Inventor · disambiguated record
Haruyuki Katayama
Also filed as: KATAYAMA HARUYUKI
3 granted patents·3 pending applications·2 citations·filing 2010–2019
50Inventor score
Top patents by PatentIndex Score
6 records- 0166US9221017B2Exhaust gas control apparatus for internal combustion engineNAKANO TAKANORI·Filed 2011·Granted Dec 29, 2015·2 cites·2 claims
- 0249US10890111B2Acoustic insulation system for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2019·Granted Jan 12, 2021·0 cites·5 claims
- 0342US9421496B2Exhaust gas purification apparatus for internal combustion engineNAKANO TAKANORI·Filed 2011·Granted Aug 23, 2016·0 cites·4 claims
- 0436US2011225955A1Exhaust apparatus for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2010·Application pending·0 cites
- 0534US2012096841A1Exhaust device of internal-combustion engineHAYAKAWA TAKESHI·Filed 2010·Application pending·0 cites
- 0628US2013004374A1Exhaust purification system for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →