Inventor · disambiguated record

Joung Kook Seo

Also filed as: SEO JOUNG KOOK

0 granted patents·1 pending application·0 citations·filing 2019–2019

Technology areasH03G

Files withCATCHFLOW CO LTD1

Top patents by PatentIndex Score

1 record

0143US2022007108A1Method for improving sound quality of super-directional ultrasonic speaker device, and ultrasonic speaker device having sameCATCHFLOW CO LTD·Filed 2019·Application pending·0 cites

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