Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11225440 | Method for manufacturing zirconia block for dental prosthesis having layered color gradient by water absorption rate | — | 2022-01-18 |
| 11116610 | Method for manufacturing zirconia slurry for forming porous surface on abutment and crown of ceramic implant and method for manufacturing implant using the same | — | 2021-09-14 |
| 9687325 | Method of manufacturing zirconia block for artificial tooth having color gradient | In-Kon Chun | 2017-06-27 |
| 8951835 | Method of fabricating a package substrate | Seung Wook Park, Young Do Kweon, Jang-Hyun Kim, Su Jeong Suh, Jae Gwon Jang +3 more | 2015-02-10 |
| 8157564 | Manufacturing method and apparatus of artificial teeth using dental CT | Sang Chul Lee, Chang Hwan Byun | 2012-04-17 |
| RE39004 | Pseudo contact type negative pressure air bearing slider | Ki-Ook Park, In Eung Kim, In-Seop Jeong | 2006-03-07 |
| 6212032 | Pseudo contact negative pressure air bearing slider with divided negative pressure pockets | Ki-Ook Park, Dong-seob Jang, In-Seop Jeong | 2001-04-03 |
| 6055129 | Flying negative pressure air bearing slider with divided negative pressure pockets | Ki-Ook Park, Dong-seob Jang, In-Seop Jeong | 2000-04-25 |
| 5917679 | Pseudo contact type negative pressure air bearing slider | Ki-Ook Park, In Eung Kim, In-Seop Jeong | 1999-06-29 |
| 5872685 | Flying-type negative pressure air bearing slider | Ki-Ook Park, In Eung Kim, In-Seop Jeong | 1999-02-16 |
| 5793407 | Method and apparatus for forming a light spot smaller than a theoretical limit for high density recording | Chul-woo Lee, Jang-hoon Yoo | 1998-08-11 |
| 5631893 | Multi-head device for optical disk and recording/reproducing system for multiple users utilizing the same | Jin Ku Kang, Sung-han Ha, Chul-woo Lee | 1997-05-20 |
| 5526331 | Method for recording additional information on an optical disc | Seung-tae Jung, Jung-hoe Kim | 1996-06-11 |
| 4807213 | Laser drum for use in recording and reproducing information on optical tapes | Seung-Tae Chung, Hae Woong Kwon | 1989-02-21 |
| 4769094 | Amorphous-nickel-base alloy electrical resistors | Dong-Ho Ahn | 1988-09-06 |
| 4740250 | Aluminium base-alloy for head drum of video cassette recorders | Dong-Ho Ahn | 1988-04-26 |