Inventor · disambiguated record
Yu Yokoyama
Also filed as: YOKOYAMA YU
11 granted patents·2 pending applications·35 citations·filing 1994–2021
83Inventor score
Files withTOYOTA MOTOR CO LTD6COORSTEK KK3MITSUBISHI MOTORS CORP2DENSO CORP1DORYOKURO KAKUNENRYO KIAHATSU1
Top patents by PatentIndex Score
13 records- 0185US6971379B2Combustion chamber structure in an internal combustion engineMITSUBISHI MOTORS CORP·Filed 2004·Granted Dec 6, 2005·25 cites·8 claims
- 0275US10001037B2Variable valve mechanismTOYOTA MOTOR CO LTD·Filed 2016·Granted Jun 19, 2018·1 cites·5 claims
- 0367US7124723B2Valve mechanism for internal combustion engineMITSUBISHI MOTORS CORP·Filed 2005·Granted Oct 24, 2006·4 cites·7 claims
- 0459US9945272B2Variable valve actuation apparatus for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2016·Granted Apr 17, 2018·0 cites·5 claims
- 0551US10309274B2Variable valve mechanism for engineTOYOTA MOTOR CO LTD·Filed 2017·Granted Jun 4, 2019·0 cites·5 claims
- 0651US10294827B2Variable valve mechanism for engineTOYOTA MOTOR CO LTD·Filed 2017·Granted May 21, 2019·0 cites·7 claims
- 0750US2023335692A1Silica member and led deviceCOORSTEK KK·Filed 2021·Application pending·0 cites
- 0847US11072555B2Glass memberCOORSTEK KK·Filed 2019·Granted Jul 27, 2021·0 cites·7 claims
- 0943US10041383B2Variable valve mechanismTOYOTA MOTOR CO LTD·Filed 2016·Granted Aug 7, 2018·0 cites·5 claims
- 1043US10018082B2Variable valve mechanismTOYOTA MOTOR CO LTD·Filed 2016·Granted Jul 10, 2018·0 cites·4 claims
- 1142US2019074416A1Silica glass member, process for producing the same, and process for bonding ceramic and silica glassCOORSTEK KK·Filed 2018·Application pending·0 cites
- 1237US10060305B2Variable valve timing apparatusDENSO CORP·Filed 2016·Granted Aug 28, 2018·0 cites·16 claims
- 1320US5464512AMethod of uranium isotope enrichment by utilizing a photochemically selective effectDORYOKURO KAKUNENRYO KIAHATSU·Filed 1994·Granted Nov 7, 1995·5 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →