Search

Christina Y. Leung

Examiner (ID: 6971, Phone: (571)272-3023 , Office: P/3992 )

Most Active Art Unit
2613
Art Unit(s)
3992, 2733, 2633, 2613, 3991
Total Applications
746
Issued Applications
498
Pending Applications
101
Abandoned Applications
156

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 7610272 [patent_doc_number] => 06842587 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2005-01-11 [patent_title] => 'Use of amplified spontaneous emission from a semiconductor optical amplifier to minimize channel interference during initialization of an externally modulated DWDM transmitter' [patent_app_type] => utility [patent_app_number] => 09/538224 [patent_app_country] => US [patent_app_date] => 2000-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 3946 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/842/06842587.pdf [firstpage_image] =>[orig_patent_app_number] => 09538224 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/538224
Use of amplified spontaneous emission from a semiconductor optical amplifier to minimize channel interference during initialization of an externally modulated DWDM transmitter Mar 29, 2000 Issued
Array ( [id] => 747284 [patent_doc_number] => 07031607 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-04-18 [patent_title] => 'MPLS application to optical cross-connect using wavelength as a label' [patent_app_type] => utility [patent_app_number] => 09/536020 [patent_app_country] => US [patent_app_date] => 2000-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 4042 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/031/07031607.pdf [firstpage_image] =>[orig_patent_app_number] => 09536020 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/536020
MPLS application to optical cross-connect using wavelength as a label Mar 26, 2000 Issued
Array ( [id] => 665982 [patent_doc_number] => 07103281 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-09-05 [patent_title] => 'Communications network' [patent_app_type] => utility [patent_app_number] => 09/936049 [patent_app_country] => US [patent_app_date] => 2000-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 10186 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/103/07103281.pdf [firstpage_image] =>[orig_patent_app_number] => 09936049 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/936049
Communications network Mar 26, 2000 Issued
Array ( [id] => 1175273 [patent_doc_number] => 06760552 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-07-06 [patent_title] => 'Optical receiving circuit and optical communication device' [patent_app_type] => B1 [patent_app_number] => 09/532420 [patent_app_country] => US [patent_app_date] => 2000-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 6436 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/760/06760552.pdf [firstpage_image] =>[orig_patent_app_number] => 09532420 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/532420
Optical receiving circuit and optical communication device Mar 22, 2000 Issued
Array ( [id] => 769769 [patent_doc_number] => 07010231 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-03-07 [patent_title] => 'System and method of high-speed transmission and appropriate transmission apparatus' [patent_app_type] => utility [patent_app_number] => 09/497694 [patent_app_country] => US [patent_app_date] => 2000-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 13 [patent_no_of_words] => 9274 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/010/07010231.pdf [firstpage_image] =>[orig_patent_app_number] => 09497694 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/497694
System and method of high-speed transmission and appropriate transmission apparatus Feb 2, 2000 Issued
Array ( [id] => 1228071 [patent_doc_number] => 06701085 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-03-02 [patent_title] => 'Method and apparatus for data transmission in the wavelength-division multiplex method in an optical ring network' [patent_app_type] => B1 [patent_app_number] => 09/463528 [patent_app_country] => US [patent_app_date] => 2000-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3267 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/701/06701085.pdf [firstpage_image] =>[orig_patent_app_number] => 09463528 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/463528
Method and apparatus for data transmission in the wavelength-division multiplex method in an optical ring network Jan 22, 2000 Issued
Array ( [id] => 7962703 [patent_doc_number] => 06681080 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-01-20 [patent_title] => 'Wake-up circuit for an electronic apparatus' [patent_app_type] => B1 [patent_app_number] => 09/462617 [patent_app_country] => US [patent_app_date] => 2000-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 8 [patent_no_of_words] => 2352 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/681/06681080.pdf [firstpage_image] =>[orig_patent_app_number] => 09462617 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/462617
Wake-up circuit for an electronic apparatus Jan 9, 2000 Issued
Array ( [id] => 1270106 [patent_doc_number] => 06661976 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-12-09 [patent_title] => 'Method and system for single-sideband optical signal generation and transmission' [patent_app_type] => B1 [patent_app_number] => 09/477816 [patent_app_country] => US [patent_app_date] => 2000-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 14 [patent_no_of_words] => 4902 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/661/06661976.pdf [firstpage_image] =>[orig_patent_app_number] => 09477816 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/477816
Method and system for single-sideband optical signal generation and transmission Jan 4, 2000 Issued
Array ( [id] => 1300815 [patent_doc_number] => 06616349 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-09-09 [patent_title] => 'Two-fiber interconnected ring architecture' [patent_app_type] => B1 [patent_app_number] => 09/467748 [patent_app_country] => US [patent_app_date] => 1999-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 32 [patent_no_of_words] => 4096 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/616/06616349.pdf [firstpage_image] =>[orig_patent_app_number] => 09467748 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/467748
Two-fiber interconnected ring architecture Dec 19, 1999 Issued
Array ( [id] => 1357660 [patent_doc_number] => 06583902 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-06-24 [patent_title] => 'Modular fiber-optic transceiver' [patent_app_type] => B1 [patent_app_number] => 09/459421 [patent_app_country] => US [patent_app_date] => 1999-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 5199 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/583/06583902.pdf [firstpage_image] =>[orig_patent_app_number] => 09459421 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/459421
Modular fiber-optic transceiver Dec 8, 1999 Issued
Array ( [id] => 1282213 [patent_doc_number] => 06634811 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-10-21 [patent_title] => 'High performance optical link' [patent_app_type] => B1 [patent_app_number] => 09/451417 [patent_app_country] => US [patent_app_date] => 1999-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2785 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 279 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/634/06634811.pdf [firstpage_image] =>[orig_patent_app_number] => 09451417 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/451417
High performance optical link Nov 29, 1999 Issued
Array ( [id] => 1166839 [patent_doc_number] => 06763193 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-07-13 [patent_title] => 'Optical communication system optically combining both baseband and passband signals' [patent_app_type] => B1 [patent_app_number] => 09/450823 [patent_app_country] => US [patent_app_date] => 1999-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 16 [patent_no_of_words] => 4328 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/763/06763193.pdf [firstpage_image] =>[orig_patent_app_number] => 09450823 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/450823
Optical communication system optically combining both baseband and passband signals Nov 28, 1999 Issued
Array ( [id] => 1414630 [patent_doc_number] => 06538780 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-03-25 [patent_title] => 'Apparatus and method for reducing the number of control elements for crosstalk reduction devices in an optical switching network' [patent_app_type] => B1 [patent_app_number] => 09/439016 [patent_app_country] => US [patent_app_date] => 1999-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3584 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/538/06538780.pdf [firstpage_image] =>[orig_patent_app_number] => 09439016 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/439016
Apparatus and method for reducing the number of control elements for crosstalk reduction devices in an optical switching network Nov 11, 1999 Issued
Array ( [id] => 1546227 [patent_doc_number] => 06373606 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-04-16 [patent_title] => 'Optical demultiplexer' [patent_app_type] => B1 [patent_app_number] => 09/437953 [patent_app_country] => US [patent_app_date] => 1999-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3541 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/373/06373606.pdf [firstpage_image] =>[orig_patent_app_number] => 09437953 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/437953
Optical demultiplexer Nov 9, 1999 Issued
Array ( [id] => 1510974 [patent_doc_number] => 06441939 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-08-27 [patent_title] => 'Device and method for regenerating a train of solitons' [patent_app_type] => B1 [patent_app_number] => 09/403622 [patent_app_country] => US [patent_app_date] => 1999-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3415 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/441/06441939.pdf [firstpage_image] =>[orig_patent_app_number] => 09403622 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/403622
Device and method for regenerating a train of solitons Nov 4, 1999 Issued
Array ( [id] => 1460807 [patent_doc_number] => 06426814 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-07-30 [patent_title] => 'Spatially switched router for wireless data packets' [patent_app_type] => B1 [patent_app_number] => 09/433542 [patent_app_country] => US [patent_app_date] => 1999-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6927 [patent_no_of_claims] => 44 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/426/06426814.pdf [firstpage_image] =>[orig_patent_app_number] => 09433542 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/433542
Spatially switched router for wireless data packets Nov 2, 1999 Issued
Array ( [id] => 1425321 [patent_doc_number] => 06509989 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-01-21 [patent_title] => 'Module for bidirectional optical communication' [patent_app_type] => B1 [patent_app_number] => 09/431229 [patent_app_country] => US [patent_app_date] => 1999-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 4247 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 385 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/509/06509989.pdf [firstpage_image] =>[orig_patent_app_number] => 09431229 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/431229
Module for bidirectional optical communication Oct 31, 1999 Issued
Array ( [id] => 1414698 [patent_doc_number] => 06538784 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-03-25 [patent_title] => 'Multicast-capable optical cross-connect with layered modularity' [patent_app_type] => B1 [patent_app_number] => 09/387527 [patent_app_country] => US [patent_app_date] => 1999-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 25 [patent_no_of_words] => 4233 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/538/06538784.pdf [firstpage_image] =>[orig_patent_app_number] => 09387527 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/387527
Multicast-capable optical cross-connect with layered modularity Aug 31, 1999 Issued
Array ( [id] => 4417354 [patent_doc_number] => 06310703 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-10-30 [patent_title] => 'Method and apparatus for optical performance monitoring in wavelength division multiplexed fiber optical systems' [patent_app_type] => 1 [patent_app_number] => 9/384224 [patent_app_country] => US [patent_app_date] => 1999-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 3104 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/310/06310703.pdf [firstpage_image] =>[orig_patent_app_number] => 384224 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/384224
Method and apparatus for optical performance monitoring in wavelength division multiplexed fiber optical systems Aug 26, 1999 Issued
Array ( [id] => 4297200 [patent_doc_number] => 06268943 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-07-31 [patent_title] => 'Optical SNR measurer in WDM optical transmitting device' [patent_app_type] => 1 [patent_app_number] => 9/342048 [patent_app_country] => US [patent_app_date] => 1999-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2499 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/268/06268943.pdf [firstpage_image] =>[orig_patent_app_number] => 342048 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/342048
Optical SNR measurer in WDM optical transmitting device Jun 27, 1999 Issued
Menu