Lim; Chang-sik

Patent Applications and Registrations

Patent applications and USPTO patent grants for Lim; Chang-sik.The latest application filed is for "semiconductor device and fabricating method thereof".

Company Profile

0.23.17

Lim; Chang-sik - Cheongju-si N/A KR
Lim; Chang-sik - Bucheon-si N/A KR
Lim; Chang Sik - Chungbuk KR
Lim; Chang Sik - Icheon-si KR
Lim; Chang Sik - Seoul KR
Lim; Chang Sik - Jincheon-gun KR
Lim; Chang-sik - Kwangmyeong-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
PWM signal generating circuit for DC-DC converter using dimming signal and LED driving circuit having the same in direct digital dimming method Grant 9,596,723 - Ryu , et al. March 14, 2	2017-03-14
LED driver apparatus Grant 9,532,432 - Lee , et al. December 27, 2	2016-12-27
PWM signal generating circuit for DC-DC converter using dimming signal and LED driver circuit using the same in digital PWM method having fixed phase mode Grant 9,173,260 - Ryu , et al. October 27, 2	2015-10-27
Semiconductor device and fabricating method thereof Grant 9,024,381 - Cho , et al. May 5, 2	2015-05-05
PWM controlling circuit and LED driver circuit having the same Grant 8,941,327 - Ryu , et al. January 27, 2	2015-01-27
LED driver apparatus Grant 8,860,320 - Kang , et al. October 14, 2	2014-10-14
Reference voltage generating circuit and LED driver circuit having the same therein Grant 8,686,652 - Shin , et al. April 1, 2	2014-04-01
Vacuum pump for vehicles Grant 8,651,829 - Lim , et al. February 18, 2	2014-02-18
PWM controlling circuit and LED driver circuit having the same Grant 8,643,289 - Ryu , et al. February 4, 2	2014-02-04
Circuit and method for generating PWM signal for DC-DC converter using dimming signal and LED driving circuit for backlight having the same Grant 8,581,511 - Kim , et al. November 12, 2	2013-11-12
Semiconductor Device And Fabricating Method Thereof App 20130161742 - CHO; Moon-soo ; et al.	2013-06-27
Led Driver Apparatus App 20130147382 - Lee; Wan-jik ; et al.	2013-06-13
Led Driver Apparatus App 20130049614 - Kang; Tae-kyoung ; et al.	2013-02-28
Actuator in turbocharger of vehicle and method for controlling the same Grant 8,337,143 - Lim , et al. December 25, 2	2012-12-25
Actuator For Vehicle App 20120255379 - Lim; Chang Sik ; et al.	2012-10-11
Exhaust gas recirculation valve in vehicle Grant 8,281,771 - Lim , et al. October 9, 2	2012-10-09
Pwm Controlling Circuit And Led Driver Circuit Having The Same App 20120212142 - Ryu; Beom-seon ; et al.	2012-08-23
Pwm Controlling Circuit And Led Driver Circuit Having The Same App 20120212141 - Ryu; Beom-seon ; et al.	2012-08-23
Reference Voltage Generating Circuit And Led Driver Circuit Having The Same Therein App 20120153848 - Shin; Du-su ; et al.	2012-06-21
Pwm Signal Generating Circuit For Dc-dc Converter Using Dimming Signal And Led Driving Circuit Having The Same In Direct Digital Dimming Method App 20120112655 - Ryu; Beom-seon ; et al.	2012-05-10
Pwm Signal Generating Circuit For Dc-dc Converter Using Dimming Signal And Led Driver Circuit Using The Same In Digital Pwm Method Having Fixed Phase Mode App 20120112656 - Ryu; Beom-seon ; et al.	2012-05-10
Circuit And Method For Generating Pwm Signal For Dc-dc Converter Using Dimming Signal And Led Driving Circuit For Backlight Having The Same App 20110227502 - Kim; Eung-suen ; et al.	2011-09-22
Exhaust Gas Recirculation Valve In Vehicle App 20110197863 - LIM; Chang Sik ; et al.	2011-08-18
Exhaust gas recirculation valve for vehicle Grant 7,971,578 - Lim , et al. July 5, 2	2011-07-05
Vacuum Pump For Vehicles App 20100319798 - LIM; Chang Sik ; et al.	2010-12-23
Actuator In Turbocharger Of Vehicle And Method For Controlling The Same App 20100124488 - LIM; Chang Sik ; et al.	2010-05-20
Exhaust Gas Recirculation Valve For Vehicle App 20100031938 - LIM; Chang Sik ; et al.	2010-02-11
Hysteresis system with constant threshold voltage Grant 5,614,857 - Lim , et al. March 25, 1	1997-03-25

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