Inventor · disambiguated record
Yukinobu Hasegawa
Also filed as: HASEGAWA YUKINOBU
11 granted patents·1 pending application·422 citations·filing 1986–2016
89Inventor score
Files withNGK SPARK PLUG CO6NIPPON CARBIDE KOGYO KK4HASEGAWA YUKINOBU1NIPPON CARBIDE KOYO KABUSHIKI1
Top patents by PatentIndex Score
12 records- 0196US4996127AToner for developing an electrostatically charged imageNIPPON CARBIDE KOGYO KK·Filed 1988·Granted Feb 26, 1991·217 cites·20 claims
- 0294US4797339AToner for developing electrostatic imagesNIPPON CARBIDE KOYO KABUSHIKI·Filed 1986·Granted Jan 10, 1989·172 cites·19 claims
- 0387US9236715B2Spark plug and method of manufacturing spark plugNGK SPARK PLUG CO·Filed 2014·Granted Jan 12, 2016·5 cites·19 claims
- 0481US8796909B2Igniter plug with cooling fluid and method of manufacturing igniter plugHASEGAWA YUKINOBU·Filed 2012·Granted Aug 5, 2014·5 cites·10 claims
- 0575US10270227B2Ignition plugNGK SPARK PLUG CO·Filed 2016·Granted Apr 23, 2019·1 cites·18 claims
- 0662US9172215B2Spark plug having center electrode tip of varying widthsNGK SPARK PLUG CO·Filed 2013·Granted Oct 27, 2015·1 cites·14 claims
- 0754US5591556AToners for developing electrostatic imageNIPPON CARBIDE KOGYO KK·Filed 1994·Granted Jan 7, 1997·10 cites·9 claims
- 0852US5695899AColored toner for developing electrostatic imagesNIPPON CARBIDE KOGYO KK·Filed 1997·Granted Dec 9, 1997·9 cites·12 claims
- 0947US9343877B2Spark plug and manufacturing method thereofNGK SPARK PLUG CO·Filed 2014·Granted May 17, 2016·0 cites·6 claims
- 1044US9160146B2Spark plugNGK SPARK PLUG CO·Filed 2014·Granted Oct 13, 2015·0 cites·9 claims
- 1135US2018351331A1Spark plugNGK SPARK PLUG CO·Filed 2016·Application pending·0 cites
- 1232US5683849AColored toner for developing electrostatic imagesNIPPON CARBIDE KOGYO KK·Filed 1996·Granted Nov 4, 1997·2 cites·10 claims
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