Jung; Sung Cheon
Patent Applications and Registrations
Patent applications and USPTO patent grants for Jung; Sung Cheon.The latest application filed is for "micro optical communication device package".
- Jung; Sung Cheon - Kyungki-do KR
- Jung; Sung Cheon - Suwon KR
- Jung; Sung Cheon - Seoul KR
- Jung, Sung Cheon - Suwon-Shi KR
| Patent | Date |
|---|---|
| Microelectromechanical systems (MEMS) variable optical attenuator Grant 7,113,689 - Hong , et al. September 26, 2 | 2006-09-26 |
| Optical switch and method of producing the same Grant 6,961,488 - Lee , et al. November 1, 2 | 2005-11-01 |
| Microelectromechanical system (MEMS) variable optical attenuator Grant 6,901,204 - Hong , et al. May 31, 2 | 2005-05-31 |
| Micro optical communication device package App 20050078920 - Lee, Yeong Gyu ; et al. | 2005-04-14 |
| MEMs variable optical attenuator having movable optical waveguide and method for operating movable optical waveguide App 20040264907 - Lee, Jung Hyun ; et al. | 2004-12-30 |
| Optical switch and method of producing the same App 20040264848 - Lee, Hyun Kee ; et al. | 2004-12-30 |
| Dicing method for micro electro mechnical system chip Grant 6,833,288 - Kang , et al. December 21, 2 | 2004-12-21 |
| MEMS variable optical attenuator Grant 6,816,295 - Lee , et al. November 9, 2 | 2004-11-09 |
| Mems Variable Optical Attenuator App 20040196522 - Lee, Jung Hyun ; et al. | 2004-10-07 |
| Variable optical attenuator Grant 6,775,459 - Hong , et al. August 10, 2 | 2004-08-10 |
| Microelectromechanical systems (MEMS) variable optical attenuator App 20040126080 - Hong, Yoon Shik ; et al. | 2004-07-01 |
| Microelectromechanical system (MEMS) variable optical attenuator App 20040126081 - Hong, Yoon Shik ; et al. | 2004-07-01 |
| Variable optical attenuator of optical path conversion Grant 6,718,114 - Hong , et al. April 6, 2 | 2004-04-06 |
| Dicing method for micro electro mechanical system chip App 20040005735 - Kang, Joon Seok ; et al. | 2004-01-08 |
| Dicing method for micro electro mechanical system chip App 20040005734 - Kang, Joon Seok ; et al. | 2004-01-08 |
| Variable optical attenuator App 20030169996 - Lee, Jung Hyun ; et al. | 2003-09-11 |
| Variable optical attenuator App 20030161408 - Hong, Yoon Shik ; et al. | 2003-08-28 |
| Optical switch Grant 6,552,839 - Hong , et al. April 22, 2 | 2003-04-22 |
| Variable optical attenuator of optical path conversion App 20030031451 - Hong, Yoon Shik ; et al. | 2003-02-13 |
| Variable optical attenuator Grant 6,459,845 - Lee , et al. October 1, 2 | 2002-10-01 |
| Brushless DC motor Grant 5,994,803 - Jung November 30, 1 | 1999-11-30 |
| Disc drive motor with means to center a disc and limit its axial movement Grant 5,925,949 - Jung , et al. July 20, 1 | 1999-07-20 |
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