Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11525477 | Fractal structure for power-generation of bearing rotating vibration | Yong Bok Lee, Wonil Kwak, Jungwan Kim | 2022-12-13 |
| 11241738 | Metal powder manufacturing apparatus for metal 3D printer | Yong Bok Lee, Jungwan Kim, Sena Jeong, Wonil Kwak, Jaeseung Byun | 2022-02-08 |
| 10309460 | Ball bearing | Yong Bok Lee, Sangmin HAN, Jeon Kook Lee | 2019-06-04 |
| 10247638 | Bearing test apparatus for testing behavior of the bearing | Yong Bok Lee, Wonil Kwak, Jeon Kook Lee, Ou Seok Seo | 2019-04-02 |
| 9121450 | Cage for rolling bearing | Yong Bok Lee, Chang-Ho Kim, Sol-Ji Ryu | 2015-09-01 |