Inventor · disambiguated record
Chang Ho Ham
Also filed as: HAM CHANG HO
12 granted patents·2 pending applications·31 citations·filing 2011–2017
86Inventor score
Top patents by PatentIndex Score
14 records- 0189US9879641B2Heater control apparatus and heater control method of fuel filter for vehicleHYUNDAI MOTOR CO LTD·Filed 2015·Granted Jan 30, 2018·6 cites·5 claims
- 0286US9315098B2Urea solution venting system for vehicleHYUNDAI MOTOR CO LTD·Filed 2014·Granted Apr 19, 2016·9 cites·11 claims
- 0374US9644518B2Urea filler neck and urea tank for prevention of urea overflow and urea after-treatment system with outside filler neckHYUNDAI MOTOR CO LTD·Filed 2014·Granted May 9, 2017·7 cites·8 claims
- 0474US9604158B2Separator for separating fluid and SCR urea injection system using the sameHYUNDAI MOTOR CO LTD·Filed 2014·Granted Mar 28, 2017·3 cites·4 claims
- 0567US10864868B2Tube-holding device for vehicleHYUNDAI MOTOR CO LTD·Filed 2017·Granted Dec 15, 2020·2 cites·5 claims
- 0664US9874127B2Urea injection device for selective catalyst reduction deviceHYUNDAI MOTOR CO LTD·Filed 2014·Granted Jan 23, 2018·3 cites·13 claims
- 0759US10544750B2Control device for recognizing fuel type, a fuel pump control system having the same, and a method thereofHYUNDAI MOTOR CO LTD·Filed 2017·Granted Jan 28, 2020·0 cites·20 claims
- 0857US10006421B2Fuel filter for diesel engineHYUNDAI MOTOR CO LTD·Filed 2015·Granted Jun 26, 2018·1 cites·11 claims
- 0953US9745923B2Fuel filter heating deviceHYUNDAI MOTOR CO LTD·Filed 2015·Granted Aug 29, 2017·0 cites·9 claims
- 1050US9376122B2Urea solution after-treatment system, and method and controller for warning of urea solution state using touchHYUNDAI MOTOR CO LTD·Filed 2014·Granted Jun 28, 2016·0 cites·22 claims
- 1142US10562758B2Valve apparatus of urea tank for vehicleHYUNDAI MOTOR CO LTD·Filed 2016·Granted Feb 18, 2020·0 cites·7 claims
- 1239US9810181B2Heater device of diesel fuel filterHYUNDAI MOTOR CO LTD·Filed 2015·Granted Nov 7, 2017·0 cites·8 claims
- 1339US2014060496A1System and Method for Controlling LPG Pump and Fuel Supplying System of LPI Engine Using ThereofHYUNDAI MOTOR CO LTD·Filed 2012·Application pending·0 cites
- 1438US2013071268A1Pump structure for urea scr systemRYOO DONG MYOUNG·Filed 2011·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Chang Ho Ham files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →