Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12013309 | Anderon meter for cryogenic environment and measuring method for bearing friction torque using the same | Yong Bok Lee, Wonil Kwak, Yunseok Ha, Yeong-do LEE | 2024-06-18 |
| 10309460 | Ball bearing | Yong Bok Lee, Bok Seong Choe, Sangmin HAN | 2019-06-04 |
| 10247638 | Bearing test apparatus for testing behavior of the bearing | Yong Bok Lee, Bok Seong Choe, Wonil Kwak, Ou Seok Seo | 2019-04-02 |
| 9829107 | Oil sealing device for a bearing | Yong Bok Lee, Eo Jin Kim | 2017-11-28 |
| 9714883 | Bearing test apparatus for testing durability of bearing | Yong Bok Lee, Bokseong Choe, Sol-Ji Ryu, Byoungkuk Lee | 2017-07-25 |
| 9236493 | P-type transparent oxide semiconductor, transistor having the same, and manufacture method of the same | Young-Jei Oh, Chil-Hyoung Lee, Won Kook Choi, Young Soo No | 2016-01-12 |
| 8318268 | AA stacked graphene-diamond hybrid material by high temperature treatment of diamond and the fabrication method thereof | Jae-Kap Lee, So-Hyung Lee, Seung-Cheol Lee, Jae-Pyoung Ahn, Wook Seong LEE | 2012-11-27 |
| 7776445 | Graphene-diamond hybrid material and method for preparing same using chemical vapor deposition | Jae-Kap Lee, Seung-Cheol Lee, Phillip John, Wook Seong LEE | 2010-08-17 |
| 7615291 | Coating material having heat and abrasion resistance and low friction characteristics | Yong Bok Lee, Chang-Ho Kim, Hosung Kong, Hung Gu Han, Jun Hyeon Jo +1 more | 2009-11-10 |
| 5820946 | Method for fabricating ferroelectric thin film | Tae Song Kim, Joon Han Kim, Dong-heon LEE, Hyung Jin Jung | 1998-10-13 |
| 5246628 | Metal oxide group thermistor material | Hyung Jin Jung, Sang Ok Yoon, Ki-Yoong HONG | 1993-09-21 |