Ji; Chang-Hyeon

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ji; Chang-Hyeon.The latest application filed is for "optical probe".

Company Profile

2.18.25

Ji; Chang-Hyeon - Seoul KR
JI; Chang Hyeon - Seocho-gu Seoul
Ji; Chang-Hyeon - Daejeon KR
Ji; Chang Hyeon - Cheongju-si KR
Ji; Chang-Hyeon - 423-061 Kwang-Myung City KR
Ji, Chang-Hyeon - Kwang-Myung City 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
Optical Probe App 20220105360 - Ji; Chang-Hyeon ; et al.	2022-04-07
Artificial Intelligence-based Non-invasive Neural Circuit Control Treatment System And Method For Improving Sleep App 20220023584 - LEE; Hyang Woon ; et al.	2022-01-27
Scanning apparatus Grant 10,551,612 - Ji , et al. Fe	2020-02-04
Scanning Micromirror App 20180017783 - JI; Chang-Hyeon ; et al.	2018-01-18
MEMS microphone with dual-back plate and method of manufacturing the same Grant 9,656,854 - Hur , et al. May 23, 2	2017-05-23
Sliding window having cleaning unit Grant 9,528,317 - Nam , et al. December 27, 2	2016-12-27
Mems Microphone Having Dual Back Plate And Method For Manufacturing Same App 20150129992 - Hur; Shin ; et al.	2015-05-14
Sliding Window Having Cleaning Unit App 20140318015 - Nam; Bo Ra ; et al.	2014-10-30
Member for windows and doors Grant D664,679 - Kim , et al. July 31, 2	2012-07-31
Member for windows and doors Grant D664,678 - Kim , et al. July 31, 2	2012-07-31
Member for windows and doors Grant D664,680 - Kim , et al. July 31, 2	2012-07-31
Member for windows and doors Grant D664,267 - Kim , et al. July 24, 2	2012-07-24
Surface Acoustic Wave Linear Motor, Surface Acoustic Wave Linear Motor Package, And Lens Actuator Adopting The Surface Acoustic Wave Linear Motor Package App 20100090566 - Ji; Chang-Hyeon ; et al.	2010-04-15
Surface acoustic wave linear motor, surface acoustic wave linear motor package, and lens actuator adopting the surface acoustic wave linear motor package Grant 7,626,312 - Ji , et al. December 1, 2	2009-12-01
Variably focusing mirror driven by electromagnetic force and operating method thereof Grant 7,567,396 - Ji July 28, 2	2009-07-28
Scanning device and fabrication method thereof Grant 7,453,617 - Yee , et al. November 18, 2	2008-11-18
Raster scanning display system Grant 7,433,107 - Ji , et al. October 7, 2	2008-10-07
Varifocal Mirror And Camera Module Comprising The Same App 20080225419 - Kim; Sang-Cheon ; et al.	2008-09-18
Lens driving device Grant 7,412,157 - Park , et al. August 12, 2	2008-08-12
Electromagnetic scanning micro-mirror and optical scanning device using the same Grant 7,324,252 - Yee , et al. January 29, 2	2008-01-29
Variably focusing mirror driven by electromagnetic force and operating method thereof App 20060250927 - Ji; Chang-Hyeon	2006-11-09
Small form factor camera module with mechanical iris and shutter App 20060244859 - Ji; Chang-Hyeon ; et al.	2006-11-02
Device for reducing deterioration of image quality in display using laser Grant 7,116,017 - Ji , et al. October 3, 2	2006-10-03
Varifocal mirror and camera module comprising the same App 20060170766 - Kim; Sang-Cheon ; et al.	2006-08-03
Surface acoustic wave linear motor, surface acoustic wave linear motor package, and lens actuator adopting the surface acoustic wave linear motor package App 20060170307 - Ji; Chang-Hyeon ; et al.	2006-08-03
Electromagnetic scanning micro-mirror and optical scanning device using the same App 20060158710 - Yee; Young-Joo ; et al.	2006-07-20
Micro actuator for controlling focal depth Grant 7,079,329 - Yee , et al. July 18, 2	2006-07-18
Scanning micro-mirror package, method for fabricating the same, and optical scanning device employing the same App 20060139713 - Yee; Young-Joo ; et al.	2006-06-29
Micro-actuator, fabrication method thereof, and micro-actuating valve Grant 7,055,797 - Yee , et al. June 6, 2	2006-06-06
Lens driving device App 20060067666 - Park; Jae-Hyoung ; et al.	2006-03-30
Flow control valve and flow control valve apparatus using the same Grant 7,014,165 - Ji , et al. March 21, 2	2006-03-21
Scanning device and fabrication method thereof App 20060039060 - Yee; Young-Joo ; et al.	2006-02-23
Raster scanning display system App 20060039059 - Ji; Chang-Hyeon ; et al.	2006-02-23
Device for reducing deteriroation of image quality in display using laser App 20050195508 - Ji, Chang-Hyeon ; et al.	2005-09-08
Variable optical attenuator App 20050078932 - Yee, Young Joo ; et al.	2005-04-14
Variable optical attenuator App 20050013580 - Yee, Young Joo ; et al.	2005-01-20
Flow control valve and flow control valve apparatus using the same App 20050006612 - Ji, Chang Hyeon ; et al.	2005-01-13
Micro actuator for controlling focal depth App 20040257672 - Yee, Youngjoo ; et al.	2004-12-23
Micro-actuator, fabrication method thereof, and micro-actuating valve App 20040251439 - Yee, Young-Joo ; et al.	2004-12-16
Leak control valve Grant 6,830,064 - Ji December 14, 2	2004-12-14
Optical receiver and optical transmitter using variable optical attenuator, and method for producing variable optical attenuator App 20040114942 - Yee, Young-Joo ; et al.	2004-06-17
Optical switch App 20040091202 - Ji, Chang-Hyeon ; et al.	2004-05-13
Leak control valve App 20030037821 - Ji, Chang-Hyeon	2003-02-27

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