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] => 7167421 [patent_doc_number] => 20050201752 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-09-15 [patent_title] => 'System and method for subcarrier modulation as supervisory channel' [patent_app_type] => utility [patent_app_number] => 10/800371 [patent_app_country] => US [patent_app_date] => 2004-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6495 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0201/20050201752.pdf [firstpage_image] =>[orig_patent_app_number] => 10800371 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/800371
System and method for subcarrier modulation as supervisory channel Mar 11, 2004 Issued
Array ( [id] => 7018440 [patent_doc_number] => 20050220459 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-10-06 [patent_title] => 'Receiver circuit having an optical receiving device' [patent_app_type] => utility [patent_app_number] => 10/799785 [patent_app_country] => US [patent_app_date] => 2004-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3096 [patent_no_of_claims] => 19 [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/A1/0220/20050220459.pdf [firstpage_image] =>[orig_patent_app_number] => 10799785 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/799785
Receiver circuit having an optical receiving device Mar 11, 2004 Issued
Array ( [id] => 7167471 [patent_doc_number] => 20050201762 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-09-15 [patent_title] => 'Optical RZ-duobinary transmission system with narrow bandwidth optical filter' [patent_app_type] => utility [patent_app_number] => 10/799101 [patent_app_country] => US [patent_app_date] => 2004-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3999 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0201/20050201762.pdf [firstpage_image] =>[orig_patent_app_number] => 10799101 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/799101
Optical RZ-duobinary transmission system with narrow bandwidth optical filter Mar 11, 2004 Abandoned
Array ( [id] => 406423 [patent_doc_number] => 07289728 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-10-30 [patent_title] => 'Use of variable ratio couplers for network protection and recovery' [patent_app_type] => utility [patent_app_number] => 10/798706 [patent_app_country] => US [patent_app_date] => 2004-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 4111 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/289/07289728.pdf [firstpage_image] =>[orig_patent_app_number] => 10798706 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/798706
Use of variable ratio couplers for network protection and recovery Mar 10, 2004 Issued
Array ( [id] => 7433696 [patent_doc_number] => 20040184810 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-09-23 [patent_title] => 'Rate adaptive optical communication system and method thereof' [patent_app_type] => new [patent_app_number] => 10/798146 [patent_app_country] => US [patent_app_date] => 2004-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2382 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 17 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0184/20040184810.pdf [firstpage_image] =>[orig_patent_app_number] => 10798146 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/798146
Rate adaptive optical communication system and method thereof Mar 10, 2004 Abandoned
Array ( [id] => 154848 [patent_doc_number] => 07684703 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-03-23 [patent_title] => 'Wavelength division multiplexing transmission system and remote apparatus and station apparatus used therein' [patent_app_type] => utility [patent_app_number] => 10/796118 [patent_app_country] => US [patent_app_date] => 2004-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4861 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 325 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/684/07684703.pdf [firstpage_image] =>[orig_patent_app_number] => 10796118 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/796118
Wavelength division multiplexing transmission system and remote apparatus and station apparatus used therein Mar 9, 2004 Issued
Array ( [id] => 7316488 [patent_doc_number] => 20040223761 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-11-11 [patent_title] => 'Bidirectional transmitting and receiving device' [patent_app_type] => new [patent_app_number] => 10/797814 [patent_app_country] => US [patent_app_date] => 2004-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5933 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0223/20040223761.pdf [firstpage_image] =>[orig_patent_app_number] => 10797814 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/797814
Bidirectional transmitting and receiving device Mar 9, 2004 Abandoned
Array ( [id] => 7198744 [patent_doc_number] => 20050041971 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-02-24 [patent_title] => 'Multi-wavelength optical transmitter and bi-directional wavelength division multiplexing system using the same' [patent_app_type] => utility [patent_app_number] => 10/792322 [patent_app_country] => US [patent_app_date] => 2004-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3238 [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/A1/0041/20050041971.pdf [firstpage_image] =>[orig_patent_app_number] => 10792322 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/792322
Multi-wavelength optical transmitter and bi-directional wavelength division multiplexing system using the same Mar 2, 2004 Abandoned
Array ( [id] => 6944120 [patent_doc_number] => 20050196169 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-09-08 [patent_title] => 'System and method for communicating traffic between optical rings' [patent_app_type] => utility [patent_app_number] => 10/792004 [patent_app_country] => US [patent_app_date] => 2004-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7824 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0196/20050196169.pdf [firstpage_image] =>[orig_patent_app_number] => 10792004 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/792004
System and method for communicating traffic between optical rings Mar 2, 2004 Abandoned
Array ( [id] => 7401148 [patent_doc_number] => 20040175186 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-09-09 [patent_title] => 'Optical transmission module' [patent_app_type] => new [patent_app_number] => 10/790213 [patent_app_country] => US [patent_app_date] => 2004-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 7741 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0175/20040175186.pdf [firstpage_image] =>[orig_patent_app_number] => 10790213 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/790213
Optical transmission module Mar 1, 2004 Abandoned
Array ( [id] => 7340074 [patent_doc_number] => 20040190896 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-09-30 [patent_title] => 'Multi-directional optical branching apparatus' [patent_app_type] => new [patent_app_number] => 10/789998 [patent_app_country] => US [patent_app_date] => 2004-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 8458 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0190/20040190896.pdf [firstpage_image] =>[orig_patent_app_number] => 10789998 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/789998
Multi-directional optical branching apparatus Mar 1, 2004 Abandoned
Array ( [id] => 7198754 [patent_doc_number] => 20050041973 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-02-24 [patent_title] => 'Optical component provided with demultiplexing function and wavelength dispersion compensator' [patent_app_type] => utility [patent_app_number] => 10/790356 [patent_app_country] => US [patent_app_date] => 2004-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 5920 [patent_no_of_claims] => 11 [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/A1/0041/20050041973.pdf [firstpage_image] =>[orig_patent_app_number] => 10790356 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/790356
Optical component provided with demultiplexing function and wavelength dispersion compensator Mar 1, 2004 Issued
Array ( [id] => 187783 [patent_doc_number] => 07646981 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-01-12 [patent_title] => 'WDM systems and methods' [patent_app_type] => utility [patent_app_number] => 10/791365 [patent_app_country] => US [patent_app_date] => 2004-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 3738 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/646/07646981.pdf [firstpage_image] =>[orig_patent_app_number] => 10791365 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/791365
WDM systems and methods Feb 29, 2004 Issued
Array ( [id] => 7274484 [patent_doc_number] => 20040233935 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-11-25 [patent_title] => 'Photonic quantum information system using unpolarised light' [patent_app_type] => new [patent_app_number] => 10/786550 [patent_app_country] => US [patent_app_date] => 2004-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 16560 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0233/20040233935.pdf [firstpage_image] =>[orig_patent_app_number] => 10786550 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/786550
Photonic quantum information system using unpolarised light Feb 25, 2004 Issued
Array ( [id] => 7134838 [patent_doc_number] => 20050180316 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-08-18 [patent_title] => 'Protection for bi-directional optical wavelength division multiplexed communications networks' [patent_app_type] => utility [patent_app_number] => 10/776232 [patent_app_country] => US [patent_app_date] => 2004-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2807 [patent_no_of_claims] => 14 [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/A1/0180/20050180316.pdf [firstpage_image] =>[orig_patent_app_number] => 10776232 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/776232
Protection for bi-directional optical wavelength division multiplexed communications networks Feb 11, 2004 Abandoned
Array ( [id] => 6970734 [patent_doc_number] => 20050036444 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-02-17 [patent_title] => 'WDM bidirectional add/drop self-healing hubbed ring network' [patent_app_type] => utility [patent_app_number] => 10/771603 [patent_app_country] => US [patent_app_date] => 2004-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4634 [patent_no_of_claims] => 20 [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/A1/0036/20050036444.pdf [firstpage_image] =>[orig_patent_app_number] => 10771603 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/771603
WDM bidirectional add/drop self-healing hubbed ring network Feb 3, 2004 Abandoned
Array ( [id] => 5624584 [patent_doc_number] => 20060263089 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-11-23 [patent_title] => 'Output stage for carrying out wdm message transmission and methods for exchanging full light sources in an output stage of this type' [patent_app_type] => utility [patent_app_number] => 10/543730 [patent_app_country] => US [patent_app_date] => 2004-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4081 [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/A1/0263/20060263089.pdf [firstpage_image] =>[orig_patent_app_number] => 10543730 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/543730
Output stage for carrying out WDM message transmission and methods for exchanging full light sources in an output stage of this type Jan 20, 2004 Issued
Array ( [id] => 7424103 [patent_doc_number] => 20040161241 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-08-19 [patent_title] => 'Apparatus for compensating for dispersion and wavelength division multiplexing communications system using the apparatus' [patent_app_type] => new [patent_app_number] => 10/759838 [patent_app_country] => US [patent_app_date] => 2004-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5215 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0161/20040161241.pdf [firstpage_image] =>[orig_patent_app_number] => 10759838 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/759838
Apparatus for compensating for dispersion and wavelength division multiplexing communications system using the apparatus Jan 15, 2004 Abandoned
Array ( [id] => 7415883 [patent_doc_number] => 20040207656 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-10-21 [patent_title] => 'Apparatus and method for abstracting summarization video using shape information of object, and video summarization and indexing system and method using the same' [patent_app_type] => new [patent_app_number] => 10/482749 [patent_app_country] => US [patent_app_date] => 2003-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2939 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0207/20040207656.pdf [firstpage_image] =>[orig_patent_app_number] => 10482749 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/482749
Apparatus and method for abstracting summarization video using shape information of object, and video summarization and indexing system and method using the same Dec 29, 2003 Abandoned
Array ( [id] => 422940 [patent_doc_number] => 07274876 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-09-25 [patent_title] => 'Integrated electrical/optical hybrid communication system with revertive hitless switch' [patent_app_type] => utility [patent_app_number] => 10/735303 [patent_app_country] => US [patent_app_date] => 2003-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 10832 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 309 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/274/07274876.pdf [firstpage_image] =>[orig_patent_app_number] => 10735303 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/735303
Integrated electrical/optical hybrid communication system with revertive hitless switch Dec 11, 2003 Issued
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