Inventor · disambiguated record
Jun Yoshioka
Also filed as: YOSHIOKA JUN
31 granted patents·5 pending applications·548 citations·filing 1991–2025
97Inventor score
Files withDANA CORP8TORQUE TRACTION TECH INC5DANA AUTOMOTIVE SYSTEMS GROUP4PHC HOLDINGS CORP4YOSHIOKA JUN4
Top patents by PatentIndex Score
36 records- 0196US7452301B2Externally actuated torque coupling for drivetrainDANA AUTOMOTIVE SYSTEMS GROUP·Filed 2006·Granted Nov 18, 2008·43 cites·15 claims
- 0293US6648611B2Gerotor pump having an eccentric ring housing with an integral pressure chamberTORQUE TRACTION TECH INC·Filed 2001·Granted Nov 18, 2003·49 cites·20 claims
- 0392US8857801B2Composite coil springYOSHIOKA JUN·Filed 2012·Granted Oct 14, 2014·12 cites·25 claims
- 0492US6692396B1Solenoid actuated variable pressure relief valve assembly for limited slip differential assemblyTORQUE TRACTION TECH INC·Filed 2002·Granted Feb 17, 2004·46 cites·27 claims
- 0589US6332522B1Hydraulic coupling for vehicle drivetrainDANA CORP·Filed 2000·Granted Dec 25, 2001·29 cites·20 claims
- 0688US9982734B2Composite coil springMITSUBISHI STEEL MFG·Filed 2017·Granted May 29, 2018·2 cites·19 claims
- 0785US7096990B2Double disconnect assembly for multi-axle vehiclesSPICER TECH INC·Filed 2001·Granted Aug 29, 2006·29 cites·15 claims
- 0882US6210299B1Tubular beam motor vehicle differential axle assemblyDANA CORP·Filed 1998·Granted Apr 3, 2001·33 cites·21 claims
- 0981US6517462B2Dual disconnect drive assemblySPICER TECH INC·Filed 2001·Granted Feb 11, 2003·23 cites·18 claims
- 1080US7353928B2Torque coupling assembly with venting passageDANA AUTOMOTIVE SYSTEMS GROUP·Filed 2005·Granted Apr 8, 2008·6 cites·19 claims
- 1179US6742640B1Wrap spring activated torque transfer deviceTORQUE TRACTION TECH INC·Filed 2002·Granted Jun 1, 2004·15 cites·28 claims
- 1278US5269731ADifferential unit having adjustable bearing assembliesDANA CORP·Filed 1991·Granted Dec 14, 1993·45 cites·10 claims
- 1377US6802791B1Pressure control valve for hydraulic actuation assemblyTORQUE TRACTION TECH INC·Filed 2002·Granted Oct 12, 2004·17 cites·18 claims
- 1477US6238315B1Hydraulic coupling for vehicle drivetrainFiled 1999·Granted May 29, 2001·27 cites·20 claims
- 1574US6059680ASpeed sensitive on-demand torque coupling differentialDANA CORP·Filed 1999·Granted May 9, 2000·26 cites·10 claims
- 1671US10385940B2Composite coil springMITSUBISHI STEEL MFG·Filed 2018·Granted Aug 20, 2019·0 cites·16 claims
- 1771US9677637B2Composite coil springYOSHIOKA JUN·Filed 2012·Granted Jun 13, 2017·1 cites·11 claims
- 1871US6183387B1Variable pressure relief system for hydraulically actuated limited slip differentialsDANA CORP·Filed 1999·Granted Feb 6, 2001·39 cites·21 claims
- 1971US2025305726A1Refrigeration apparatusPHC HOLDINGS CORP·Filed 2025·Application pending·0 cites
- 2070US7207349B1Hydraulic flow pressure switchTORQUE TRACTION TECHNOLOGIES L·Filed 2002·Granted Apr 24, 2007·14 cites·15 claims
- 2169US7357236B2Pressure relief valve actuator for hydraulic torque coupling actuatorDANA AUTOMOTIVE SYSTEMS GROUP·Filed 2005·Granted Apr 15, 2008·5 cites·20 claims
- 2267US7102245B2Integral generator/pinion assembly for axle power generationTORQUE TRACTION TECHNOLOGIES L·Filed 2003·Granted Sep 5, 2006·13 cites·12 claims
- 2366US7111670B2Plate fin for heat exchanger and heat exchanger coreT RAD CO LTD·Filed 2003·Granted Sep 26, 2006·12 cites·5 claims
- 2463US6318201B1Motor vehicle differential bearing pre-load mechanismDANA CORP·Filed 1999·Granted Nov 20, 2001·18 cites·19 claims
- 2563US2025305725A1Refrigeration apparatusPHC HOLDINGS CORP·Filed 2025·Application pending·0 cites
- 2660US6474433B1Speed sensitive on-demand torque coupling differentialSPICER TECH INC·Filed 1999·Granted Nov 5, 2002·15 cites·12 claims
- 2757US11333429B2Refrigeration devicePHC HOLDINGS CORP·Filed 2019·Granted May 17, 2022·0 cites·8 claims
- 2854US11448453B2Refrigeration devicePHC HOLDINGS CORP·Filed 2019·Granted Sep 20, 2022·0 cites·8 claims
- 2954US7077779B2Solenoid actuated variable pressure relief valve assembly for torque transfer assemblyTORQUE TRACTION TECH INC·Filed 2003·Granted Jul 18, 2006·6 cites·25 claims
- 3050US7413066B2Hydraulically controlled torque coupling deviceDANA AUTOMOTIVE SYSTEMS GROUP·Filed 2004·Granted Aug 19, 2008·2 cites·21 claims
- 3147US6089115AAngular transmission using magnetorheological fluid (MR fluid)DANA CORP·Filed 1998·Granted Jul 18, 2000·10 cites·20 claims
- 3246US6280613B1Hydraulic medium filtering for a motor vehicle limited slip differentialDANA CORP·Filed 1999·Granted Aug 28, 2001·11 cites·17 claims
- 3340US2005261101A1Torque coupling differential assembly with torque disconnectYOSHIOKA JUN·Filed 2004·Application pending·0 cites
- 3434US2007241890A1Torque measurement systemYOSHIOKA JUN·Filed 2006·Application pending·0 cites
- 3524US10274394B2Fluid path inspection device and fluid path inspection methodTAKASHIN CO LTD·Filed 2015·Granted Apr 30, 2019·0 cites·12 claims
- 3619US2017264112A1Charging systemTAKASHIN CO LTD·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →