Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11309345 | Protective film composition and method of manufacturing semiconductor package by using the same | Myoung-chul Eum, Chang-kun Kang, Jae-Hyun Kim, Kyeong-il Oh, Seung Keun Oh +1 more | 2022-04-19 |
| 10854666 | Protective film composition and method of manufacturing semiconductor package by using the same | Myoung-chul Eum, Chang-kun Kang, Jae-Hyun Kim, Kyeong-il Oh, Seung Keun Oh +1 more | 2020-12-01 |
| 10444619 | Mask blank and phase shift mask using same | Il-Yong Jang, Hwan-Seok Seo, Byung-Gook Kim | 2019-10-15 |
| 8865375 | Halftone phase shift blank photomasks and halftone phase shift photomasks | Il-Yong Jang, Hoon Kim, Sang-Gyun Woo, Dong-Seok Nam | 2014-10-21 |
| 8329363 | Methods of fabricating halftone phase shift blank photomasks and halftone phase shift photomasks | Il-Yong Jang, Hoon Kim, Sang-Gyun Woo, Dong-Seok Nam | 2012-12-11 |
| 7557415 | Trench isolation type semiconductor device and related method of manufacture | Ki-seog Youn, Jong-Hyon Ahn, Kwan-Jong Roh | 2009-07-07 |
| 5341417 | Integrated PCM-CODEC circuit with telemetering noise elimination | In Hwan Hwang, Yi-Sung Bae, Bang-Won Lee | 1994-08-23 |