Inventor · disambiguated record
Masashi Aikawa
Also filed as: AIKAWA MASASHI
23 granted patents·1 pending application·458 citations·filing 2001–2025
96Inventor score
Files withTOCHIGI FUJI SANGYO KK7MAZDA MOTOR6GKN AUTOMOTIVE LTD4GKN DRIVELINE JAPAN LTD3GKN DRIVELINE TORQUE TECH KK3
Top patents by PatentIndex Score
24 records- 0195US6945895B2Differential gear mechanismTOCHIGI FUJI SANGYO KK·Filed 2002·Granted Sep 20, 2005·54 cites·15 claims
- 0293US9534663B2Transmission deviceGKN DRIVELINE JAPAN LTD·Filed 2016·Granted Jan 3, 2017·7 cites·7 claims
- 0393USD760136SMotor vehicleMAZDA MOTOR·Filed 2014·Granted Jun 28, 2016·62 cites·1 claims
- 0493US7223191B2Power transmission system and operation method thereofTOCHIGI FUJI SANGYO KK·Filed 2006·Granted May 29, 2007·27 cites·4 claims
- 0593US7074150B2Differential gear mechanismMIYOSHI & MIYOSHI·Filed 2005·Granted Jul 11, 2006·22 cites·16 claims
- 0691US7086978B2Power transmission system and operation method thereforTOCHIGI FUJI SANGYO KK·Filed 2004·Granted Aug 8, 2006·45 cites·2 claims
- 0791US6770005B2Power transmission system and operation method thereforTOCHIGI FUJI SANGYO KK·Filed 2001·Granted Aug 3, 2004·78 cites·4 claims
- 0887US10479199B2Disconnectable power transfer unitGKN DRIVELINE JAPAN LTD·Filed 2018·Granted Nov 19, 2019·6 cites·7 claims
- 0984USD711785SMotor vehicleMAZDA MOTOR·Filed 2013·Granted Aug 26, 2014·26 cites·1 claims
- 1084US6966863B2ActuatorTOCHIGI FUJI SANGYO KK·Filed 2003·Granted Nov 22, 2005·29 cites·32 claims
- 1183US11815171B2Differential deviceGKN AUTOMOTIVE LTD·Filed 2022·Granted Nov 14, 2023·1 cites·20 claims
- 1283US6959799B2Actuator and intermissive power transmission device therewithTOCHIGI FUJI SANGYO KK·Filed 2003·Granted Nov 1, 2005·25 cites·16 claims
- 1382US2025334173A1Sub-assembly for e-axleGKN AUTOMOTIVE LTD·Filed 2025·Application pending·0 cites
- 1479US10828977B2Power transmission deviceGKN DRIVELINE JAPAN LTD·Filed 2018·Granted Nov 10, 2020·2 cites·7 claims
- 1577US6827661B2Clutch system and differential with sameTOCHIGI FUJI SANGYO KK·Filed 2003·Granted Dec 7, 2004·17 cites·13 claims
- 1676US7990004B2Reduction drive deviceGKN DRIVELINE TORQUE TECH KK·Filed 2006·Granted Aug 2, 2011·13 cites·14 claims
- 1775US12372146B1Sub-assembly for e-axleGKN AUTOMOTIVE LTD·Filed 2024·Granted Jul 29, 2025·0 cites·11 claims
- 1873USD745446SBumper for motor vehicleMAZDA MOTOR·Filed 2014·Granted Dec 15, 2015·18 cites·1 claims
- 1968USD573511SMotor vehicleMAZDA MOTOR·Filed 2007·Granted Jul 22, 2008·15 cites·1 claims
- 2064US11207966B2Power transmission deviceGKN AUTOMOTIVE LTD·Filed 2020·Granted Dec 28, 2021·0 cites·5 claims
- 2160US7592890B2Magnetic-path member, electromagnetic coupling device using magnetic-path member, and method of manufacturing magnetic-path memberGKN DRIVELINE TORQUE TECH KK·Filed 2005·Granted Sep 22, 2009·2 cites·4 claims
- 2249USD524704SBumper of motor vehicleMAZDA MOTOR·Filed 2004·Granted Jul 11, 2006·7 cites·1 claims
- 2344US7870941B2Friction engaging deviceGKN DRIVELINE TORQUE TECH KK·Filed 2005·Granted Jan 18, 2011·0 cites·14 claims
- 2435USD570749SBumper of motor vehicleMAZDA MOTOR·Filed 2007·Granted Jun 10, 2008·2 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →