Inventor · disambiguated record
Kenichi Hayakawa
Also filed as: HAYAKAWA KENICHI
21 granted patents·5 pending applications·1,221 citations·filing 1989–2019
96Inventor score
Top patents by PatentIndex Score
26 records- 0198US5575291AUltrasonic couplerFUJITSU LTD·Filed 1994·Granted Nov 19, 1996·259 cites·6 claims
- 0296US5882557AMethod of fabricating ultrasonic couplerFUJITSU LTD·Filed 1996·Granted Mar 16, 1999·153 cites·16 claims
- 0392US5174296AUltrasonic probe having a piezoelectrical elementFUJITSU LTD·Filed 1991·Granted Dec 29, 1992·78 cites·24 claims
- 0489US5265614AAcoustic couplerFUJITSU LTD·Filed 1989·Granted Nov 30, 1993·273 cites·19 claims
- 0577US5732790AElectric power steering apparatusNSK LTD·Filed 1995·Granted Mar 31, 1998·44 cites·5 claims
- 0672US7472773B2Electrically driven power steering apparatusNSK LTD·Filed 2007·Granted Jan 6, 2009·8 cites·9 claims
- 0772US6412591B1Electric power steering apparatusNSK LTD·Filed 1999·Granted Jul 2, 2002·33 cites·11 claims
- 0870US6851508B2Motor-operated power steering deviceNSK LTD·Filed 2001·Granted Feb 8, 2005·15 cites·13 claims
- 0969US5758649AUltrasonic module and ultrasonic diagnostic systemFUJITSU LTD·Filed 1996·Granted Jun 2, 1998·168 cites·38 claims
- 1068US7219761B2Motor-operated power steering apparatusNSK LTD·Filed 2004·Granted May 22, 2007·18 cites·8 claims
- 1155US5967985AUltrasonic diagnostic apparatusFUJITSU LTD·Filed 1997·Granted Oct 19, 1999·60 cites·12 claims
- 1246US2013153477A1Liquid waste treatment apparatusSUZUKI SHOGO·Filed 2012·Application pending·0 cites
- 1345US9260330B2Fluid purifying apparatusHAYAKAWA KENICHI·Filed 2013·Granted Feb 16, 2016·0 cites·10 claims
- 1445US6146329AUltrasonic diagnostic apparatusFUJITSU LTD·Filed 1999·Granted Nov 14, 2000·33 cites·12 claims
- 1544US10619039B2Polypropylene resin composition and use thereofPRIME POLYMER CO LTD·Filed 2013·Granted Apr 14, 2020·0 cites·6 claims
- 1644US6221016B1Ultrasonic diagnostic apparatusFUJITSU LTD·Filed 1999·Granted Apr 24, 2001·30 cites·12 claims
- 1742US5641908AUltrasonic diagnostic apparatusFUJITSU LTD·Filed 1995·Granted Jun 24, 1997·18 cites·11 claims
- 1842US2014151277A1Fluid purification systemAOKI KIMIO·Filed 2013·Application pending·0 cites
- 1939US11047292B2Ignition device and internal combustion engineHAYAKAWA KENICHI·Filed 2019·Granted Jun 29, 2021·0 cites·16 claims
- 2037US10087093B2Fluid treatment apparatusMUTOH TOSHIYUKI·Filed 2015·Granted Oct 2, 2018·0 cites·9 claims
- 2137US5232498AApparatus for applying gel to an ultrasonic probeFUJITSU LTD·Filed 1990·Granted Aug 3, 1993·6 cites·16 claims
- 2237US2016290685A1Heat storage and release unit, chemical heat pump, and non-electrified cooling unitAMAN YASUTOMO·Filed 2016·Application pending·0 cites
- 2337US2015368129A1Fluid treatment apparatusZAMA YUU·Filed 2015·Application pending·0 cites
- 2436US5167234AUltrasonic probe having rotary refracting memberFUJITSU LTD·Filed 1991·Granted Dec 1, 1992·7 cites·34 claims
- 2536US2016264436A1Fluid treatment apparatusHAYAKAWA KENICHI·Filed 2016·Application pending·0 cites
- 2635US5855558AUltrasonic probe and ultrasonic diagnostic apparatusFUJITSU LTD·Filed 1997·Granted Jan 5, 1999·18 cites·8 claims
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