Choi; Byong Young
Patent Applications and Registrations
Patent applications and USPTO patent grants for Choi; Byong Young.The latest application filed is for "multiple variable valve lift apparatus".
Company Profile
2.46.45
- Choi; Byong Young - Bucheon-si KR
- Choi; Byong Young - Whasung-Si KR
- Choi; Byong Young - Bucheon KR
- Choi; Byong Young - Gyeonggi-Do KR
- Choi; Byong Young - Incheon N/A KR
- Choi; Byong Young - Incheon-si N/A KR
- - Bucheon-si KR
Patent Activity
| Patent | Date |
|---|---|
| Multiple variable valve lift apparatus Grant 10,077,690 - Choi September 18, 2 | 2018-09-18 |
| Multiple variable valve lift apparatus Grant 9,945,273 - Choi April 17, 2 | 2018-04-17 |
| Multiple variable valve lift apparatus Grant 9,869,253 - Choi , et al. January 16, 2 | 2018-01-16 |
| Engine system Grant 9,845,737 - Choi December 19, 2 | 2017-12-19 |
| Multiple variable valve lift apparatus Grant 9,816,406 - Choi November 14, 2 | 2017-11-14 |
| Engine system Grant 9,784,177 - Choi , et al. October 10, 2 | 2017-10-10 |
| Engine for performing CDA Grant 9,732,679 - Choi August 15, 2 | 2017-08-15 |
| Mutiple Variable Valve Lift Appratus App 20170152773 - CHOI; Byong Young | 2017-06-01 |
| Multiple Variable Valve Lift Apparatus App 20170152772 - CHOI; Byong Young ; et al. | 2017-06-01 |
| Multiple Variable Valve Lift Apparatus App 20170152770 - CHOI; Byong Young | 2017-06-01 |
| Engine System App 20160369709 - CHOI; Byong Young | 2016-12-22 |
| Multiple Variable Valve Lift Apparatus App 20160363011 - CHOI; Byong Young | 2016-12-15 |
| Control apparatus of engine having variable valve lift apparatus and a method thereof Grant 9,476,331 - Choi October 25, 2 | 2016-10-25 |
| Engine System App 20160108860 - Choi; Byong Young ; et al. | 2016-04-21 |
| Engine For Performing Cda App 20160090921 - CHOI; Byong Young | 2016-03-31 |
| Multistage variable valve lift apparatus, system and engine Grant 9,267,402 - Woo , et al. February 23, 2 | 2016-02-23 |
| Design Method Of Short Duration Cam, Short Duration Cam, Variable Valve Lift Apparatus Including The Same, And Design Method Of Cam App 20150345342 - CHOI; Byong Young ; et al. | 2015-12-03 |
| Multiple variable valve lift apparatus Grant 9,140,147 - Woo , et al. September 22, 2 | 2015-09-22 |
| Oil control valve and variable valve lift system provided with the same Grant 9,115,652 - Choi , et al. August 25, 2 | 2015-08-25 |
| Multiple variable valve lift apparatus and engine provided with the same Grant 9,074,499 - Woo , et al. July 7, 2 | 2015-07-07 |
| Control Apparatus Of Engine Having Variable Valve Lift Apparatus And A Method Thereof App 20150176444 - CHOI; Byong Young | 2015-06-25 |
| Multiple variable valve lift apparatus Grant 9,057,293 - Choi , et al. June 16, 2 | 2015-06-16 |
| Multiple variable valve lift apparatus Grant 9,010,290 - Choi , et al. April 21, 2 | 2015-04-21 |
| Controlling Method For Flame Jet Ignition Engine App 20150105998 - LEE; Won Jun ; et al. | 2015-04-16 |
| Connecting Structure Of Multiple Variable Valve Lift Apparatus App 20150101552 - Choi; Byong Young | 2015-04-16 |
| Connecting structure of multiple variable valve lift apparatus Grant 9,004,031 - Choi April 14, 2 | 2015-04-14 |
| Multiple Variable Valve Lift Apparatus App 20150068473 - CHOI; Byong Young ; et al. | 2015-03-12 |
| Multiple Variable Valve Lift Apparatus App 20150059676 - CHOI; Byong Young ; et al. | 2015-03-05 |
| Multiple Variable Valve Lift Apparatus App 20150059675 - CHOI; Byong Young ; et al. | 2015-03-05 |
| Cylinder air volume difference adjuster and continuous variable valve lifter including the same Grant 8,910,601 - Choi , et al. December 16, 2 | 2014-12-16 |
| Variable valve lift apparatus Grant 8,899,196 - Choi , et al. December 2, 2 | 2014-12-02 |
| Electro-hydraulic variable valve lift apparatus Grant 8,899,195 - Woo , et al. December 2, 2 | 2014-12-02 |
| Flame Jet Ignition Engine App 20140331960 - LEE; Won Jun ; et al. | 2014-11-13 |
| Multistage Variable Valve Lift Apparatus, System And Engine App 20140261267 - WOO; Soo Hyung ; et al. | 2014-09-18 |
| Multiple Variable Valve Lift Apparatus App 20140251250 - Woo; Soo Hyung ; et al. | 2014-09-11 |
| Variable valve lift apparatus Grant 8,807,101 - Choi , et al. August 19, 2 | 2014-08-19 |
| Variable Valve Lift Apparatus App 20140182531 - Choi; Byong Young ; et al. | 2014-07-03 |
