method of producing the target, optical recording medium fabricated by using the sputtering target, and method of fabricating the optical recording mediumRICOH KK·Filed 1997·Granted Oct 3, 2000·40 cites·16 claims
- 1188US6933032B2Write-once-read-many optical recording media and process for recording and reproducing information on the mediaRICOH KK·Filed 2004·Granted Aug 23, 2005·24 cites·43 claims
- 1286US4545537AShredder with increased reversed unlocking torqueMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1982·Granted Oct 8, 1985·35 cites·9 claims
- 1385US7413788B2Write-once-read-many optical recording media and process for recording and reproducing information on the mediaRICOH KK·Filed 2005·Granted Aug 19, 2008·7 cites·20 claims
- 1481US8124211B2Optical recording medium, sputtering target, and method for manufacturing the sameSASA NOBORU·Filed 2008·Granted Feb 28, 2012·4 cites·13 claims
- 1581US6849024B2Starting clutch and method of controlling the sameNSK LTD·Filed 2001·Granted Feb 1, 2005·22 cites·89 claims
- 1681US5135893ACarbonaceous ceramic composite for use in contact with molten nonferrous metalOSAKA GAS CO LTD·Filed 1989·Granted Aug 4, 1992·39 cites·5 claims
- 1778US5885733ANon-aqueous secondary lithium batteryRICOH KK·Filed 1997·Granted Mar 23, 1999·59 cites·19 claims
- 1875US5900336ANegative electrode for lithium secondary battery and lithium secondary battery using the negative electrodeRICOH KK·Filed 1997·Granted May 4, 1999·50 cites·23 claims
- 1975US4913276AClutch releasing apparatusNIPPON SEIKO KK·Filed 1988·Granted Apr 3, 1990·22 cites·12 claims
- 2074US9543880B2Rotary machine control apparatusDENSO CORP·Filed 2015·Granted Jan 10, 2017·3 cites·17 claims
- 2174US7636289B2Optical-recording medium, method for producing the same, and method for recording and reproducing optical-recordingRICOH KK·Filed 2005·Granted Dec 22, 2009·2 cites·17 claims
- 2274US5882493AHeat treated and sintered sputtering targetRICOH KK·Filed 1997·Granted Mar 16, 1999·25 cites·10 claims
- 2373US7897535B2Sputtering target and manufacturing method therefor, and recordable optical recording mediumRICOH CO LTD·Filed 2007·Granted Mar 1, 2011·1 cites·7 claims
- 2471US8134326B2Motor drive apparatus and method for electric power steering systemHAYASHI YOSHITAKA·Filed 2008·Granted Mar 13, 2012·8 cites·2 claims
- 2568US8227067B2Optical recording medium, and sputtering target and method for producing the sameHAYASHI YOSHITAKA·Filed 2008·Granted Jul 24, 2012·1 cites·20 claims
- 2666US7189171B2Rolling bearing for belt driven continuously variable transmissionNSK LTD·Filed 2004·Granted Mar 13, 2007·7 cites·7 claims
- 2765US8147942B2Worm optical recording mediumSASA NOBORU·Filed 2008·Granted Apr 3, 2012·1 cites·17 claims
- 2860US6913252B2Damper deviceSTRAWBERRY CORP KK·Filed 2001·Granted Jul 5, 2005·8 cites·3 claims
- 2960US6152605ABall bearingNSK LTD·Filed 1999·Granted Nov 28, 2000·17 cites·9 claims
- 3060US6101488AIntelligent information program generation and retrieval systemFUJITSU LTD·Filed 1997·Granted Aug 8, 2000·43 cites·13 claims
- 3156US6395866B1Polyester resin for antifouling paint and antifouling paint containing the resinTOYO BOSEKI·Filed 2000·Granted May 28, 2002·5 cites·9 claims
- 3253US8163366B2Write-once-read-many optical recording mediumFUJII TOSHISHIGE·Filed 2005·Granted Apr 24, 2012·0 cites·20 claims
- 3351US2010014394A1Write-once-read-many optical recording medium and recording method thereforRICOH KK·Filed 2007·Application pending·0 cites
- 3451US2009022932A1Optical recording mediumFUJII TOSHISHIGE·Filed 2008·Application pending·0 cites
- 3550US8124212B2Sputtering target and manufacturing method therefor, and recordable optical recording mediumHAYASHI YOSHITAKA·Filed 2010·Granted Feb 28, 2012·0 cites·15 claims
- 3648US8139468B2Optical recording medium and recording and reproducing method using the sameMIURA HIROSHI·Filed 2006·Granted Mar 20, 2012·0 cites·10 claims
- 3748US2006222810A1Write-onece-read-many optical recording medium, sputtering target and the production method thereofHAYASHI YOSHITAKA·Filed 2006·Application pending·0 cites
- 3848US2010020668A1Recordable optical recording medium and recording method thereofRICOH KK·Filed 2007·Application pending·0 cites
- 3948US2010319162A1Hinge device and apparatus using the sameKUBOTA NAOKI·Filed 2009·Application pending·0 cites
- 4048US2007237064A1Dual-layer recordable optical recording mediumFUJII TOSHISHIGE·Filed 2007·Application pending·0 cites
- 4148US2009300882A1Hinge Device and Electronic Apparatus Using The Hinge DeviceHAYASHI YOSHITAKA·Filed 2007·Application pending·0 cites
- 4246US7037386B2Rolling bearing for continuously variable transmissionNSK LTD·Filed 2003·Granted May 2, 2006·1 cites·2 claims
- 4346US2020102868A1Novel twc catalysts for gasoline exhaust gas applicationsJOHNSON MATTHEY PLC·Filed 2019·Application pending·0 cites
- 4445US7206996B2Portal site providing systemFUJITSU LTD·Filed 2002·Granted Apr 17, 2007·1 cites·21 claims
- 4544US2006005354A1Hinge device, hinge unit and electronic applianceNADA YOSHIYUKI·Filed 2005·Application pending·0 cites
- 4643US6995538B2Rotational direction detecting apparatus for a three-phase brushless DC motorDENSO CORP·Filed 2003·Granted Feb 7, 2006·3 cites·2 claims
- 4743US2008062841A1Recording/Reproduction Method for Optical Recording Medium, Recording Condition Determining Method, Recording Method Optical Disk Apparatus, Program, and Recording Medium ThereofSASA NOBORU·Filed 2005·Application pending·0 cites
- 4842US10298165B2Rotary electric machine systemDENSO CORP·Filed 2017·Granted May 21, 2019·0 cites·10 claims
- 4939US2011221382A1Motor control method and apparatus and electric power steering systemDENSO CORP·Filed 2011·Application pending·0 cites
- 5039US2005168892A1Electric power steering systemFiled 2005·Application pending·0 cites
Showing the top 50 of 55 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →