Du; Liren

Patent Applications and Registrations

Patent applications and USPTO patent grants for Du; Liren.The latest application filed is for "low insertion loss circulator".

Company Profile

0.9.8

Du; Liren - San Jose CA
Du; Liren - Sunnyvale CA
Du; Liren - Santa Clara CA
Du, Liren - Mountain View 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

Patent	Date
Surface passivation and sealing of micro-optics devices for improved performance in harsh environments Grant 7,585,546 - Shi , et al. September 8, 2	2009-09-08
Optical isolator with reduced insertion loss and minimized polarization mode dispersion Grant 7,173,762 - Haung , et al. February 6, 2	2007-02-06
Integrated optical pump module Grant 7,043,101 - Huang , et al. May 9, 2	2006-05-09
Plug-in module for providing bi-directional data transmission Grant 7,031,574 - Huang , et al. April 18, 2	2006-04-18
Dual-stage optical isolator minimized polarization mode dispersion and simplified fabrication process Grant 7,023,618 - Huang , et al. April 4, 2	2006-04-04
Adjustable optical signal collimator Grant 7,010,193 - Deng , et al. March 7, 2	2006-03-07
Low insertion loss circulator App 20060044650 - Du; Liren ; et al.	2006-03-02
Simplified gain flattening and tap device Grant 6,987,905 - Huang , et al. January 17, 2	2006-01-17
Multi-channel polarization beam combiner/splitter Grant 6,973,224 - Deng , et al. December 6, 2	2005-12-06
Integrated optical isolator and polarization beam combiner Grant 6,919,989 - Deng , et al. July 19, 2	2005-07-19
Surface passivation and sealing of micro-optics devices for improved performance in harsh environments App 20050037141 - Shi, Ming ; et al.	2005-02-17
Plug-in module for providing bi-directional data transmission App 20050018967 - Huang, Yonglin ; et al.	2005-01-27
Simplified gain flattening and tap device App 20040165819 - Huang, Yonglin ; et al.	2004-08-26
Optical circulator for bi-directional communication App 20040086214 - Huang, Yonglin ; et al.	2004-05-06
Optical polarization beam splitter/combiner with isolation in the backward optical path App 20020110307 - Huang, Yonglin ; et al.	2002-08-15
Dual-stage optical isolator minimized polarization mode dispersion and simplified fabrication process App 20020071182 - Huang, Yonglin ; et al.	2002-06-13
Optical isolator with reduced insertion loss and minimized polarization mode dispersion App 20020060843 - Huang, Yonglin ; et al.	2002-05-23

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