Inventor · disambiguated record
Ka Ram Han
Also filed as: HAN KA RAM
3 granted patents·1 pending application·1 citations·filing 2012–2024
48Inventor score
Top patents by PatentIndex Score
4 records- 0169US9807038B2Method and system for providing instant messaging serviceKAKAO CORP·Filed 2012·Granted Oct 31, 2017·1 cites·18 claims
- 0256US10305827B2Method and system for providing instant messaging serviceKAKAO CORP·Filed 2017·Granted May 28, 2019·0 cites·20 claims
- 0356US2025146180A1Post-treatment of lithium tantalate single crystal and method for manufacturing lithium tantalate single crystal substrate using the sameKOREA PHOTONICS TECH INST·Filed 2024·Application pending·0 cites
- 0432US9490403B2Color converting element and light emitting device including the samePOSTECH ACADEMY—INDUSTRY FOUND·Filed 2015·Granted Nov 8, 2016·0 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →