Tian; Cechan

Patent Applications and Registrations

Patent applications and USPTO patent grants for Tian; Cechan.The latest application filed is for "free-space dqpsk demodulator".

Company Profile

0.32.42

Tian; Cechan - Plano TX

*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
Free-space DQPSK demodulator Grant 8,218,975 - Tian , et al. July 10, 2	2012-07-10
Flexible open ring optical network and method Grant 7,970,278 - Kinoshita , et al. June 28, 2	2011-06-28
Flexible open ring optical network and method Grant 7,957,644 - Kinoshita , et al. June 7, 2	2011-06-07
Modulating a signal using a fractional phase modulator Grant 7,912,378 - Tian , et al. March 22, 2	2011-03-22
Free-Space DQPSK Demodulator App 20110044698 - Tian; Cechan ; et al.	2011-02-24
Modulating a signal according to 2.sup.n-PSK modulation Grant 7,860,402 - Tian , et al. December 28, 2	2010-12-28
Optical ring network for extended broadcasting Grant 7,826,743 - Tian , et al. November 2, 2	2010-11-02
Monitoring modulator bias using photon absorption Grant 7,801,393 - Tian , et al. September 21, 2	2010-09-21
Free space demodulator for demodulating a signal Grant 7,668,466 - Tian , et al. February 23, 2	2010-02-23
Method and system for shared optical regeneration Grant 7,664,391 - Tian , et al. February 16, 2	2010-02-16
Monitoring differential phase-shifted keying demodulation Grant 7,653,124 - Tian , et al. January 26, 2	2010-01-26
Demodulating a signal by performing consecutive beam splitting Grant 7,650,083 - Tian , et al. January 19, 2	2010-01-19
Dynamic blocking of token-controlled data transmissions in communication networks Grant 7,650,076 - Su , et al. January 19, 2	2010-01-19
Method and system for a data centric architecture in an optical network Grant 7,603,035 - Kinoshita , et al. October 13, 2	2009-10-13
Monitoring Modulator Bias Using Photon Absorption App 20090201564 - Tian; Cechan ; et al.	2009-08-13
Monitoring modulator bias using photon absorption Grant 7,539,360 - Tian , et al. May 26, 2	2009-05-26
Monitoring modulation alignment variation using photon absorption Grant 7,466,877 - Tian December 16, 2	2008-12-16
Modulating A Signal Using A Fractional Phase Modulator App 20080181332 - Tian; Cechan ; et al.	2008-07-31
Modulating A Signal According To 2n-PSK Modulation App 20080181618 - Tian; Cechan ; et al.	2008-07-31
Method and system for determining gain for an optical signal Grant 7,400,440 - Tian , et al. July 15, 2	2008-07-15
Reducing polarization dependence of a wavelength dispersion variation monitor Grant 7,379,235 - Tian , et al. May 27, 2	2008-05-27
Optical network with selective mode switching Grant 7,369,765 - Aoki , et al. May 6, 2	2008-05-06
Monitoring Differential Phase-Shifted Keying Demodulation App 20080080854 - Tian; Cechan ; et al.	2008-04-03
Demodulating a signal using a 1 x m coupler App 20080002994 - Tian; Cechan ; et al.	2008-01-03
Free space demodulator for demodulating a signal App 20080002987 - Tian; Cechan ; et al.	2008-01-03
Demodulating a signal by performing consecutive beam splitting App 20080002980 - Tian; Cechan ; et al.	2008-01-03
Method and system for management of directly connected optical components Grant 7,305,184 - Tian , et al. December 4, 2	2007-12-04
System and method for setting a tunable filter in an optical network Grant 7,283,750 - Tian , et al. October 16, 2	2007-10-16
Flexible Open Ring Optical Network and Method App 20070223371 - Kinoshita; Susumu ; et al.	2007-09-27
Directing Optical Channels Using a Reflective Device App 20070217790 - Tian; Cechan ; et al.	2007-09-20
Flexible Open Ring Optical Network and Method App 20070206493 - Kinoshita; Susumu ; et al.	2007-09-06
Directing optical channels using a reflective device Grant 7,254,292 - Tian , et al. August 7, 2	2007-08-07
Analyzing the quality of an optical waveform App 20070166033 - Tian; Cechan	2007-07-19
Flexible open ring optical network and method Grant 7,231,148 - Kinoshita , et al. June 12, 2	2007-06-12
Dynamic blocking of token-controlled data transmissions in communication networks App 20070110438 - Su; Ching-Fong ; et al.	2007-05-17
Monitoring modulation alignment variation using photon absorption App 20070070487 - Tian; Cechan	2007-03-29
Monitoring modulator bias using photon absorption App 20070070486 - Tian; Cechan ; et al.	2007-03-29