| Multiple Variable Valve Lift Apparatus And Engine Provided With The Same App 20140165940 - WOO; Soo Hyung ; et al. | 2014-06-19 |
| Variable Cycle Engine App 20140158067 - Woo; Soo Hyung ; et al. | 2014-06-12 |
| Variable valve lift apparatus Grant 8,726,861 - Choi , et al. May 20, 2 | 2014-05-20 |
| Pre-chamber Structure For Piston Engine App 20140109865 - LEE; Wonjun ; et al. | 2014-04-24 |
| Cylinder Air Volume Difference Adjuster And Continuous Variable Valve Lifter Including The Same App 20140090616 - CHOI; Byong Young ; et al. | 2014-04-03 |
| Electro-hydraulic Variable Valve Lift Apparatus App 20140041605 - Woo; Soo Hyung ; et al. | 2014-02-13 |
| Electro-hydraulic variable valve lift apparatus Grant 8,646,422 - Choi , et al. February 11, 2 | 2014-02-11 |
| Electric continuous variable valve timing apparatus Grant 08616166 - | 2013-12-31 |
| Electric continuous variable valve timing apparatus Grant 8,616,166 - Yang , et al. December 31, 2 | 2013-12-31 |
| Electro-hydraulic variable valve lift system Grant 8,607,751 - Yang , et al. December 17, 2 | 2013-12-17 |
| Electro-hydraulic variable valve lift apparatus Grant 8,596,234 - Choi , et al. December 3, 2 | 2013-12-03 |
| Hydraulic pressure valve apparatus Grant 8,573,168 - Yang , et al. November 5, 2 | 2013-11-05 |
| Continuously variable valve timing apparatus Grant 8,468,990 - Yang , et al. June 25, 2 | 2013-06-25 |
| Variable compression ratio apparatus Grant 8,468,984 - Lee , et al. June 25, 2 | 2013-06-25 |
| Variable valve timing apparatus Grant 8,464,676 - Yang , et al. June 18, 2 | 2013-06-18 |
| Variable valve lift apparatus Grant 8,464,677 - Choi , et al. June 18, 2 | 2013-06-18 |
| Electro-hydraulic Variable Valve Lift System App 20130146002 - Yang; Jei Choon ; et al. | 2013-06-13 |
| Electric Continuous Variable Valve Timing Apparatus App 20120298059 - YANG; Jei Choon ; et al. | 2012-11-29 |
| Oil Control Valve And Variable Valve Lift System Provided With The Same App 20120291889 - CHOI; Byong Young ; et al. | 2012-11-22 |
| Variable tappet Grant 8,312,852 - Yang , et al. November 20, 2 | 2012-11-20 |
| Hydraulic Pressure Valve Apparatus App 20120280162 - YANG; Jei Choon ; et al. | 2012-11-08 |
| Continuously variable valve lift device for vehicle Grant 8,291,875 - Yang , et al. October 23, 2 | 2012-10-23 |
| Continuously variable valve lift device of engine Grant 8,245,676 - Yang , et al. August 21, 2 | 2012-08-21 |
| Variable Valve Timing Apparatus App 20120137996 - Yang; Jei Choon ; et al. | 2012-06-07 |
| Hydraulic Variable Valve Lift Apparatus App 20120118251 - Choi; Byong Young ; et al. | 2012-05-17 |
| Multi-cylinder engine Grant 8,176,891 - Choi May 15, 2 | 2012-05-15 |
| Continuously Variable Valve Timing Apparatus App 20120111292 - Yang; Jei Choon ; et al. | 2012-05-10 |
| Variable Valve Lift Apparatus App 20120097878 - Choi; Byong Young ; et al. | 2012-04-26 |
| Variable Valve Lift Apparatus App 20120079999 - Yang; Chang Ho ; et al. | 2012-04-05 |
| Variable Valve Lift Apparatus App 20120060783 - Woo; Soo Hyung ; et al. | 2012-03-15 |
| Electro-hydraulic Variable Valve Lift Apparatus App 20120048222 - CHOI; Byong Young ; et al. | 2012-03-01 |
| Variable Valve Lift Apparatus App 20120048219 - Choi; Byong Young ; et al. | 2012-03-01 |
| Electro-hydraulic Variable Valve Lift Apparatus App 20120042840 - Choi; Byong Young ; et al. | 2012-02-23 |
| Variable Compression Ratio Apparatus App 20120012090 - Lee; Ju Hun ; et al. | 2012-01-19 |
| Variable Valve Lift Apparatus App 20110271922 - Choi; Byong Young ; et al. | 2011-11-10 |
| Variable Valve Lift Apparatus App 20110272612 - Choi; Byong-Young ; et al. | 2011-11-10 |
| Variable Tappet App 20110132305 - Yang; Jei Choon ; et al. | 2011-06-09 |
| Continuously Variable Valve Lift Device For Vehicle App 20110036317 - Yang; Jei Choon ; et al. | 2011-02-17 |
| Continuously Variable Valve Lift Device Of Engine App 20110036318 - Yang; Jei Choon ; et al. | 2011-02-17 |
| Variable valve timing apparatus and control method for the same Grant 7,819,098 - Choi October 26, 2 | 2010-10-26 |
| Multi-Cylinder Engine App 20090314248 - CHOI; Byong Young | 2009-12-24 |
| Variable Valve Timing Apparatus And Control Method For The Same App 20090126663 - Choi; Byong Young | 2009-05-21 |
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