Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11740159 | Measuring method and system for determining piston movement within engine | Chang Ju Kim, Ju-Kyeong Kim, Sang Jae Lee | 2023-08-29 |
| 8528509 | Variable valve lift apparatus | Hosung Cho, Jin Gyu Yang, Hong Wook Lee, Seong Hyuk Kang, Taewon Park +6 more | 2013-09-10 |
| 8505372 | Cam target wheel for vehicle | Hong Wook Lee, Sang-Hee Lee | 2013-08-13 |
| 8468985 | Electro-hydraulic variable valve lift apparatus | Hosung Cho, Jin Gyu Yang, Hong Wook Lee, Duk-Jin Park, Seong Hyuk Kang +8 more | 2013-06-25 |
| 8408173 | Electro-hydraulic variable valve lift apparatus | Hong Wook Lee, Taewon Park, Woo Tae Kim, Myung-Sik Choi, Eui Chul Choi +1 more | 2013-04-02 |
| 8166930 | Variable compression ratio apparatus | Hong Wook Lee, Woo Tae Kim, Won Gyu Kim, Jin-woo Cho | 2012-05-01 |
| 8074612 | Variable compression ratio apparatus | Min Sig Shin, Hong Wook Lee, Woo Tae Kim, Won Gyu Kim, Jin-woo Cho | 2011-12-13 |
| 7985055 | Dual rotor oil pump of an engine with balance weight arrangement | Min Sig Shin, Hong Wook Lee, Wootae Kim, Jin-woo Cho | 2011-07-26 |
| 7946834 | Balance shaft module equipped with oil pump | Jin-woo Cho, Woo Tae Kim, Hong Wook Lee, Min Sig Shin | 2011-05-24 |