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Patent applications and USPTO patent grants for Zen Photonics Co., Ltd..The latest application filed is for "perfluorostyrene compound, and coating solution and optical waveguide device using the same".
Patent | Date |
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Perfluorostyrene compound, and coating solution and optical waveguide device using the same App 20050163451 - Kim, Ji-Hyang ;   et al. | 2005-07-28 |
Perfluorostyrene compound, and coating solution and optical waveguide device using the same App 20040127632 - Kim, Ji-Hyang ;   et al. | 2004-07-01 |
Externally controllable waveguide type higher order mode generator Grant 6,728,438 - Kwang Bae April 27, 2 | 2004-04-27 |
Externally Controllable Waveguide Type Higher Order Mode Generator App 20040052454 - Kim, Kwang Bae | 2004-03-18 |
Digital thermo-optic switch integrated with variable optical attenuators Grant 6,707,969 - Kim March 16, 2 | 2004-03-16 |
Digital thermo-optic switch integrated with variable optical attenuators App 20020085791 - Kim, Kwang Bae | 2002-07-04 |
Fluorinated polyethers having perfluorinated aliphatic group and optical waveguide using the same App 20020057882 - Kim, Tae Kyun ;   et al. | 2002-05-16 |
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