Search

Christina Y. Leung

Examiner (ID: 5771)

Most Active Art Unit
2613
Art Unit(s)
3992, 3991, 2733, 2633, 2613
Total Applications
787
Issued Applications
499
Pending Applications
136
Abandoned Applications
156

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 6061668 [patent_doc_number] => 20020030878 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-03-14 [patent_title] => 'Modulator and method of modulating optical\ncarrier with clock signal before or after the\ncarrier is modulated with data pulse' [patent_app_type] => new [patent_app_number] => 09/948233 [patent_app_country] => US [patent_app_date] => 2001-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3207 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0030/20020030878.pdf [firstpage_image] =>[orig_patent_app_number] => 09948233 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/948233
Modulator and method of modulating optical carrier with clock signal before or after the carrier is modulated with data pulse Sep 6, 2001 Issued
Array ( [id] => 6999169 [patent_doc_number] => 20010053011 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-12-20 [patent_title] => 'Wavelength division multiplex optical star coupler, communication station, and optical transmission system' [patent_app_type] => new [patent_app_number] => 09/931111 [patent_app_country] => US [patent_app_date] => 2001-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 6793 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0053/20010053011.pdf [firstpage_image] =>[orig_patent_app_number] => 09931111 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/931111
Wavelength division multiplex optical star coupler, communication station, and optical transmission system Aug 16, 2001 Issued
Array ( [id] => 977858 [patent_doc_number] => 06934475 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-08-23 [patent_title] => 'Free-space optical communications using holographic conjugation' [patent_app_type] => utility [patent_app_number] => 09/931331 [patent_app_country] => US [patent_app_date] => 2001-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 17 [patent_no_of_words] => 5504 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/934/06934475.pdf [firstpage_image] =>[orig_patent_app_number] => 09931331 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/931331
Free-space optical communications using holographic conjugation Aug 15, 2001 Issued
Array ( [id] => 5204252 [patent_doc_number] => 20070025731 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-02-01 [patent_title] => 'OPTICAL SWITCH ROUTER' [patent_app_type] => utility [patent_app_number] => 09/931643 [patent_app_country] => US [patent_app_date] => 2001-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 7165 [patent_no_of_claims] => 52 [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/A1/0025/20070025731.pdf [firstpage_image] =>[orig_patent_app_number] => 09931643 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/931643
Optical switch router Aug 14, 2001 Issued
Array ( [id] => 6837823 [patent_doc_number] => 20030035163 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-02-20 [patent_title] => 'Optical channel monitor utilizing multiple fabry-perot filter pass-bands' [patent_app_type] => new [patent_app_number] => 09/929339 [patent_app_country] => US [patent_app_date] => 2001-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7875 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0035/20030035163.pdf [firstpage_image] =>[orig_patent_app_number] => 09929339 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/929339
Optical channel monitor utilizing multiple Fabry-Perot filter pass-bands Aug 14, 2001 Issued
Array ( [id] => 5813590 [patent_doc_number] => 20020039217 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-04-04 [patent_title] => 'Method of adaptive signal degradation compensation' [patent_app_type] => new [patent_app_number] => 09/927680 [patent_app_country] => US [patent_app_date] => 2001-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5342 [patent_no_of_claims] => 35 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0039/20020039217.pdf [firstpage_image] =>[orig_patent_app_number] => 09927680 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/927680
Method of adaptive signal degradation compensation Aug 9, 2001 Issued
Array ( [id] => 6030446 [patent_doc_number] => 20020018272 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-02-14 [patent_title] => 'Method of generating a clock signal of exact phase from an optical input signal and optical receiver therefor' [patent_app_type] => new [patent_app_number] => 09/923370 [patent_app_country] => US [patent_app_date] => 2001-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2037 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0018/20020018272.pdf [firstpage_image] =>[orig_patent_app_number] => 09923370 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/923370
Method of generating a clock signal of exact phase from an optical input signal and optical receiver therefor Aug 7, 2001 Issued
Array ( [id] => 6030442 [patent_doc_number] => 20020018271 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-02-14 [patent_title] => 'Automatic intermediate frequency stabilization control in optical signal transmission system' [patent_app_type] => new [patent_app_number] => 09/923331 [patent_app_country] => US [patent_app_date] => 2001-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 10965 [patent_no_of_claims] => 39 [patent_no_of_ind_claims] => 11 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0018/20020018271.pdf [firstpage_image] =>[orig_patent_app_number] => 09923331 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/923331
Automatic intermediate frequency stabilization control in optical signal transmission system Aug 7, 2001 Abandoned
Array ( [id] => 6687146 [patent_doc_number] => 20030030869 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-02-13 [patent_title] => 'Active real-time alignment system for optoelectronic (OE) devices' [patent_app_type] => new [patent_app_number] => 09/924317 [patent_app_country] => US [patent_app_date] => 2001-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3453 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0030/20030030869.pdf [firstpage_image] =>[orig_patent_app_number] => 09924317 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/924317
Active real-time alignment system for optoelectronic (OE) devices Aug 7, 2001 Abandoned
Array ( [id] => 737592 [patent_doc_number] => 07039319 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-05-02 [patent_title] => 'DWDM laser frequency control' [patent_app_type] => utility [patent_app_number] => 09/924746 [patent_app_country] => US [patent_app_date] => 2001-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2087 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/039/07039319.pdf [firstpage_image] =>[orig_patent_app_number] => 09924746 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/924746
DWDM laser frequency control Aug 6, 2001 Issued
Array ( [id] => 5841918 [patent_doc_number] => 20020131127 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-09-19 [patent_title] => 'Coherent wavelength-shift multiplexing apparatus' [patent_app_type] => new [patent_app_number] => 09/921761 [patent_app_country] => US [patent_app_date] => 2001-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 33 [patent_figures_cnt] => 33 [patent_no_of_words] => 22626 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0131/20020131127.pdf [firstpage_image] =>[orig_patent_app_number] => 09921761 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/921761
Coherent wavelength-shift multiplexing apparatus Aug 2, 2001 Abandoned
Array ( [id] => 6714618 [patent_doc_number] => 20030025966 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-02-06 [patent_title] => 'OSP hardened WDM network' [patent_app_type] => new [patent_app_number] => 09/922001 [patent_app_country] => US [patent_app_date] => 2001-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5101 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0025/20030025966.pdf [firstpage_image] =>[orig_patent_app_number] => 09922001 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/922001
OSP hardened WDM network Aug 2, 2001 Abandoned
Array ( [id] => 5841921 [patent_doc_number] => 20020131128 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-09-19 [patent_title] => 'Wavelength-shift multiplexing apparatus' [patent_app_type] => new [patent_app_number] => 09/922096 [patent_app_country] => US [patent_app_date] => 2001-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 33 [patent_figures_cnt] => 33 [patent_no_of_words] => 22630 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0131/20020131128.pdf [firstpage_image] =>[orig_patent_app_number] => 09922096 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/922096
Wavelength-shift multiplexing apparatus Aug 2, 2001 Abandoned
Array ( [id] => 6586764 [patent_doc_number] => 20020015202 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-02-07 [patent_title] => 'Wavelength division multiplexing optical transmission method and system' [patent_app_type] => new [patent_app_number] => 09/918438 [patent_app_country] => US [patent_app_date] => 2001-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 3414 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0015/20020015202.pdf [firstpage_image] =>[orig_patent_app_number] => 09918438 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/918438
Wavelength division multiplexing optical transmission method and system Jul 31, 2001 Issued
Array ( [id] => 742881 [patent_doc_number] => 07035537 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-04-25 [patent_title] => 'Method for wavelength switch network restoration' [patent_app_type] => utility [patent_app_number] => 09/896813 [patent_app_country] => US [patent_app_date] => 2001-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5457 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/035/07035537.pdf [firstpage_image] =>[orig_patent_app_number] => 09896813 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/896813
Method for wavelength switch network restoration Jun 28, 2001 Issued
Array ( [id] => 7064095 [patent_doc_number] => 20010043381 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-11-22 [patent_title] => 'Optical free space signalling system' [patent_app_type] => new [patent_app_number] => 09/892511 [patent_app_country] => US [patent_app_date] => 2001-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 8237 [patent_no_of_claims] => 80 [patent_no_of_ind_claims] => 41 [patent_words_short_claim] => 16 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0043/20010043381.pdf [firstpage_image] =>[orig_patent_app_number] => 09892511 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/892511
Optical free space signalling system Jun 27, 2001 Abandoned
Array ( [id] => 1205655 [patent_doc_number] => 06721510 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-04-13 [patent_title] => 'Atmospheric optical data transmission system' [patent_app_type] => B2 [patent_app_number] => 09/892913 [patent_app_country] => US [patent_app_date] => 2001-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 25 [patent_no_of_words] => 12079 [patent_no_of_claims] => 56 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/721/06721510.pdf [firstpage_image] =>[orig_patent_app_number] => 09892913 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/892913
Atmospheric optical data transmission system Jun 25, 2001 Issued
Array ( [id] => 1228087 [patent_doc_number] => 06701091 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-03-02 [patent_title] => 'IR receiver using IR transmitting diode' [patent_app_type] => B2 [patent_app_number] => 09/888240 [patent_app_country] => US [patent_app_date] => 2001-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 3215 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/701/06701091.pdf [firstpage_image] =>[orig_patent_app_number] => 09888240 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/888240
IR receiver using IR transmitting diode Jun 21, 2001 Issued
Array ( [id] => 1055272 [patent_doc_number] => 06859623 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-02-22 [patent_title] => 'Wavelength allocation scheme and WDM equipment' [patent_app_type] => utility [patent_app_number] => 09/880752 [patent_app_country] => US [patent_app_date] => 2001-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 1244 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/859/06859623.pdf [firstpage_image] =>[orig_patent_app_number] => 09880752 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/880752
Wavelength allocation scheme and WDM equipment Jun 14, 2001 Issued
Array ( [id] => 6239371 [patent_doc_number] => 20020044316 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-04-18 [patent_title] => 'Signal power allocation apparatus and method' [patent_app_type] => new [patent_app_number] => 09/881651 [patent_app_country] => US [patent_app_date] => 2001-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 60 [patent_figures_cnt] => 60 [patent_no_of_words] => 28819 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0044/20020044316.pdf [firstpage_image] =>[orig_patent_app_number] => 09881651 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/881651
Signal power allocation apparatus and method Jun 12, 2001 Abandoned
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