Cho; Kee-yeong

Patent Applications and Registrations

Patent applications and USPTO patent grants for Cho; Kee-yeong.The latest application filed is for "switching amplifier, sound output device, and audio apparatus using the same".

Company Profile

0.8.12

Cho; Kee-yeong - Seongnam-si KR
CHO; Kee-yeong - Seoul 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
Power supply apparatus and electronic apparatus having the same Grant 10,177,567 - Lee , et al. J	2019-01-08
Switching amplifier, sound output device, and audio apparatus using the same Grant 9,899,972 - Lee , et al. February 20, 2	2018-02-20
Audio output apparatus and method for audio correction Grant 9,681,239 - Lee , et al. June 13, 2	2017-06-13
Audio output apparatus capable of controlling temperature of voice coil and method thereof Grant 9,578,431 - Kim , et al. February 21, 2	2017-02-21
Electronic device and control method thereof Grant 9,413,304 - Lee , et al. August 9, 2	2016-08-09
Apparatus and method for processing audio signal Grant 9,294,855 - Kim , et al. March 22, 2	2016-03-22
Switching Amplifier, Sound Output Device, And Audio Apparatus Using The Same App 20150188502 - LEE; Jae-cheol ; et al.	2015-07-02
Audio Output Apparatus And Method For Audio Correction App 20150117651 - LEE; Jae-cheol ; et al.	2015-04-30
Audio System And Audio Apparatus And Channel Mapping Method Thereof App 20140369505 - LEE; Jae-cheol ; et al.	2014-12-18
Power Supply Apparatus And Electronic Apparatus Having The Same App 20140354060 - LEE; Jae-cheol ; et al.	2014-12-04
Apparatus And Method For Outputting Audio App 20140321656 - KIM; Oan-jin ; et al.	2014-10-30
Sound output device using vacuum tube, audio apparatus and method for sound output thereof Grant 8,841,966 - Lee , et al. September 23, 2	2014-09-23
Apparatus And Method For Processing Audio Signal App 20140185816 - KIM; Jong-woo ; et al.	2014-07-03
Electronic Device And Control Method Thereof App 20140176237 - LEE; Jae-cheol ; et al.	2014-06-26
Docking Station App 20130336510 - LEE; Jae Cheol ; et al.	2013-12-19
Audio Output Apparatus And Method For Outputting Audio App 20130329893 - LEE; Jae-cheol ; et al.	2013-12-12
Sound Output Device Using Vacuum Tube, Audio Apparatus And Method For Sound Output Thereof App 20130027131 - LEE; Jae-cheol ; et al.	2013-01-31
Electronic Device And Method To Control Output Thereof App 20100153743 - CHO; Kee-yeong ; et al.	2010-06-17

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