Inventor · disambiguated record
Takayuki Ichikawa
Also filed as: ICHIKAWA TAKAYUKI
15 granted patents·4 pending applications·24 citations·filing 2006–2020
88Inventor score
Top patents by PatentIndex Score
19 records- 0191USD944860SGeneral purpose engineKUBOTA KK·Filed 2020·Granted Mar 1, 2022·3 cites·1 claims
- 0274US9140361B2Multi-piece oil ringTAKAHASHI JUNICHI·Filed 2012·Granted Sep 22, 2015·3 cites·20 claims
- 0368US8460834B2Hydrogen production method, hydrogen production system, and fuel cell systemTANGE KYOICHI·Filed 2008·Granted Jun 11, 2013·2 cites·18 claims
- 0467US7537748B2Hydrogen storage matter and manufacturing method and apparatus for the sameNAT UNIVERSITY CORP HIROSHIMA·Filed 2006·Granted May 26, 2009·6 cites·22 claims
- 0562US8033359B2Intake sound adjusting deviceROKI CO LTD·Filed 2010·Granted Oct 11, 2011·2 cites·8 claims
- 0656US8026001B2Activation method for lithium hydride, and hydrogen generation methodTOYOTA MOTOR CO LTD·Filed 2009·Granted Sep 27, 2011·0 cites·5 claims
- 0755US9217400B2Intake apparatusKOIKE Michiko·Filed 2012·Granted Dec 22, 2015·2 cites·4 claims
- 0853US10352446B2Combined oil control ringKK RIKEN·Filed 2015·Granted Jul 16, 2019·0 cites·10 claims
- 0953USD849796SGeneral purpose engineKUBOTA KK·Filed 2017·Granted May 28, 2019·6 cites·1 claims
- 1050US11203957B2Head cover for engineKUBOTA KK·Filed 2020·Granted Dec 21, 2021·0 cites·19 claims
- 1148US10920650B2Vertical multicylinder straight engineKUBOTA KK·Filed 2018·Granted Feb 16, 2021·0 cites·20 claims
- 1246US10923780B2High pressure type hydride secondary batteryTOYOTA MOTOR CO LTD·Filed 2017·Granted Feb 16, 2021·0 cites·7 claims
- 1346US10247306B2Combined oil control ringKK RIKEN·Filed 2016·Granted Apr 2, 2019·0 cites·6 claims
- 1446US2010135898A1Method for producing metal hydrideTAIHEIYO CEMENT CORP·Filed 2008·Application pending·0 cites
- 1543US2008230306A1Muffle chamber ductTOYO ROKI SEIZO KK·Filed 2008·Application pending·0 cites
- 1643US2013022887A1Method for Generating Hydrogen, Method for Utilizing Hydrogen and Electric Generating SystemSOPHIA SCHOOL CORP·Filed 2012·Application pending·0 cites
- 1739US9931623B2Method for producing metal nanoparticle complex, and metal nanoparticle complex produced by said methodUNIV HIROSHIMA·Filed 2013·Granted Apr 3, 2018·0 cites·6 claims
- 1838US2016076443A1Engine coverROKI CO LTD·Filed 2015·Application pending·0 cites
- 1929USD969169SGeneral purpose engineKUBOTA KK·Filed 2018·Granted Nov 8, 2022·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →