Inventor · disambiguated record
Chang-Heon Song
Also filed as: SONG CHANG-HEON
2 granted patents·0 citations·filing 2013–2014
22Inventor score
Files withKOREA INST IND TECH2
Top patents by PatentIndex Score
2 records- 0148US10041861B2Apparatus and method for testing drilling efficiency of drill bitKOREA INST IND TECH·Filed 2014·Granted Aug 7, 2018·0 cites·3 claims
- 0237US10006252B2Drill bit including button array having different radii extending from center of head sectionKOREA INST IND TECH·Filed 2013·Granted Jun 26, 2018·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →