Issued Patents 2011
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8074612 | Variable compression ratio apparatus | Min Sig Shin, Myung Rae Cho, Hong Wook Lee, Woo Tae Kim, Won Gyu Kim | 2011-12-13 |
| 8049396 | Piezoelectric ultrasonic motor and method of manufacturing the same | Sung Hyuk Park, Ji-hyuk Lim | 2011-11-01 |
| 7985055 | Dual rotor oil pump of an engine with balance weight arrangement | Min Sig Shin, Myung Rae Cho, Hong Wook Lee, Wootae Kim | 2011-07-26 |
| 7977207 | MEMS device and fabrication method of the same | Hee-moon Jeong, Yong-hwa Park, Jun-o Kim, Seok-mo Chang | 2011-07-12 |
| 7946834 | Balance shaft module equipped with oil pump | Myung Rae Cho, Woo Tae Kim, Hong Wook Lee, Min Sig Shin | 2011-05-24 |
| 7880571 | Two-axis driving electromagnetic micro-actuator | Young-chul Ko, Woo Hyek Choi, Hee-moon Jung | 2011-02-01 |