Choi; Chang Auck

Patent Applications and Registrations

Patent applications and USPTO patent grants for Choi; Chang Auck.The latest application filed is for "pressure sensor and method for fabricating the same".

Company Profile

0.43.47

Choi; Chang Auck - Daejeon KR
Choi; Chang Auck - Daejeon-shi N/A KR
Choi; Chang-Auck - Daejeon-city KR
Choi; Chang-Auck - Daejon KR
Choi; Chang Auck - Daejon-Shi KR
Choi; Chang Auck - Yuseong-gu KR
Choi; Chang-Auck - Taejon 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
Pressure sensor and a method for manufacturing the same Grant 10,113,928 - Je , et al. October 30, 2	2018-10-30
Pressure Sensor And Method For Fabricating The Same App 20170241853 - JE; Chang Han ; et al.	2017-08-24
High resolution circuit for converting capacitance-to-time deviation Grant 8,638,110 - Lee , et al. January 28, 2	2014-01-28
Apparatus for preventing stiction of MEMS microstructure Grant 8,613,287 - Je , et al. December 24, 2	2013-12-24
Tunable-wavelength optical filter and method of manufacturing the same Grant RE44,356 - Choi , et al. July 9, 2	2013-07-09
Circuit for calculating a three-dimensional inclination angle Grant 8,359,758 - Lee , et al. January 29, 2	2013-01-29
Micro piezoresistive pressure sensor and manufacturing method thereof Grant 8,261,617 - Choi , et al. September 11, 2	2012-09-11
High-sensitivity z-axis vibration sensor and method of fabricating the same Grant 8,263,426 - Ko , et al. September 11, 2	2012-09-11
Resistive material for bolometer, bolometer for infrared detector using the material, and method of manufacturing the bolometer Grant 8,143,579 - Yang , et al. March 27, 2	2012-03-27
Capacitive accelerometer Grant 8,113,054 - Je , et al. February 14, 2	2012-02-14
Humidity sensor and method of manufacturing the same Grant 8,047,074 - Jun , et al. November 1, 2	2011-11-01
MEMS package and packaging method thereof Grant 8,035,176 - Jung , et al. October 11, 2	2011-10-11
Bidirectional readout circuit for detecting direction and amplitude of capacitive MEMS accelerometers Grant 7,997,137 - Lee , et al. August 16, 2	2011-08-16
Circuit For Calculating A Three-dimensional Inclination Angle App 20110192040 - Lee; Sung Sik ; et al.	2011-08-11
Apparatus For Preventing Stiction Of Mems Microstructure App 20110186089 - Je; Chang Han ; et al.	2011-08-04
Micromachined sensor for measuring vibration Grant 7,975,550 - Lee , et al. July 12, 2	2011-07-12
Loop type micro heat transport device Grant 7,971,633 - Moon , et al. July 5, 2	2011-07-05
Method For Depositing Amorphous Silicon Thin Film By Chemical Vapor Deposition App 20110159669 - Yang; Woo Seok ; et al.	2011-06-30
High Resolution Circuit For Converting Capacitance-to-time Deviation App 20110133758 - Lee; Sung Sik ; et al.	2011-06-09
Programmable mask and method of fabricating biomolecule array using the same Grant 7,948,564 - Jung , et al. May 24, 2	2011-05-24
Infrared detection sensor and method of fabricating the same Grant 7,928,388 - Cho , et al. April 19, 2	2011-04-19
Resistive Material For Bolometer, Bolometer For Infrared Detector Using The Material, And Method Of Manufacturing The Bolometer App 20110049366 - Yang; Woo Seok ; et al.	2011-03-03
Infrared Detection Sensor And Method Of Fabricating The Same App 20110042569 - CHO; Seong Mok ; et al.	2011-02-24
Microbolometer with improved mechanical stability and method of manufacturing the same Grant 7,884,328 - Cho , et al. February 8, 2	2011-02-08
Micro Piezoresistive Pressure Sensor And Manufacturing Method Thereof App 20100251826 - Choi; Chang Auck ; et al.	2010-10-07
Method of fabricating micro-vertical structure Grant 7,745,308 - Lee , et al. June 29, 2	2010-06-29
Infrared Sensor And Method Of Fabricating The Same App 20100155601 - Cho; Seong Mok ; et al.	2010-06-24
Humidity Sensor And Method Of Manufacturing The Same App 20100147070 - JUN; Chi Hoon ; et al.	2010-06-17
Bolometer Structure, Infrared Detection Pixel Employing Bolometer Structure, And Method Of Fabricating Infrared Detection Pixel App 20100148067 - CHEON; Sang Hoon ; et al.	2010-06-17
High-sensitivity Z-axis Vibration Sensor And Method Of Fabricating The Same App 20100132467 - Ko; Sang Choon ; et al.	2010-06-03
Resistive materials for microbolometer, method for preparation of resistive materials and microbolometer containing the resistive materials Grant 7,696,478 - Ryu , et al. April 13, 2	2010-04-13
Capacitive Accelerometer App 20100050771 - Je; Chang-Han ; et al.	2010-03-04
Multilayer-structured bolometer and method of fabricating the same Grant 7,667,202 - Cheon , et al. February 23, 2	2010-02-23
Method Of Fabricating Micro-vertical Structure App 20100009514 - LEE; Myung Lae ; et al.	2010-01-14
Micromachined Sensor For Measuring Vibration App 20090320595 - LEE; Myung Lae ; et al.	2009-12-31
Vertical Acceleration Measuring Apparatus App 20090308160 - Je; Chang Han ; et al.	2009-12-17
Microbolometer With Improved Mechanical Stability And Method Of Manufacturing The Same App 20090152466 - Cho; Seong Mok ; et al.	2009-06-18
Multilayer-structured Bolometer And Method Of Fabricating The Same App 20090152467 - Cheon; Sang Hoon ; et al.	2009-06-18
Resistive Materials For Microbolometer, Method For Preparation Of Resistive Materials And Microbolometer Containing The Resistive Materials App 20090146058 - RYU; Ho Jun ; et al.	2009-06-11
Bolometer And Method Of Manufacturing The Same App 20090140148 - Yang; Woo Seok ; et al.	2009-06-04
Bidirectional Readout Circuit For Detecting Direction And Amplitude Of Capacitive Mems Accelerometers App 20090056448 - LEE; Sung Sik ; et al.	2009-03-05
Affinity Chromatography Microdevice and Method for Manufacturing the Same App 20080286153 - Lee; Dae-Sik ; et al.	2008-11-20
Programmable mask and method of fabricating biomolecule array using the same App 20080273128 - Jung; Moon Youn ; et al.	2008-11-06
Flat Plate-Type Heat Pipe App 20080185128 - Moon; Seok Hwan ; et al.	2008-08-07
Programmable mask and method of fabricating biomolecule array using the same Grant 7,403,236 - Jung , et al. July 22, 2	2008-07-22
Apparatus for controlling fluid-heating using polymer disk Grant 7,398,015 - Chung , et al. July 8, 2	2008-07-08
Tunable-wavelength optical filter and method of manufacturing the same Grant 7,393,793 - Choi , et al. July 1, 2	2008-07-01
Nucleic acid nanostructure and method of manufacturing the same App 20070275394 - Shin; Dong Ho ; et al.	2007-11-29
Loop Type Micro Heat Transport Device App 20070256814 - Moon; Seok Hwan ; et al.	2007-11-08
Personal portable content player with aroma function and method thereof App 20070134196 - Park; Se Ho ; et al.	2007-06-14
Wavelength tunable optical filter Grant 7,209,608 - Kim , et al. April 24, 2	2007-04-24
Electronic nose sensor array, sensor system including the same, method of manufacturing the same, and analysis method using the sensor system App 20070028667 - Kim; Yong Shin ; et al.	2007-02-08
Communication apparatus and method using human body as medium Grant 7,171,177 - Park , et al. January 30, 2	2007-01-30
Wavelength tunable filter capable of being bidirectionally driven by electromagnetic forces Grant 7,167,612 - Kim , et al. January 23, 2	2007-01-23
Tunable-wavelength optical filter and method of manufacturing the same Grant 7,163,872 - Choi , et al. January 16, 2	2007-01-16
Tunable-wavelength optical filter and method of manufacturing the same App 20060285209 - Choi; Chang Auck ; et al.	2006-12-21
Thermally actuated wavelength tunable optical filter Grant 7,116,863 - Kim , et al. October 3, 2	2006-10-03
