Inventor · disambiguated record
Han Ok Choi
Also filed as: CHOI HAN OK
3 granted patents·33 citations·filing 2008–2011
70Inventor score
Technology areasE02F
Top patents by PatentIndex Score
3 records- 0183US9249812B2Hydraulic circuit for pipe layerJEON MAN-SEUK·Filed 2011·Granted Feb 2, 2016·14 cites·4 claims
- 0266US8424301B2Hydraulic flow sharing system for excavating and pipe laying workCHOI HAN OK·Filed 2009·Granted Apr 23, 2013·10 cites·7 claims
- 0366US7753382B2Hydraulic system for leveling apparatus in excavator and forestry equipmentVOLVO CONSTR EQUIP HOLDING SE·Filed 2008·Granted Jul 13, 2010·9 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Han Ok Choi 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 →