Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10059804 | Polymer, hydrogel including the polymer and manufacturing method of the hydrogel | Ji Heung Kim, Bich Ngoc Tran | 2018-08-28 |
| 9421668 | CMP apparatus | Seh Kwang Lee, Joo Han Lee, Jae-Kwang Choi, Jae-Phil Boo | 2016-08-23 |
| 9314901 | CMP pad conditioner, and method for producing the CMP pad conditioner | Seh Kwang Lee, Joo Han Lee, Jae-Kwang Choi, Jae-Phil Boo | 2016-04-19 |
| 7223751 | Sulfonamide derivatives, intermediate thereof, its preparation methods, and pharmaceutical composition comprising the same | Yong-Jun Chung, Kyeong Ho Lee, Ho Jin Park | 2007-05-29 |
| 6638153 | Diamond saw blade equipped with undercut preventing tip | Chang-Hyun Lee | 2003-10-28 |
| 6478021 | Saw blade for preventing undercut | So Young Yoon | 2002-11-12 |
| D458619 | Segment tip for saw blade | Chang-Hyun Lee | 2002-06-11 |
| 4742088 | Phosphorus-containing nitrogen compounds as flame retardants and synthetic resins containing them | — | 1988-05-03 |