Apparatus for controlling fluid-heating using polymer disk App 20060127070 - Chung; Kwang Hyo ; et al.	2006-06-15
Tunable-wavelength optical filter and method of manufacturing the same Grant 7,012,752 - Choi , et al. March 14, 2	2006-03-14
Communication apparatus and method using human body as medium App 20060052056 - Park; Duck Gun ; et al.	2006-03-09
Communication system using near field and method thereof App 20060045118 - Hyoung; Chang Hee ; et al.	2006-03-02
Programmable mask and method of fabricating biomolecule array using the same App 20060030030 - Jung; Moon Youn ; et al.	2006-02-09
Variable optical attenuator with tunable wavelength selectivity Grant 6,947,656 - Kim , et al. September 20, 2	2005-09-20
Variable optical attenuator with tunable wavelength selectivity App 20050191025 - Kim, Chang-Kyu ; et al.	2005-09-01
Multi-step landing micro-mirror, method for manufacturing the same and multi-step landing micro-mirror array Grant 6,922,270 - Jung , et al. July 26, 2	2005-07-26
Tunable-wavelength optical filter and method of manufacturing the same App 20050157392 - Choi, Chang Auck ; et al.	2005-07-21
Wavelength tunable optical filter App 20050135736 - Kim, Chang Kyu ; et al.	2005-06-23
Microelectrode, microelectrode array and method for manufacturing the microelectrode Grant 6,896,780 - Yang , et al. May 24, 2	2005-05-24
Thermally actuated wavelength tunable optical filter App 20050105849 - Kim, Chang Kyu ; et al.	2005-05-19
Scanning micromirror for optical communication systems and method of manufacturing the same Grant 6,822,776 - Hah , et al. November 23, 2	2004-11-23
Wavelength tunable filter capable of being bidirectionally driven by electromagnetic forces App 20040228575 - Kim, Chang Kyu ; et al.	2004-11-18
Stiction-free microstructure releasing method for fabricating MEMS device Grant 6,806,205 - Jang , et al. October 19, 2	2004-10-19
Optical tunable filters and optical communication device incorporated therein optical tunable filters Grant 6,798,940 - Lee , et al. September 28, 2	2004-09-28
Multi-step landing micro-mirror, method for manufacturing the same and multi-step landing micro-mirror array App 20040130767 - Jung, Moon Youn ; et al.	2004-07-08
Tunable-wavelength optical filter and method of manufacturing the same App 20040109250 - Choi, Chang Auck ; et al.	2004-06-10
Variable optical attenuator with tunable wavelength selectivity App 20040096177 - Kim, Chang-Kyu ; et al.	2004-05-20
Scanning micromirror for optical communication systems and method of manufacturing the same App 20040032634 - Hah, Doo-Young ; et al.	2004-02-19
Method of fabricating microchannel array structure embedded in silicon substrate Grant 6,582,987 - Jun , et al. June 24, 2	2003-06-24
Microelectrode, microelectrode array and method for manufacturing the microelectrode App 20030047450 - Yang, Hae Sik ; et al.	2003-03-13
Microchannel array structure embedded in silicon substrate and its fabrication method App 20020084510 - Jun, Chi Hoon ; et al.	2002-07-04
Thermally driven micro-pump buried in a silicon substrate and method for fabricating the same App 20020081866 - Choi, Chang-Auck ; et al.	2002-06-27
Optical tunable filters and optical communication device incorporated therein optical tunable filters App 20020081073 - Lee, Myung-Lae ; et al.	2002-06-27
Stiction-free microstructure releasing method for fabricating MEMS device App 20020058422 - Jang, Won-Ick ; et al.	2002-05-16
Method for forming micro cavity Grant 6,342,427 - Choi , et al. January 29, 2	2002-01-29
Fine inductor having 3-dimensional coil structure and method for producing the same Grant 6,292,084 - Choi , et al. September 18, 2	2001-09-18
Method of fabricating vacuum micro-structure Grant 6,225,145 - Choi , et al. May 1, 2	2001-05-01

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