Search

Li Liu

Examiner (ID: 19142, Phone: (571)270-5363 , Office: P/2666 )

Most Active Art Unit
2666
Art Unit(s)
2636, 2624, 2634, 2613, 2665, 2666
Total Applications
2203
Issued Applications
1778
Pending Applications
82
Abandoned Applications
390

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 5590246 [patent_doc_number] => 20060039697 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-02-23 [patent_title] => 'Autonomous optical path management device' [patent_app_type] => utility [patent_app_number] => 10/922246 [patent_app_country] => US [patent_app_date] => 2004-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2025 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0039/20060039697.pdf [firstpage_image] =>[orig_patent_app_number] => 10922246 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/922246
Autonomous optical path management device Aug 18, 2004 Abandoned
Array ( [id] => 6904956 [patent_doc_number] => 20050100351 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-05-12 [patent_title] => 'Quantum communication system and a receiver for a quantum communication system' [patent_app_type] => utility [patent_app_number] => 10/920433 [patent_app_country] => US [patent_app_date] => 2004-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 9096 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 20 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0100/20050100351.pdf [firstpage_image] =>[orig_patent_app_number] => 10920433 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/920433
Quantum communication system and a receiver for a quantum communication system Aug 17, 2004 Abandoned
Array ( [id] => 7198724 [patent_doc_number] => 20050041969 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-02-24 [patent_title] => 'Dynamic control of power loss in an optical fiber by contrapropagation of a supervisory channel' [patent_app_type] => utility [patent_app_number] => 10/919263 [patent_app_country] => US [patent_app_date] => 2004-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4436 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0041/20050041969.pdf [firstpage_image] =>[orig_patent_app_number] => 10919263 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/919263
Dynamic control of power loss in an optical fiber by contrapropagation of a supervisory channel Aug 16, 2004 Abandoned
Array ( [id] => 222426 [patent_doc_number] => 07609973 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-10-27 [patent_title] => 'Electro-optical communication system' [patent_app_type] => utility [patent_app_number] => 10/918155 [patent_app_country] => US [patent_app_date] => 2004-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2283 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/609/07609973.pdf [firstpage_image] =>[orig_patent_app_number] => 10918155 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/918155
Electro-optical communication system Aug 12, 2004 Issued
Array ( [id] => 212881 [patent_doc_number] => 07623797 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-11-24 [patent_title] => 'Compensating impairments of optical channel using adaptive equalization' [patent_app_type] => utility [patent_app_number] => 10/892010 [patent_app_country] => US [patent_app_date] => 2004-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 17 [patent_no_of_words] => 11484 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/623/07623797.pdf [firstpage_image] =>[orig_patent_app_number] => 10892010 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/892010
Compensating impairments of optical channel using adaptive equalization Jul 13, 2004 Issued
Array ( [id] => 7198830 [patent_doc_number] => 20050041983 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-02-24 [patent_title] => 'Method of forming a coded optical signal with a return to zero or non return to zero format' [patent_app_type] => utility [patent_app_number] => 10/890120 [patent_app_country] => US [patent_app_date] => 2004-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2842 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0041/20050041983.pdf [firstpage_image] =>[orig_patent_app_number] => 10890120 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/890120
Method of forming a coded optical signal with a return to zero or non return to zero format Jul 13, 2004 Abandoned
Array ( [id] => 7121789 [patent_doc_number] => 20050013618 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-01-20 [patent_title] => 'Optical receiving method, optical receiver and optical transmission system using the same' [patent_app_type] => utility [patent_app_number] => 10/890217 [patent_app_country] => US [patent_app_date] => 2004-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6062 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0013/20050013618.pdf [firstpage_image] =>[orig_patent_app_number] => 10890217 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/890217
Optical receiving method, optical receiver and optical transmission system using the same Jul 13, 2004 Abandoned
Array ( [id] => 7024641 [patent_doc_number] => 20050019035 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-01-27 [patent_title] => 'Data communications system, station device, subscriber device, redundant configuration switch determination method, operation control method, and program therefor' [patent_app_type] => utility [patent_app_number] => 10/889252 [patent_app_country] => US [patent_app_date] => 2004-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 6618 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0019/20050019035.pdf [firstpage_image] =>[orig_patent_app_number] => 10889252 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/889252
Data communications system, station device, subscriber device, redundant configuration switch determination method, operation control method, and program therefor Jul 12, 2004 Abandoned
Array ( [id] => 7009988 [patent_doc_number] => 20050063704 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-03-24 [patent_title] => 'Wavelength division multiplexing optical transmitter using wideband gain laser' [patent_app_type] => utility [patent_app_number] => 10/890477 [patent_app_country] => US [patent_app_date] => 2004-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3024 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0063/20050063704.pdf [firstpage_image] =>[orig_patent_app_number] => 10890477 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/890477
Wavelength division multiplexing optical transmitter using wideband gain laser Jul 12, 2004 Abandoned
Array ( [id] => 6911283 [patent_doc_number] => 20050175041 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-08-11 [patent_title] => 'Optical add-drop multiplexer' [patent_app_type] => utility [patent_app_number] => 10/888016 [patent_app_country] => US [patent_app_date] => 2004-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4891 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0175/20050175041.pdf [firstpage_image] =>[orig_patent_app_number] => 10888016 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/888016