Reducing polarization dependence of a wavelength dispersion variation monitor App 20060250682 - Tian; Cechan ; et al.	2006-11-09
System and method for protecting traffic in a hubbed optical ring network Grant 7,120,360 - Tian , et al. October 10, 2	2006-10-10
Method and system for control signaling in an open ring optical network Grant 7,116,905 - Kinoshita , et al. October 3, 2	2006-10-03
Method and system for improving upstream efficiency in extended broadcasting networks App 20060216029 - Vassilieva; Olga I. ; et al.	2006-09-28
Monitoring wavelength dispersion variation using photon absorption App 20060188255 - Tian; Cechan ; et al.	2006-08-24
Passive add/drop amplifier for optical networks and method Grant 7,085,496 - Kinoshita , et al. August 1, 2	2006-08-01
Combining and distributing amplifiers for optical network and method Grant 7,075,712 - Kinoshita , et al. July 11, 2	2006-07-11
Method and system for testing during operation of an open ring optical network Grant 7,076,163 - Kinoshita , et al. July 11, 2	2006-07-11
System And Method For Protecting Traffic In A Hubbed Optical Ring Network App 20060147209 - Tian; Cechan ; et al.	2006-07-06
Method and system for shared optical regeneration App 20060133802 - Tian; Cechan ; et al.	2006-06-22
Method and system for shared optical protection App 20060133803 - Tian; Cechan ; et al.	2006-06-22
Directing optical channels using a reflective device App 20060133723 - Tian; Cechan ; et al.	2006-06-22
Method and system for determining gain for an optical signal App 20060126165 - Tian; Cechan ; et al.	2006-06-15
Method and system for controlling a secondary amplifier with a primary amplifier in an optical network Grant 7,057,149 - Tian , et al. June 6, 2	2006-06-06
Optical ring network for extended broadcasting App 20060110162 - Tian; Cechan ; et al.	2006-05-25
Method and system for determining gain for an optical signal Grant 7,027,210 - Tian , et al. April 11, 2	2006-04-11
Method and system for a data centric architecture in an optical network App 20060051091 - Kinoshita; Susumu ; et al.	2006-03-09
Power tilt compensation using automatic power balance control Grant 7,009,761 - Tian , et al. March 7, 2	2006-03-07
Control system and method for an optical amplifier Grant 7,006,282 - Tian , et al. February 28, 2	2006-02-28
System and method for setting a tunable filter in an optical network App 20060018660 - Tian; Cechan ; et al.	2006-01-26
System and method for communicating traffic between optical rings App 20050196169 - Tian, Cechan ; et al.	2005-09-08
Optical network with selective mode switching App 20050191054 - Aoki, Yasuhiko ; et al.	2005-09-01
Photonic data storage network App 20050185959 - Kinoshita, Susumu ; et al.	2005-08-25
Method and system for increasing network capacity in an optical network App 20050095001 - Tian, Cechan ; et al.	2005-05-05
Method and system for controlling an amplifier in an optical network App 20050045810 - Tian, Cechan ; et al.	2005-03-03
Method and system for management of directly connected optical components App 20050008363 - Tian, Cechan ; et al.	2005-01-13
Method and system for determining gain for an optical signal App 20040240040 - Tian, Cechan ; et al.	2004-12-02
Power tilt compensation using automatic power balance control App 20040240041 - Tian, Cechan ; et al.	2004-12-02
Flexible open ring optical network and method App 20040208506 - Kinoshita, Susumu ; et al.	2004-10-21
Method and system for control signaling in an open ring optical network App 20040208561 - Kinoshita, Susumu ; et al.	2004-10-21
Passive add/drop amplifier for optical networks and method App 20040208576 - Kinoshita, Susumu ; et al.	2004-10-21
Method and system for testing during operation of an open ring optical network App 20040208505 - Kinoshita, Susumu ; et al.	2004-10-21
Control system and method for an optical amplifier App 20040114215 - Tian, Cechan ; et al.	2004-06-17
Optical network with distributed sub-band rejections App 20040052530 - Tian, Cechan ; et al.	2004-03-18
Control system and method for an optical amplifier Grant 6,690,508 - Tian , et al. February 10, 2	2004-02-10
Combining and distributing amplifiers for optical network and method App 20030223104 - Kinoshita, Susumu ; et al.	2003-12-04
Control system and method for an optical amplifier App 20030184851 - Tian, Cechan ; et al.	2003-10-02