Yoo; Chul-Jae

Patent Applications and Registrations

Patent applications and USPTO patent grants for Yoo; Chul-Jae.The latest application filed is for "in-ear microphone".

Company Profile

1.6.8

Yoo; Chul-Jae - Sungnam KR
Yoo; Chul Jae - Seongnam-si KR
Yoo; Chul Jae - 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.
Trademarks

Patent Activity

Patent	Date
Audio apparatus and audio output port Grant 10,368,171 - Yoo , et al. July 30, 2	2019-07-30
Pulse area modulation method and pulse area modulator using thereof Grant 9,985,623 - Lee , et al. May 29, 2	2018-05-29
In-ear Microphone App 20180098159 - Yoo; Chul Jae ; et al.	2018-04-05
Audio Apparatus And Audio Output Port App 20170374467 - Yoo; Chul-Jae ; et al.	2017-12-28
Audio Output Controlling Method Based On Orientation Of Audio Output Apparatus And Audio Output Apparatus For Controlling Audio Output Based On Orientation Thereof App 20170289723 - YOO; Chul Jae ; et al.	2017-10-05
Pulse Area Modulation Method And Pulse Area Modulator Using Thereof App 20160182030 - LEE; Woo Suk ; et al.	2016-06-23
Apparatus and method for generating audio signal having sound enhancement effect Grant 9,076,452 - Yoo July 7, 2	2015-07-07
Apparatus and method for reducing digital noise of audio signal Grant 9,076,425 - Yoo July 7, 2	2015-07-07
Apparatus And Method For Reducing Digital Noise Of Audio Signal App 20130216059 - YOO; Chul Jae	2013-08-22
Apparatus And Method For Generating Audio Signal Having Sound Enhancement Effect App 20120140938 - Yoo; Chul Jae	2012-06-07
Digital video recording apparatus and method Grant 7,657,156 - Yoo February 2, 2	2010-02-02
Method and apparatus for arithmatic operation of processor App 20060161613 - Yoo; Chul Jae	2006-07-20
Digital video recording apparatus and method App 20060147182 - Yoo; Chul Jae	2006-07-06

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