Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9457055 | Method for treating inflammation, arthritis or disc diseases using a mixed extract of cibotii rhizoma, ledebouriellae radix, achyranthis radix, paeonia lactiflora pall and glycyrrhizae radix | Jin Ho Lee | 2016-10-04 |
| 8997340 | Method of manufacturing and insulating sheet | Keungjin Sohn, Nobuyuki Ikeguchi, Joung Gul Ryu, Ho-Sik Park, Sang-Youp Lee +1 more | 2015-04-07 |
| 8647926 | Method of fabricating semiconductor plastic package including a core board, build-up insulation layer, printed circuit, and semiconductor chip | Nobuyuki Ikeguchi, Keungjin Sohn, Joung Gul Ryu, Sang-Youp Lee, Jung Hwan Park +1 more | 2014-02-11 |
| 8499441 | Method of manufacturing a printed circuit board | Jung Hwan Park, Keungjin Sohn, Sang-Youp Lee, Ho-Sik Park, Joung Gul Ryu | 2013-08-06 |
| 8450618 | Printed circuit board with reinforced thermoplastic resin layer | Keung Jin Sohn, Joung Gul Ryu, Jung Hwan Park, Ho-Sik Park, Sang-Youp Lee | 2013-05-28 |
| 8397378 | Manufacturing an insulating sheet, a copper clad laminate, and a printed circuit board | Keung Jin Sohn, Joung Gul Ryu, Jung Hwan Park, Ho-Sik Park, Sang-Youp Lee | 2013-03-19 |
| 7893527 | Semiconductor plastic package and fabricating method thereof | Nobuyuki Ikeguchi, Keungjin Sohn, Joung Gul Ryu, Sang-Youp Lee, Jung Hwan Park +1 more | 2011-02-22 |