Inventor · disambiguated record
Masao Teraoka
Also filed as: TERAOKA MASAO
90 granted patents·1 pending application·2,019 citations·filing 1978–2021
99Inventor score
Files withTOCHIGI FUJI SANGYO KK73TOCHIGI FUGI SANGYO KABUSHIKI5GKN DRIVELINE TORQUE TECH KK2IKEYA FORMULA CO LTD2COSMO OIL CO LTD1
Top patents by PatentIndex Score
91 records- 0198US4805486ALocking differential gear assemblyTOCHIGI FUJI SANGYO KK·Filed 1987·Granted Feb 21, 1989·177 cites·5 claims
- 0296US5904634ADifferential apparatus with additional speed increasing gear and speed decreasing gear selectively engageable with a single output shaftTOCHIGI FUJI SANGYO KK·Filed 1997·Granted May 18, 1999·77 cites·9 claims
- 0395US5458547ADifferential apparatus with speed and torque sensitive differential limiting forcesTOCHIGI FUJI SANGYO KK·Filed 1993·Granted Oct 17, 1995·75 cites·5 claims
- 0495US5083986ACoupling apparatus with double clutchesTOCHIGI FUJI SANGYO KK·Filed 1990·Granted Jan 28, 1992·69 cites·5 claims
- 0592US6796412B2Differential apparatusTOCHIGI FUJI SANGYO KK·Filed 2002·Granted Sep 28, 2004·38 cites·24 claims
- 0692US4899859APower transmission apparatusTOCHIGI FUJI SANGYO KK·Filed 1988·Granted Feb 13, 1990·39 cites·3 claims
- 0791US6705964B2Power transmission systemJATCO LTD·Filed 2002·Granted Mar 16, 2004·48 cites·13 claims
- 0891US5086867APower transmission apparatusTOCHIGI FUJI SANGYO KK·Filed 1989·Granted Feb 11, 1992·45 cites·1 claims
- 0989US6331103B1Fluid machine having a pair of rotors and a silencerTOCHIGI FUJI SANGYO KK·Filed 1999·Granted Dec 18, 2001·49 cites·9 claims
- 1088US7354374B2Differential unitTOCHIGI FUJI SANGYO KK·Filed 2005·Granted Apr 8, 2008·15 cites·13 claims
- 1187US6698562B2Coupling for vehicleTOCHIGI FUJI SANGYO KK·Filed 2001·Granted Mar 2, 2004·23 cites·10 claims
- 1284US6966863B2ActuatorTOCHIGI FUJI SANGYO KK·Filed 2003·Granted Nov 22, 2005·29 cites·32 claims
- 1383US6959799B2Actuator and intermissive power transmission device therewithTOCHIGI FUJI SANGYO KK·Filed 2003·Granted Nov 1, 2005·25 cites·16 claims
- 1483US6015361ADifferential apparatus with two wheel/four wheel drive switching mechanismTOCHIGI FUJI SANGYO KK·Filed 1997·Granted Jan 18, 2000·42 cites·8 claims
- 1583US5749801ADifferential unitTOCHIGI FUJI SANGYO KK·Filed 1996·Granted May 12, 1998·36 cites·20 claims
- 1683US4735108APower transmission deviceTOCHIGI FUJI SANGYO KK·Filed 1985·Granted Apr 5, 1988·29 cites·3 claims
- 1781US6793603B2Power transmission system with sub transmission mechanismTOCHIGI FUJI SANGYO KK·Filed 2002·Granted Sep 21, 2004·32 cites·13 claims
- 1881US5141088AHub clutch deviceTOCHIGI FUJI SANGYO KK·Filed 1991·Granted Aug 25, 1992·43 cites·6 claims
- 1980US7562947B2Apparatus for controlling driving force of vehicleGKN DRIVELINE TORQUE TECH KK·Filed 2005·Granted Jul 21, 2009·15 cites·5 claims
- 2080US7452299B2Coupling apparatusTOCHIGI FUJI SANGYO KK·Filed 2005·Granted Nov 18, 2008·9 cites·13 claims
- 2180US5709627ADifferential unit with means for mixing air into the hydraulic actuatorTOCHIGI FUJI SANGYO KK·Filed 1996·Granted Jan 20, 1998·31 cites·5 claims
- 2280US5017183APower transmission apparatusTOCHIGIFUJISANGYO KABUSHI KAIS·Filed 1989·Granted May 21, 1991·41 cites·4 claims
- 2379US7464626B2Torque transmission apparatus and case structureTOCHIGI FUJI SANGYO KK·Filed 2007·Granted Dec 16, 2008·9 cites·10 claims
