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Patent applications and USPTO patent grants for Ryu, Shiro.The latest application filed is for "optical transmission system and node adding method".
Patent | Date |
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Optical transmission system and node adding method App 20010019439 - Ryu, Shiro ;   et al. | 2001-09-06 |
Apparatus for detecting a fault location in an optical fiber line Grant 6,185,020 - Horiuchi , et al. February 6, 2 | 2001-02-06 |
Coherent optical receiver having optically amplified local oscillator signal Grant 5,463,461 - Horiuchi , et al. October 31, 1 | 1995-10-31 |
Optical frequency multiplex carrier control system Grant 5,387,992 - Miyazaki , et al. February 7, 1 | 1995-02-07 |
Method for measuring dispersion characteristics of an optical fiber Grant 4,984,884 - Ryu , et al. January 15, 1 | 1991-01-15 |
Controller for semiconductor laser light source Grant 4,977,564 - Ryu , et al. December 11, 1 | 1990-12-11 |
Polarization diversity light receiving system using baseband combining Grant 4,888,817 - Ryu , et al. December 19, 1 | 1989-12-19 |
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