Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6907841 | Apparatus and method for synthesizing spherical diamond powder by using chemical vapor deposition method | Jae-Kap Lee, Young Joon Baik | 2005-06-21 |
| 6786176 | Diamond film depositing apparatus and method thereof | Wook Seong LEE, Young Joon Baik | 2004-09-07 |
| 6443092 | Apparatus for synthesizing diamond film by DC PACVD | Jae-Kap Lee, Young Joon Baik | 2002-09-03 |
| 6399151 | Diamond film depositing apparatus and method thereof | Wook Seong LEE, Young Joon Baik | 2002-06-04 |
| 6365230 | Method of manufacturing a diamond film coated cutting tool | Young Joon Baik, Wook Seong LEE, Ki-Woong Chae | 2002-04-02 |
| 6319439 | Method of synthesizing even diamond film without cracks | Jae-Kap Lee, Young Joon Baik | 2001-11-20 |
| 5938838 | VCR head drum coated with diamond-like hard carbon films and the method and apparatus for manufacturing the same | Kwang Ryeol Lee, Keun-Mo Kim | 1999-08-17 |
| 5916005 | High curvature diamond field emitter tip fabrication method | Young Joon Baik | 1999-06-29 |
| 5883769 | Aluminum head drum with a protective layer which smoothly and continuously varies in hardness for use in a videocassette recorder | Kye-Chul Choi, Keum-Mo Kim, Kwang Ryeol Lee | 1999-03-16 |
| 5768046 | VCR head drum coated with diamond-like hard carbon films and the method and apparatus for manufacturing the same | Kwang Ryeol Lee, Keun-Mo Kim | 1998-06-16 |
| 5700518 | Fabrication method for diamond-coated cemented carbide cutting tool | Wook Seong LEE, Young Joon Baik | 1997-12-23 |
| 5695565 | VCR head drum coated with diamond-like hard carbon films and the method and apparatus for manufacturing the same | Kwang Ryeol Lee, Keun-Mo Kim | 1997-12-09 |
| 5647964 | Diamond film synthesizing apparatus and method thereof using direct current glow discharge plasma enhanced chemical vapor deposition | Jae-Kap Lee, Young Joon Baik | 1997-07-15 |
| 5611862 | Method and apparatus for manufacturing head drums coated with diamond-like carbon coating film using high-frequency plasma | Kwang Ryeol Lee | 1997-03-18 |
| 5542281 | Method for testing the abrasion property and measuring friction coefficient of circumferential surface of cylindrical object and apparatus for the same | Kwang Ryeol Lee | 1996-08-06 |
| 5476693 | Method for the deposition of diamond film by high density direct current glow discharge | Wook Seong LEE, Young Joon Baik | 1995-12-19 |
| 5454343 | Method for production of diamond particles | Jong Keuk PARK, Jae-Kap Lee | 1995-10-03 |
| 5147623 | Fabrication method of cubic boron nitride | Jong-Ku Park, Seung-Taek Park | 1992-09-15 |