Inventor · disambiguated record
O Chang Kwon
Also filed as: KWON O CHANG
5 granted patents·4 pending applications·0 citations·filing 2017–2025
58Inventor score
Top patents by PatentIndex Score
9 records- 0161US2025304394A1Apparatus and method for supplying roll-type materialSK ON CO LTD·Filed 2025·Application pending·0 cites
- 0260US11551655B2Sound absorption structure and method of manufacturing the sameKOREA INST SCI & TECH·Filed 2019·Granted Jan 10, 2023·0 cites·13 claims
- 0350US10914045B2Hydrophilic material oil fence having double-porous meshKOREA INST SCI & TECH·Filed 2019·Granted Feb 9, 2021·0 cites·7 claims
- 0450US2019161368A1Spilled oil collecting apparatus and methodKOREA INST SCI & TECH·Filed 2018·Application pending·0 cites
- 0548US10933354B2Rotating type foreign substance collection equipmentKOREA INST SCI & TECH·Filed 2018·Granted Mar 2, 2021·0 cites·5 claims
- 0647US10400409B2Oil collecting apparatus and oil collecting system having the sameKOREA INST SCI & TECH·Filed 2017·Granted Sep 3, 2019·0 cites·18 claims
- 0745US2019257050A1Fence having hydrophilic materialKOREA INST SCI & TECH·Filed 2018·Application pending·0 cites
- 0843US10774491B2Oil fence with oil filtration membraneKOREA INST SCI & TECH·Filed 2017·Granted Sep 15, 2020·0 cites·3 claims
- 0943US2018339451A1Nozzle for three-dimensional (3d) printer including eccentric discharge port and 3d printer including nozzleKOREA INST SCI & TECH·Filed 2018·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →