Inventor · disambiguated record
Tsutomu Hibi
Also filed as: HIBI TSUTOMU
8 granted patents·1 pending application·162 citations·filing 1998–2017
87Inventor score
Top patents by PatentIndex Score
9 records- 0191US5988125AVariable valve actuation apparatus for engineUNISIA JECS CORP·Filed 1998·Granted Nov 23, 1999·58 cites·30 claims
- 0290US6260523B1Variable-valve-actuation apparatus for internal combustion engineUNISIA JECS CORP·Filed 2000·Granted Jul 17, 2001·33 cites·13 claims
- 0386US6305336B1Electromagnetic driving device of engine valve for internal combustion engineUNISIA JECS CORP·Filed 2000·Granted Oct 23, 2001·29 cites·19 claims
- 0474US7552978B2Brake device and controller for the sameHITACHI LTD·Filed 2004·Granted Jun 30, 2009·13 cites·10 claims
- 0566US9482323B2Friction roller reducer and drive unit for electric automobileTANAKA KAZUTAKA·Filed 2012·Granted Nov 1, 2016·3 cites·6 claims
- 0666US6257182B1Electromagnetic drive system for engine valveUNISIA CORP·Filed 1999·Granted Jul 10, 2001·23 cites·17 claims
- 0742US10491084B2Motor deviceJTEKT CORP·Filed 2017·Granted Nov 26, 2019·0 cites·6 claims
- 0839US2014037472A1Electrical pump apparatusHIBI TSUTOMU·Filed 2012·Application pending·0 cites
- 0937US6679209B2Valve timing control apparatus for internal combustion engineHITACHI UNISIA AUTOMOTOVE LTD·Filed 2002·Granted Jan 20, 2004·3 cites·14 claims
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