Cho; Leeg Hyun

Patent Applications and Registrations

Patent applications and USPTO patent grants for Cho; Leeg Hyun.The latest application filed is for "flat speaker driven by a single permanent magnet and one or more voice coils".

Company Profile

6.5.6

Cho; Leeg Hyun - Yongin-si KR
Cho; Leeg Hyun - Gyeonggi-do KR

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Flat speaker driven by a single permanent magnet and one or more voice coils Grant 11,310,604 - Cho , et al. April 19, 2	2022-04-19
Flat Speaker Driven By A Single Permanent Magnet And One Or More Voice Coils App 20220070589 - Cho; Leeg Hyun ; et al.	2022-03-03
Multi-range Speaker Containing Multiple Diaphragms App 20210392429 - CHO; Leeg Hyun ; et al.	2021-12-16
Multi-range speaker containing multiple diaphragms Grant 11,134,333 - Cho , et al. September 28, 2	2021-09-28
Multi-diaphragm Speaker Driven By Multiple Voice Coil Plates And A Shared Permanent Magnet Pair App 20210227330 - CHO; Leeg Hyun ; et al.	2021-07-22
Multi-diaphragm speaker driven by multiple voice coil plates and a shared permanent magnet pair Grant 11,044,562 - Cho , et al. June 22, 2	2021-06-22
Thin speaker with curved or angled structure Grant 10,999,673 - Cho , et al. May 4, 2	2021-05-04
Bidirectional Speaker Using Bar Magnets App 20200275189 - Cho; Leeg Hyun ; et al.	2020-08-27
Thin Speaker With Curved Or Angled Structure App 20200275213 - CHO; Leeg Hyun ; et al.	2020-08-27
Multi-range Speaker Containing Multiple Diaphragms App 20200275190 - Cho; Leeg Hyun ; et al.	2020-08-27
Bidirectional speaker using bar magnets Grant 10,743,097 - Cho , et al. A	2020-08-11

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