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Patent applications and USPTO patent grants for Jung; Sung Cheon.The latest application filed is for "micro optical communication device package".
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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