Inventor · disambiguated record
Chang-Kwon Hwangbo
Also filed as: HWANGBO CHANG KWON
4 granted patents·1 pending application·7 citations·filing 2008–2025
64Inventor score
Top patents by PatentIndex Score
5 records- 0168US8953238B2High-speed optical modulator and method of modulating light by using the sameKIM JI-DEOG·Filed 2010·Granted Feb 10, 2015·2 cites·7 claims
- 0262US9638941B2Photonic crystal type light modulator and 3D image acquisition apparatus employing the sameYOU JANG-WOO·Filed 2011·Granted May 2, 2017·1 cites·16 claims
- 0361US7927767B2Reflective photomasks and methods of determining layer thicknesses of the sameSAMSUNG ELECTRONICS CO LTD·Filed 2008·Granted Apr 19, 2011·4 cites·20 claims
- 0456US2025389869A1Optical filter, sensor system comprising same, and method for manufacturing halogenated amorphous silicon thin film for optical filterSONG YOUNG JIN·Filed 2025·Application pending·0 cites
- 0540US12372688B2Optical filter and sensor system comprising the same, and method for preparing halogenated amorphous silicon thin film for optical filterSONG YOUNG JIN·Filed 2020·Granted Jul 29, 2025·0 cites·11 claims
Join the waitlist — get patent alerts
Get an alert when Chang-Kwon Hwangbo 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 →