Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11977447 | Storage device, operating method for the same and memory system | Yun-Ho Youm, Jae Sung Yoo | 2024-05-07 |
| 11867675 | Nanocomposite comprising two-dimensional nano thin films formed on AU nanoparticle surface and method for manufacturing same | Kyu-hyoung LEE, Changhyun Jin | 2024-01-09 |
| 11685665 | Method for preparing sea urchin-shaped zinc oxide nanowire | Kyu-hyoung LEE, Changhyun Jin | 2023-06-27 |
| 11522714 | User apparatus using block chain, block chain system including the same and product information managing method thereof | — | 2022-12-06 |
| 11143065 | Electro-mechanical variable valve mechanism, control unit for variable valve mechanism, electro-mechanical variable valve system and control method thereof | You-Seok Back | 2021-10-12 |
| 11035305 | 2-cycle engine with valve system and method for controlling the engine | In Gee Suh, Woo Tae Kim | 2021-06-15 |
| 11008905 | Variable valve apparatus | You-Seok Back | 2021-05-18 |
| 10794308 | Apparatus and method for controlling deactivation of cylinders in engine | Ki Seon Sim, Gee Wook Shin, Won Gyu Kim, Young Hong Kwak, Kyoung Seok Park | 2020-10-06 |
| 10731519 | Control system and control method for hydraulic variable valve | — | 2020-08-04 |
| 10690049 | Variable compression ratio device | — | 2020-06-23 |
| 10487754 | Variable-compression-ratio engine | — | 2019-11-26 |
| 10443490 | Variable compression ratio engine | — | 2019-10-15 |
| 10344630 | Variable valve control system having common valve and engine system having the same | Young Hong Kwak | 2019-07-09 |
| 10273837 | System for controlling variable valve apparatus and oil control valve for the same | Young Hong Kwak | 2019-04-30 |
| 9890947 | Prediction method for corrosion rate of steam generator tube using eddy current testing | Hee-Sang Shim, Do-Haeng Hur, Deok-hyun Lee | 2018-02-13 |
| 9856790 | Variable compression ratio apparatus | — | 2018-01-02 |
| 9341367 | Tube sheet of steam generator having anticorrosive layer and manufacturing method thereof | Do-Haeng Hur, Deok-hyun Lee, Kyung-Mo Kim, Jung Ho Han | 2016-05-17 |
| 9078037 | Electronic apparatus with a safe conditional access system (CAS) and control method thereof | — | 2015-07-07 |
| 9055339 | System, apparatus, and method for conditional broadcast reception without cablecard | — | 2015-06-09 |
| 8408173 | Electro-hydraulic variable valve lift apparatus | Myung Rae Cho, Hong Wook Lee, Taewon Park, Woo Tae Kim, Eui Chul Choi +1 more | 2013-04-02 |
| 7603757 | Method of manufacturing mold for producing catalyst carriers | — | 2009-10-20 |
| 7242201 | Apparatus and method for detecting state of heat exchanger tube | Deok-hyun Lee, Do-Haeng Hur, Jung Ho Han | 2007-07-10 |
| 6677748 | Method of discriminating through-wall cracks and measuring through-wall length of cracks in nuclear steam generator tubes using eddy current signals | Do-Haeng Hur, Deok-hyun Lee, Jung Ho Han | 2004-01-13 |
| 6648797 | Engine control method for reducing emissions during cold start and idling for vehicle | — | 2003-11-18 |
| 6626141 | Engine oil circulation system and method | — | 2003-09-30 |