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Yu; Zhengchen Patent Filings

Yu; Zhengchen

Patent Applications and Registrations

Patent applications and USPTO patent grants for Yu; Zhengchen.The latest application filed is for "terminals having sub-band substitute signal control in optical communication systems".

Company Profile
0.2.2
  • Yu; Zhengchen - Germantown MD
*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
Methods of signal substitution for maintenance of amplifier saturation
Grant 6,944,399 - Yu , et al. September 13, 2
2005-09-13
Terminals having sub-band substitute signal control in optical communication systems
Grant 6,907,195 - Yu , et al. June 14, 2
2005-06-14
Methods of signal substitution for maintenance of amplifier saturation
App 20030048502 - Yu, Zhengchen ;   et al.
2003-03-13
Terminals having sub-band substitute signal control in optical communication systems
App 20030048508 - Yu, Zhengchen ;   et al.
2003-03-13

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