Su Yu; Jeong
Patent Applications and Registrations
Patent applications and USPTO patent grants for Su Yu; Jeong.The latest application filed is for "compensator comprising a positive and negative birefringent retardation film".
- Su Yu; Jeong - Daejon KR
| Patent | Date |
|---|---|
| Compensator comprising a positive and negative birefringent retardation film Grant 7,283,188 - Su Yu , et al. October 16, 2 | 2007-10-16 |
| Achromatic quarter wave film Grant 7,169,447 - Su Yu , et al. January 30, 2 | 2007-01-30 |
| Compensator comprising a positive and negative birefringent retardation film App 20040051831 - Su Yu, Jeong ; et al. | 2004-03-18 |
| Achromatic quarter wave film App 20040032677 - Su Yu, Jeong ; et al. | 2004-02-19 |
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