Inventor · disambiguated record
Noriyoshi Urushiwara
Also filed as: URUSHIWARA NORIYOSHI
15 granted patents·1 pending application·173 citations·filing 1988–2018
93Inventor score
Files withHITACHI LTD15
Top patents by PatentIndex Score
16 records- 0183US4893215AElectronic circuit apparatus of automobileHITACHI LTD·Filed 1988·Granted Jan 9, 1990·64 cites·7 claims
- 0275US5581131AElectronic distributor ignition device for internal combustion enginesHITACHI LTD·Filed 1993·Granted Dec 3, 1996·19 cites·23 claims
- 0374US7208816B2Electronic circuit device and manufacturing method thereofHITACHI LTD·Filed 2003·Granted Apr 24, 2007·18 cites·1 claims
- 0471US11211881B2Power conversion device and electric railroad vehicle equipped with power conversion deviceHITACHI LTD·Filed 2018·Granted Dec 28, 2021·2 cites·10 claims
- 0571US7453138B2Electronic circuit device and manufacturing method thereofHITACHI LTD·Filed 2007·Granted Nov 18, 2008·4 cites·5 claims
- 0667US5193514AInduction discharge type ignition device for an internal combustion engineHITACHI LTD·Filed 1991·Granted Mar 16, 1993·16 cites·12 claims
- 0759US7207314B2Control circuit module, intake air passage body, engine electronic control device, and engine air intake system provided with the sameHITACHI LTD·Filed 2005·Granted Apr 24, 2007·2 cites·22 claims
- 0857US6892699B2Throttle body and air intake equipment for internal combustion engineHITACHI LTD·Filed 2003·Granted May 17, 2005·9 cites·13 claims
- 0954US6046584AInternal combustion engine rotating position detector using a differential signal from magnetic sensing portionsHITACHI LTD·Filed 1997·Granted Apr 4, 2000·12 cites·4 claims
- 1049US7047939B2Control circuit module, intake air passage body, engine electronic control device, and engine air intake system provided with the sameHITACHI LTD·Filed 2002·Granted May 23, 2006·5 cites·11 claims
- 1143US4854292AIgnition system for internal combustion engineHITACHI LTD·Filed 1988·Granted Aug 8, 1989·5 cites·6 claims
- 1242US5282452AElectronic distributorHITACHI LTD·Filed 1992·Granted Feb 1, 1994·5 cites·23 claims
- 1340US5284124AIgnition system for internal combustion engineHITACHI LTD·Filed 1992·Granted Feb 8, 1994·8 cites·5 claims
- 1439US5033445AElectronic distribution type ignition systemHITACHI LTD·Filed 1990·Granted Jul 23, 1991·4 cites·9 claims
- 1538US2004212965A1Electronic circuit apparatus and method of manufacturing the sameFiled 2004·Application pending·0 cites
- 1635US7230320B2Electronic circuit device with reduced breaking and crackingHITACHI LTD·Filed 2003·Granted Jun 12, 2007·0 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →