Sim; Yu-Kyung
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sim; Yu-Kyung.The latest application filed is for "half tone mask having multi-half permeation part and a method of manufacturing the same".
- Sim; Yu-Kyung - Gyeongsangbuk-do KR
- SIM; Yu-Kyung - Gumi City KR
- Sim; Yu-Kyung - Gumi KR
| Patent | Date |
|---|---|
| Half tone mask having multi-half permeation part and a method of manufacturing the same Grant 8,133,641 - Kang , et al. March 13, 2 | 2012-03-13 |
| Half Tone Mask Having Multi-half Permeation Part And A Method Of Manufacturing The Same App 20120052420 - KANG; Kap-Seok ; et al. | 2012-03-01 |
| A Half Tone Mask Having Multi-half Permeation Part And A Method Of Manufacturing The Same App 20100159367 - KANG; Kap-Seok ; et al. | 2010-06-24 |
| Half tone mask and method for fabricating the same Grant 7,704,646 - Park , et al. April 27, 2 | 2010-04-27 |
| Half tone mask, method for fabricating the same, and flat panel display using the same App 20060099521 - Park; Sang-Uk ; et al. | 2006-05-11 |
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