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Patent applications and USPTO patent grants for Ji; Guijun.The latest application filed is for "wavelength selective switch".
Patent | Date |
---|---|
Wavelength selective switch Grant 10,620,374 - Mao , et al. | 2020-04-14 |
Optical communication system utilizing intelligent dynamic gain equalizer device Grant 10,374,708 - Liao , et al. | 2019-08-06 |
Wavelength Selective Switch App 20190235170 - MAO; HONGWEI ;   et al. | 2019-08-01 |
N-degree Cdc Wsx Roadm App 20180192169 - ZHU; Tian ;   et al. | 2018-07-05 |
N-degree Cdc Wsx Roadm App 20180192168 - ZHU; Tian ;   et al. | 2018-07-05 |
2.times.2 wavelength selective switch array Grant 9,927,577 - Mao , et al. March 27, 2 | 2018-03-27 |
Optical circulator array Grant 9,798,081 - Mao , et al. October 24, 2 | 2017-10-24 |
Optical Circulator Array App 20170269296 - MAO; Hongwei ;   et al. | 2017-09-21 |
Optical circulator array Grant 9,696,485 - Mao , et al. July 4, 2 | 2017-07-04 |
2x2 WAVELENGTH SELECTIVE SWITCH ARRAY App 20170176687 - MAO; Hongwei ;   et al. | 2017-06-22 |
2.times.2 wavelength selective switch array Grant 9,588,299 - Mao , et al. March 7, 2 | 2017-03-07 |
Optical Circulator Array App 20160018594 - Mao; Hongwei ;   et al. | 2016-01-21 |
N-degree Cdc Wsx Roadm App 20150256908 - Zhu; Tian ;   et al. | 2015-09-10 |
2x2 Wavelength Selective Switch Array App 20150212275 - Mao; Hongwei ;   et al. | 2015-07-30 |
Wavelength division multiplexing Grant 9,057,841 - Ji , et al. June 16, 2 | 2015-06-16 |
Wavelength Division Multiplexing App 20110182586 - Ji; Guijun ;   et al. | 2011-07-28 |
Configurations and methods for manufacturing optical devices using an athermal platform Grant 7,672,551 - Ji March 2, 2 | 2010-03-02 |
Configurations and methods for manufacturing optical devices using an athermal platform App 20060182390 - Ji; Guijun | 2006-08-17 |
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