- 2479US5361744ASupercharging device for an internal combustion engineTOCHIGI FUJI SANGYO KK·Filed 1993·Granted Nov 8, 1994·33 cites·5 claims
- 2578US7455612B2Rotatively driving apparatusTOCHIGI FUJI SANGYO KK·Filed 2005·Granted Nov 25, 2008·12 cites·16 claims
- 2678US7216751B2Torque transmission couplingTOCHIGI FUJI SANGYO KK·Filed 2004·Granted May 15, 2007·18 cites·8 claims
- 2778US6837821B2DifferentialTOCHIGI FUJI SANGYO KK·Filed 2003·Granted Jan 4, 2005·22 cites·8 claims
- 2878US5879259ATransmission for an auxiliary deviceTOCHIGI FUJI SANGYO KK·Filed 1997·Granted Mar 9, 1999·29 cites·7 claims
- 2978US5398792AClutch deviceTOCHIGI FUJI SANGYO KK·Filed 1994·Granted Mar 21, 1995·27 cites·9 claims
- 3077US5037362ALimited slip differentialTOCHIGI FUGI SANGYO KABUSHIKI·Filed 1990·Granted Aug 6, 1991·34 cites·4 claims
- 3175US4757727ADifferential device for a power transmission apparatusTOCHIGI FUJI SANGYO KK·Filed 1986·Granted Jul 19, 1988·21 cites·3 claims
- 3274US4782720APower transmission unitTOCHIGI FUJI SANGYO KK·Filed 1987·Granted Nov 8, 1988·25 cites·5 claims
- 3373US5518464ATorque dividerTOCHIGI FUGI SANGYO KABUSHIKI·Filed 1993·Granted May 21, 1996·25 cites·7 claims
- 3473US5378210AGear transmission apparatusTOCHIGI FUJI SANGYO KK·Filed 1992·Granted Jan 3, 1995·24 cites·9 claims
- 3573US4690258AHydraulic power transmission device with centrifugally actuated clutch overrideTOCHIGI FUJI SANGYO KK·Filed 1986·Granted Sep 1, 1987·21 cites·5 claims
- 3671US4782930APower transmission apparatusTOCHIGI FUJI SANGYO KK·Filed 1987·Granted Nov 8, 1988·20 cites·4 claims
- 3770US7296644B2Reduction-drive deviceTOCHIGI FUJI SANGYO KK·Filed 2004·Granted Nov 20, 2007·19 cites·22 claims
- 3870US6076623AFour-wheel drive vehicle power trainTOCHIGI FUJI SANGYO KK·Filed 1997·Granted Jun 20, 2000·39 cites·1 claims
- 3970US5890989ADifferential apparatus for reducing friction and noiseTOCHIGI FUJI SANGYO KK·Filed 1997·Granted Apr 6, 1999·41 cites·10 claims
- 4070US4981192APower transmission apparatusTOCHIGI FUJI SANGYO KK·Filed 1989·Granted Jan 1, 1991·18 cites·3 claims
- 4169US7156771B2Clutch unitTOCHIGI FUJI SANGYO KK·Filed 2004·Granted Jan 2, 2007·18 cites·16 claims
- 4269US4368808AHub clutchTOCHIGI FUJI SANGYO KK·Filed 1980·Granted Jan 18, 1983·17 cites·5 claims
- 4368US10035512B2Transmission and shift control systemIKEYA FORMULA CO LTD·Filed 2015·Granted Jul 31, 2018·1 cites·8 claims
- 4468US7210565B2Torque transmission apparatus and case structureTOCHIGI FUJI SANGYO KK·Filed 2004·Granted May 1, 2007·16 cites·26 claims
- 4568US5749803ADifferential apparatusTOCHIGI FUJI SANGYO KK·Filed 1996·Granted May 12, 1998·21 cites·7 claims
- 4668US5282775APlanetary gear type differential apparatusTOCHIGI FUJI SANGYO KK·Filed 1991·Granted Feb 1, 1994·21 cites·13 claims
- 4767US5209707APlanetary differential assemblyTOCHIGI FUJI SANGYO KK·Filed 1991·Granted May 11, 1993·21 cites·4 claims
- 4867US4762021ATransfer case for four-wheel-drive vehiclesTOCHIGI FUJI SANGYO KK·Filed 1986·Granted Aug 9, 1988·23 cites·4 claims
- 4967US4352418AHub clutchTOCHIGI FUJI SANGYO KK·Filed 1980·Granted Oct 5, 1982·16 cites·6 claims
- 5064US5462035ASupercharging deviceTOCHIGI FUGI SANGYO KABUSHIKI·Filed 1993·Granted Oct 31, 1995·20 cites·4 claims
Showing the top 50 of 91 patent records by PatentIndex Score.
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