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name:-0.010707139968872
name:-0.0086519718170166
name:-0.0053551197052002
Ji; Guijun Patent Filings

Ji; Guijun

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ji; Guijun.The latest application filed is for "wavelength selective switch".

Company Profile
3.9.10
  • Ji; Guijun - Lisle IL
  • Ji; Guijun - Cupertino CA
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
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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