Optical add-drop multiplexer Jul 11, 2004 Issued
Array ( [id] => 898864 [patent_doc_number] => 07343096 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2008-03-11 [patent_title] => 'Method and apparatus for in-service upgrading of OADM to wavelength selective switch of higher degree' [patent_app_type] => utility [patent_app_number] => 10/868795 [patent_app_country] => US [patent_app_date] => 2004-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 4913 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 496 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/343/07343096.pdf [firstpage_image] =>[orig_patent_app_number] => 10868795 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/868795
Method and apparatus for in-service upgrading of OADM to wavelength selective switch of higher degree Jun 16, 2004 Issued
Array ( [id] => 410627 [patent_doc_number] => 07286763 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-10-23 [patent_title] => 'Optical add/drop multiplexer having a banded channel configuration' [patent_app_type] => utility [patent_app_number] => 10/869663 [patent_app_country] => US [patent_app_date] => 2004-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 19 [patent_no_of_words] => 9626 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 269 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/286/07286763.pdf [firstpage_image] =>[orig_patent_app_number] => 10869663 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/869663
Optical add/drop multiplexer having a banded channel configuration Jun 15, 2004 Issued
Array ( [id] => 6930531 [patent_doc_number] => 20050281565 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-12-22 [patent_title] => 'Burst mode optical receiver and system and method therefor' [patent_app_type] => utility [patent_app_number] => 10/867838 [patent_app_country] => US [patent_app_date] => 2004-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2112 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0281/20050281565.pdf [firstpage_image] =>[orig_patent_app_number] => 10867838 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/867838
Burst mode optical receiver and system and method therefor Jun 15, 2004 Issued
Array ( [id] => 6996025 [patent_doc_number] => 20050135803 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-06-23 [patent_title] => 'Gigabit ethernet passive optical network and method for accurately detecting data errors' [patent_app_type] => utility [patent_app_number] => 10/869435 [patent_app_country] => US [patent_app_date] => 2004-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5942 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0135/20050135803.pdf [firstpage_image] =>[orig_patent_app_number] => 10869435 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/869435
Gigabit ethernet passive optical network and method for accurately detecting data errors Jun 15, 2004 Abandoned
Array ( [id] => 6930261 [patent_doc_number] => 20050281295 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-12-22 [patent_title] => 'Optical add/drop multiplexer having an alternated channel configuration' [patent_app_type] => utility [patent_app_number] => 10/869431 [patent_app_country] => US [patent_app_date] => 2004-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 9594 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0281/20050281295.pdf [firstpage_image] =>[orig_patent_app_number] => 10869431 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/869431
Optical add/drop multiplexer having an alternated channel configuration Jun 15, 2004 Abandoned
Array ( [id] => 7038614 [patent_doc_number] => 20050158048 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-07-21 [patent_title] => 'Optical line terminal for managing link status of optical network units and gigabit ethernet passive optical network employing same' [patent_app_type] => utility [patent_app_number] => 10/869439 [patent_app_country] => US [patent_app_date] => 2004-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5008 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0158/20050158048.pdf [firstpage_image] =>[orig_patent_app_number] => 10869439 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/869439
Optical line terminal for managing link status of optical network units and gigabit ethernet passive optical network employing same Jun 15, 2004 Abandoned
Array ( [id] => 911128 [patent_doc_number] => 07333737 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-02-19 [patent_title] => 'Optical receiver' [patent_app_type] => utility [patent_app_number] => 10/866698 [patent_app_country] => US [patent_app_date] => 2004-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 24 [patent_no_of_words] => 5308 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 324 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/333/07333737.pdf [firstpage_image] =>[orig_patent_app_number] => 10866698 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/866698
Optical receiver Jun 14, 2004 Issued
Array ( [id] => 47345 [patent_doc_number] => 07778549 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2010-08-17 [patent_title] => 'Unidirectional drop and continue using bidirectional transponder' [patent_app_type] => utility [patent_app_number] => 10/867028 [patent_app_country] => US [patent_app_date] => 2004-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3002 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/778/07778549.pdf [firstpage_image] =>[orig_patent_app_number] => 10867028 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/867028
Unidirectional drop and continue using bidirectional transponder Jun 13, 2004 Issued
Array ( [id] => 6977191 [patent_doc_number] => 20050286907 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-12-29 [patent_title] => 'System, device, and method for radio frequency optical transmission' [patent_app_type] => utility [patent_app_number] => 10/522524 [patent_app_country] => US [patent_app_date] => 2004-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 26 [patent_no_of_words] => 12537 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0286/20050286907.pdf [firstpage_image] =>[orig_patent_app_number] => 10522524 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/522524
System, device, and method for radio frequency optical transmission Jun 9, 2004 Abandoned
Array ( [id] => 8246387 [patent_doc_number] => 08204323 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-06-19 [patent_title] => 'Image quality control techniques' [patent_app_type] => utility [patent_app_number] => 10/558693 [patent_app_country] => US [patent_app_date] => 2004-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 5553 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/204/08204323.pdf [firstpage_image] =>[orig_patent_app_number] => 10558693 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/558693
Image quality control techniques Jun 3, 2004 Issued
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