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] => 1426774 [patent_doc_number] => 06519064 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-02-11 [patent_title] => 'Scalable add/drop architecture for lightwave communication system' [patent_app_type] => B1 [patent_app_number] => 09/336543 [patent_app_country] => US [patent_app_date] => 1999-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 14 [patent_no_of_words] => 5774 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/519/06519064.pdf [firstpage_image] =>[orig_patent_app_number] => 09336543 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/336543
Scalable add/drop architecture for lightwave communication system Jun 18, 1999 Issued
Array ( [id] => 7646571 [patent_doc_number] => 06476948 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-11-05 [patent_title] => 'Accurate synchronizing device' [patent_app_type] => B1 [patent_app_number] => 09/308652 [patent_app_country] => US [patent_app_date] => 1999-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4219 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/476/06476948.pdf [firstpage_image] =>[orig_patent_app_number] => 09308652 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/308652
Accurate synchronizing device Jun 16, 1999 Issued
Array ( [id] => 4405990 [patent_doc_number] => 06297896 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-10-02 [patent_title] => 'Optical switch and optical communication system using the same' [patent_app_type] => 1 [patent_app_number] => 9/334526 [patent_app_country] => US [patent_app_date] => 1999-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 4588 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 336 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/297/06297896.pdf [firstpage_image] =>[orig_patent_app_number] => 334526 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/334526
Optical switch and optical communication system using the same Jun 15, 1999 Issued
Array ( [id] => 547224 [patent_doc_number] => 07181138 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2007-02-20 [patent_title] => 'Optical network connection test apparatus and methods' [patent_app_type] => utility [patent_app_number] => 09/332046 [patent_app_country] => US [patent_app_date] => 1999-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 15 [patent_no_of_words] => 3269 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/181/07181138.pdf [firstpage_image] =>[orig_patent_app_number] => 09332046 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/332046
Optical network connection test apparatus and methods Jun 13, 1999 Issued
Array ( [id] => 1270083 [patent_doc_number] => 06661973 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-12-09 [patent_title] => 'Optical transmission systems, apparatuses, and methods' [patent_app_type] => B1 [patent_app_number] => 09/326748 [patent_app_country] => US [patent_app_date] => 1999-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 4164 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/661/06661973.pdf [firstpage_image] =>[orig_patent_app_number] => 09326748 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/326748
Optical transmission systems, apparatuses, and methods Jun 3, 1999 Issued
Array ( [id] => 1523125 [patent_doc_number] => 06414773 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-07-02 [patent_title] => 'Optical digital communication apparatus' [patent_app_type] => B1 [patent_app_number] => 09/323947 [patent_app_country] => US [patent_app_date] => 1999-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 10550 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/414/06414773.pdf [firstpage_image] =>[orig_patent_app_number] => 09323947 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/323947
Optical digital communication apparatus Jun 1, 1999 Issued
Array ( [id] => 1549593 [patent_doc_number] => 06445474 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-09-03 [patent_title] => 'Optical transmitter using two or more optical sources' [patent_app_type] => B1 [patent_app_number] => 09/321326 [patent_app_country] => US [patent_app_date] => 1999-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2523 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/445/06445474.pdf [firstpage_image] =>[orig_patent_app_number] => 09321326 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/321326
Optical transmitter using two or more optical sources May 26, 1999 Issued
Array ( [id] => 1333079 [patent_doc_number] => 06585431 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-07-01 [patent_title] => 'Noncontact information transmitter' [patent_app_type] => B1 [patent_app_number] => 09/320526 [patent_app_country] => US [patent_app_date] => 1999-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 13 [patent_no_of_words] => 7902 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/585/06585431.pdf [firstpage_image] =>[orig_patent_app_number] => 09320526 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/320526
Noncontact information transmitter May 25, 1999 Issued
Array ( [id] => 1498766 [patent_doc_number] => 06404527 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-06-11 [patent_title] => 'Method and apparatus for transmitting a response signal from an optical repeater to a terminal requesting status information' [patent_app_type] => B1 [patent_app_number] => 09/301437 [patent_app_country] => US [patent_app_date] => 1999-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2576 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/404/06404527.pdf [firstpage_image] =>[orig_patent_app_number] => 09301437 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/301437
Method and apparatus for transmitting a response signal from an optical repeater to a terminal requesting status information Apr 27, 1999 Issued
Array ( [id] => 1530847 [patent_doc_number] => 06480314 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-11-12 [patent_title] => 'Optical transmitter' [patent_app_type] => B1 [patent_app_number] => 09/300828 [patent_app_country] => US [patent_app_date] => 1999-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 10296 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/480/06480314.pdf [firstpage_image] =>[orig_patent_app_number] => 09300828 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/300828
Optical transmitter Apr 26, 1999 Issued
Array ( [id] => 1407909 [patent_doc_number] => 06545780 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-04-08 [patent_title] => 'Wavelength allocation method, a transmission equipment and receiving equipment using this method and a wavelength division multiplex transmission system' [patent_app_type] => B1 [patent_app_number] => 09/295452 [patent_app_country] => US [patent_app_date] => 1999-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 5349 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 290 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/545/06545780.pdf [firstpage_image] =>[orig_patent_app_number] => 09295452 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/295452
Wavelength allocation method, a transmission equipment and receiving equipment using this method and a wavelength division multiplex transmission system Apr 20, 1999 Issued
Array ( [id] => 7646569 [patent_doc_number] => 06476950 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-11-05 [patent_title] => 'Method for optical signal transmission with chromatic dispersion compensation through chirped optical fibre gratings, and optical communication system using the method' [patent_app_type] => B1 [patent_app_number] => 09/294825 [patent_app_country] => US [patent_app_date] => 1999-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 3315 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 11 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/476/06476950.pdf [firstpage_image] =>[orig_patent_app_number] => 09294825 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/294825
Method for optical signal transmission with chromatic dispersion compensation through chirped optical fibre gratings, and optical communication system using the method Apr 18, 1999 Issued
Array ( [id] => 1284033 [patent_doc_number] => 06632033 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-10-14 [patent_title] => 'Ultra-short reach optical communications system and method of manufacture' [patent_app_type] => B1 [patent_app_number] => 09/291223 [patent_app_country] => US [patent_app_date] => 1999-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 14 [patent_no_of_words] => 5559 [patent_no_of_claims] => 17 [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/06/632/06632033.pdf [firstpage_image] =>[orig_patent_app_number] => 09291223 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/291223
Ultra-short reach optical communications system and method of manufacture Apr 12, 1999 Issued
Array ( [id] => 1317659 [patent_doc_number] => 06602000 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-08-05 [patent_title] => 'Reconfigurable add/drop for optical fiber communication systems' [patent_app_type] => B1 [patent_app_number] => 09/288202 [patent_app_country] => US [patent_app_date] => 1999-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1496 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/602/06602000.pdf [firstpage_image] =>[orig_patent_app_number] => 09288202 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/288202
Reconfigurable add/drop for optical fiber communication systems Apr 7, 1999 Issued
Array ( [id] => 1235354 [patent_doc_number] => 06694104 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-02-17 [patent_title] => 'Variable-rate communication system with optimal filtering' [patent_app_type] => B1 [patent_app_number] => 09/261628 [patent_app_country] => US [patent_app_date] => 1999-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 7883 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/694/06694104.pdf [firstpage_image] =>[orig_patent_app_number] => 09261628 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/261628
Variable-rate communication system with optimal filtering Mar 2, 1999 Issued
Array ( [id] => 1554721 [patent_doc_number] => 06400483 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-06-04 [patent_title] => 'Optical signal transmission with thermooptically controlled optical switching' [patent_app_type] => B1 [patent_app_number] => 09/261516 [patent_app_country] => US [patent_app_date] => 1999-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 3430 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/400/06400483.pdf [firstpage_image] =>[orig_patent_app_number] => 09261516 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/261516
Optical signal transmission with thermooptically controlled optical switching Mar 1, 1999 Issued
Array ( [id] => 1582003 [patent_doc_number] => 06449069 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-09-10 [patent_title] => 'Optical transmission equipment and method of transmitting an optical signal' [patent_app_type] => B1 [patent_app_number] => 09/260819 [patent_app_country] => US [patent_app_date] => 1999-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 17 [patent_no_of_words] => 4081 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/449/06449069.pdf [firstpage_image] =>[orig_patent_app_number] => 09260819 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/260819
Optical transmission equipment and method of transmitting an optical signal Mar 1, 1999 Issued
Array ( [id] => 1340828 [patent_doc_number] => 06597482 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-07-22 [patent_title] => 'Multiplexing/demultiplexing apparatus for wavelength division multiplexed system and wavelength division multiplexed passive optical subscriber networks using the same apparatus' [patent_app_type] => B1 [patent_app_number] => 09/250212 [patent_app_country] => US [patent_app_date] => 1999-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3163 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 531 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/597/06597482.pdf [firstpage_image] =>[orig_patent_app_number] => 09250212 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/250212
Multiplexing/demultiplexing apparatus for wavelength division multiplexed system and wavelength division multiplexed passive optical subscriber networks using the same apparatus Feb 14, 1999 Issued
Array ( [id] => 1520221 [patent_doc_number] => 06501578 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-12-31 [patent_title] => 'Apparatus and method for line of sight laser communications' [patent_app_type] => B1 [patent_app_number] => 09/215420 [patent_app_country] => US [patent_app_date] => 1998-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2178 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/501/06501578.pdf [firstpage_image] =>[orig_patent_app_number] => 09215420 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/215420
Apparatus and method for line of sight laser communications Dec 17, 1998 Issued
Array ( [id] => 1496218 [patent_doc_number] => 06342960 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-01-29 [patent_title] => 'Wavelength division multiplex transmitter' [patent_app_type] => B1 [patent_app_number] => 09/215069 [patent_app_country] => US [patent_app_date] => 1998-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 3785 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/342/06342960.pdf [firstpage_image] =>[orig_patent_app_number] => 09215069 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/215069
Wavelength division multiplex transmitter Dec 17, 1998 Issued
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