Chang; Ju-Hee

Patent Applications and Registrations

Patent applications and USPTO patent grants for Chang; Ju-Hee.The latest application filed is for "audio accessory and audio output method".

Company Profile

1.16.13

Chang; Ju-Hee - Gyeonggi-do KR
CHANG; Ju-Hee - Seongnam-si 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
Audio accessory and audio output method Grant 10,187,726 - Chang , et al. Ja	2019-01-22
Mobile terminal without microphone hole Grant 9,838,517 - Chang , et al. December 5, 2	2017-12-05
Active noise cancellation in audio output device Grant 9,741,334 - Park , et al. August 22, 2	2017-08-22
Audio Accessory And Audio Output Method App 20170150270 - CHANG; Ju-Hee ; et al.	2017-05-25
Apparatus and method for outputting audio signal in portable terminal Grant 9,497,531 - Chang November 15, 2	2016-11-15
Active Noise Cancellation In Audio Output Device App 20160240185 - PARK; Cheol Yong ; et al.	2016-08-18
Mobile Terminal Without Microphone Hole App 20150326699 - CHANG; Ju-Hee ; et al.	2015-11-12
Mobile device for multi-channel sound collection and output using common connector, and driving method thereof Grant 9,179,218 - Jeong , et al. November 3, 2	2015-11-03
Method and apparatus for processing audio signal in a mobile communication terminal Grant 8,914,281 - Yoon , et al. December 16, 2	2014-12-16
Apparatus And Method For Outputting Audio Signal In Portable Terminal App 20140241542 - CHANG; Ju-Hee	2014-08-28
Apparatus and method for outputting an audio signal in a portable terminal Grant 8,724,826 - Chang May 13, 2	2014-05-13
Electronic Device And Method For Estimating Quality Of Speech Signal App 20140129215 - CHOI; Nak-Jin ; et al.	2014-05-08
Structure for electronically connecting between two devices Grant 8,568,154 - Chang , et al. October 29, 2	2013-10-29
Speaker module of portable terminal and method of execution of speakerphone mode using the same Grant 8,412,285 - Chang April 2, 2	2013-04-02
Mobile Device For Multi-channel Sound Collection And Output Using Common Connector, And Driving Method Thereof App 20130064381 - JEONG; Sung-Hoon ; et al.	2013-03-14
Apparatus and method for reducing cross-talk between audio channels in a mobile terminal Grant 8,369,813 - Jeong , et al. February 5, 2	2013-02-05
Mobile Terminal Without Microphone Hole App 20120270610 - CHANG; Ju-Hee ; et al.	2012-10-25
Method And Apparatus For Processing Audio Signal In A Mobile Communication Terminal App 20120084083 - YOON; Gun-Hyun ; et al.	2012-04-05
Speaker Module Of Portable Terminal And Method Of Execution Of Speakerphone Mode Using The Same App 20110124379 - CHANG; Ju-Hee	2011-05-26
Structure For Electronically Connecting Between Two Devices App 20110104941 - CHANG; Ju-Hee ; et al.	2011-05-05
Apparatus And Method For Reducing Cross-talk Between Audio Channels In A Mobile Terminal App 20110045775 - JEONG; Sung-Hoon ; et al.	2011-02-24
Apparatus And Method For Outputing Audio Signal In Portable Terminal App 20100310097 - CHANG; Ju-Hee	2010-12-09

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