Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9364933 | Jig for Winston cone baffle machining | Ki Soo Chang, Geon Hee Kim, Myeong Sang Kim, Sang Yong Lee | 2016-06-14 |
| 8978527 | Long shaft bit having vibration preventing structure | Ki Soo Chang, Geon Hee Kim, Myeong Sang Kim | 2015-03-17 |
| 8488236 | Optical system for thermal image microscope | Geon Hee Kim, Ki Soo Chang, Hyo Sik Kim, Sang Hyeok KIM, Sang Yong Lee | 2013-07-16 |