Inventor · disambiguated record
Tamotsu Todo
Also filed as: TODO TAMOTSU
16 granted patents·2 pending applications·208 citations·filing 1990–2017
93Inventor score
Files withUNISIA JECS CORP5HITACHI AUTOMOTIVE SYSTEMS LTD4HITACHI UNISIA AUTOMOTIVE LTD3ATSUGI UNISIA CORP2HITACHI LTD2
Top patents by PatentIndex Score
18 records- 0193US6502537B2Valve timing control device of internal combustion engineUNISIA JECS CORP·Filed 2002·Granted Jan 7, 2003·45 cites·25 claims
- 0284US6805081B2Valve timing control device for internal combustion engineHITACHI UNISIA AUTOMOTIVE LTD·Filed 2003·Granted Oct 19, 2004·26 cites·18 claims
- 0381US6520132B2Valve timing control system of internal combustion engineUNISIA JECS CORP·Filed 2002·Granted Feb 18, 2003·21 cites·14 claims
- 0480US7171931B2Variable valve system with control shaft actuating mechanismHITACHI LTD·Filed 2006·Granted Feb 6, 2007·6 cites·6 claims
- 0580US6032643ADecompression engine brake device of automotive internal combustion engineUNISIA JECS CORP·Filed 1998·Granted Mar 7, 2000·34 cites·14 claims
- 0674US6263843B1Valve timing control device of internal combustion engineUNISIA JECS CORP·Filed 1999·Granted Jul 24, 2001·27 cites·26 claims
- 0770US7032551B2Adjusting mechanism adjusting method of valve-lift amount of internal combustion engineNISSAN MOTOR·Filed 2005·Granted Apr 25, 2006·4 cites·7 claims
- 0869US5203290AIntake and/or exhaust-valve timing control sytem for internal combustion engineATSUGI UNISIA CORP·Filed 1992·Granted Apr 20, 1993·27 cites·6 claims
- 0968US7077086B2Variable valve system with control shaft actuating mechanismHITACHI LTD·Filed 2005·Granted Jul 18, 2006·3 cites·19 claims
- 1064US9068626B2Balancer device of internal combustion engineHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2014·Granted Jun 30, 2015·2 cites·10 claims
- 1150US6672264B2Valve timing control device of internal combustion engineHITACHI UNISIA AUTOMOTIVE LTD·Filed 2002·Granted Jan 6, 2004·4 cites·20 claims
- 1243US5918367AMethod of producing valve lifterUNISIA JECS CORP·Filed 1997·Granted Jul 6, 1999·8 cites·7 claims
- 1342US2014060474A1Engine BalancerHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2013·Application pending·0 cites
- 1440US2019048936A1Balancer device and balancer device for internal combustion engineHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2017·Application pending·0 cites
- 1537US7055477B2Valve actuation apparatus for internal combustion engine and method of adjusting lift thereofNISSAN MOTOR·Filed 2004·Granted Jun 6, 2006·0 cites·19 claims
- 1635US9816582B2Balancer device for internal combustion engineHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2015·Granted Nov 14, 2017·0 cites·18 claims
- 1732US6672265B2Valve timing control system for internal combustion engineHITACHI UNISIA AUTOMOTIVE LTD·Filed 2002·Granted Jan 6, 2004·0 cites·10 claims
- 1829US5070981AFluid couplingATSUGI UNISIA CORP·Filed 1990·Granted Dec 10, 1991·1 cites·36 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →