Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8997340 | Method of manufacturing and insulating sheet | Keungjin Sohn, Nobuyuki Ikeguchi, Joung Gul Ryu, Ho-Sik Park, Joon-Sik Shin +1 more | 2015-04-07 |
| 8926714 | Heat dissipating substrate and method of manufacturing the same | Joung Gul Ryu, Dong Sun Kim, Jae Hoon Choi, In Ho Seo | 2015-01-06 |
| 8704100 | Heat dissipating substrate and method of manufacturing the same | Joung Gul Ryu, Dong Sun Kim, Jae Hoon Choi, In Ho Seo | 2014-04-22 |
| 8647926 | Method of fabricating semiconductor plastic package including a core board, build-up insulation layer, printed circuit, and semiconductor chip | Joon-Sik Shin, Nobuyuki Ikeguchi, Keungjin Sohn, Joung Gul Ryu, Jung Hwan Park +1 more | 2014-02-11 |
| 8499441 | Method of manufacturing a printed circuit board | Jung Hwan Park, Keungjin Sohn, Joon-Sik Shin, Ho-Sik Park, Joung Gul Ryu | 2013-08-06 |
| 8450618 | Printed circuit board with reinforced thermoplastic resin layer | Keung Jin Sohn, Joon-Sik Shin, Joung Gul Ryu, Jung Hwan Park, Ho-Sik Park | 2013-05-28 |
| 8397378 | Manufacturing an insulating sheet, a copper clad laminate, and a printed circuit board | Keung Jin Sohn, Joon-Sik Shin, Joung Gul Ryu, Jung Hwan Park, Ho-Sik Park | 2013-03-19 |
| 7893527 | Semiconductor plastic package and fabricating method thereof | Joon-Sik Shin, Nobuyuki Ikeguchi, Keungjin Sohn, Joung Gul Ryu, Jung Hwan Park +1 more | 2011-02-22 |
| 7451080 | Controlling apparatus and method for bit rate | — | 2008-11-11 |
| 7271973 | Flying height compensation for up/down bit error rate trend difference | Geng Wang | 2007-09-18 |
| 7089649 | Method of estimating a thermal pole tip protrusion for a head gimbal assembly | Geng Wang, Hae-Jung Lee, Keung Youn Cho | 2006-08-15 |
| 6912098 | Method for dynamically measuring suspension in-plane and out-plane thermal drift hard disk drives | Geng Wang | 2005-06-28 |