Yang; Chang Ho
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yang; Chang Ho.The latest application filed is for "multiple variable valve lift apparatus and engine provided with the same".
- Yang; Chang Ho - Osan-si KR
- Yang; Chang Ho - Whasung-Si KR
| Patent | Date |
|---|---|
| Multiple variable valve lift apparatus and engine provided with the same Grant 9,074,499 - Woo , et al. July 7, 2 | 2015-07-07 |
| Multiple Variable Valve Lift Apparatus And Engine Provided With The Same App 20140165940 - WOO; Soo Hyung ; et al. | 2014-06-19 |
| Variable valve lift apparatus Grant 8,726,861 - Choi , et al. May 20, 2 | 2014-05-20 |
| Hydraulic pressure valve apparatus Grant 8,573,168 - Yang , et al. November 5, 2 | 2013-11-05 |
| Variable compression ratio apparatus Grant 8,555,829 - Lee , et al. October 15, 2 | 2013-10-15 |
| Hydraulic Pressure Valve Apparatus App 20120280162 - YANG; Jei Choon ; et al. | 2012-11-08 |
| Variable Compression Ratio Apparatus App 20120125297 - Lee; Dong Seok ; et al. | 2012-05-24 |
| Variable Valve Lift Apparatus App 20120079999 - Yang; Chang Ho ; et al. | 2012-04-05 |
| Variable Valve Lift Apparatus App 20120048219 - Choi; Byong Young ; et al. | 2012-03-01 |
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