Issued Patents All Time
Showing 51–68 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10519818 | Valve duration control apparatus and engine provided with the same | Kyoung Pyo Ha, You Sang Son | 2019-12-31 |
| 10309273 | Variable valve duration/variable valve lift system and engine provided with the same | — | 2019-06-04 |
| 10174645 | Variable valve duration system and engine provided with the same | Kyoung Pyo Ha, You Sang Son | 2019-01-08 |
| 10138767 | Continuous variable valve duration apparatus and engine provided with the same | — | 2018-11-27 |
| 10087854 | Continuous variable duration system and engine provided with the same | — | 2018-10-02 |
| 9964007 | Variable valve duration/variable valve lift system and engine provided with the same | Seock Joong Yoon | 2018-05-08 |
| 9885262 | Continuous variable valve duration apparatus and engine provided with the continuous variable valve duration apparatus | — | 2018-02-06 |
| 9494727 | Light-condensing film having superior anti-adhesion performance and superior moiré prevention effects, backlight unit comprising same, and display device comprising the backlight unit | Soo-Hee Jung, Sang Choll Han | 2016-11-15 |
| 9447713 | Engine brake apparatus with rocker arm integrated actuator | Seock Joong Yoon, Min-Hui Yu | 2016-09-20 |
| 9341367 | Tube sheet of steam generator having anticorrosive layer and manufacturing method thereof | Do-Haeng Hur, Myung-Sik Choi, Deok-hyun Lee, Jung Ho Han | 2016-05-17 |
| 9038587 | Variable valve lift device | Seock Joong Yoon | 2015-05-26 |
| 8979462 | Substrate-processing apparatus and method of transferring substrate in the same | Sang-Seok Hong | 2015-03-17 |
| 8602000 | Engine brake unit | Seock Joong Yoon | 2013-12-10 |
| 8499740 | Engine braking system for vehicles | Seock Joong Yoon | 2013-08-06 |
| 8434451 | Engine brake unit having combined oil passage | Seock Joong Yoon | 2013-05-07 |
| 8319907 | Condensing film for LCD backlight unit | Kwang-Seung Park, Jin Hyun Kim, Sang Choll Han | 2012-11-27 |
| 8134781 | Optical film and manufacturing process thereof | Sang Choll Han, Kwang-Seung Park, Won-Young Jo, Jin Hyun Kim | 2012-03-13 |
| 7630025 | Anisotropic diffusion sheet | Kwang-Seung Park, Jang-Hoon Lee, Hyung-Ju Ahn, Sang Choll Han | 2009-12-08 |