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] => 4345145 [patent_doc_number] => 06333801 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-12-25 [patent_title] => 'Electronic equipment for optical communication capable of saving power' [patent_app_type] => 1 [patent_app_number] => 9/207199 [patent_app_country] => US [patent_app_date] => 1998-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3081 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/333/06333801.pdf [firstpage_image] =>[orig_patent_app_number] => 207199 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/207199
Electronic equipment for optical communication capable of saving power Dec 7, 1998 Issued
Array ( [id] => 1387591 [patent_doc_number] => 06563613 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-05-13 [patent_title] => 'Optical subscriber network, and delay measurement method' [patent_app_type] => B1 [patent_app_number] => 09/203099 [patent_app_country] => US [patent_app_date] => 1998-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 14 [patent_no_of_words] => 7352 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/563/06563613.pdf [firstpage_image] =>[orig_patent_app_number] => 09203099 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/203099
Optical subscriber network, and delay measurement method Dec 1, 1998 Issued
Array ( [id] => 1472964 [patent_doc_number] => 06407837 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-06-18 [patent_title] => 'Use of bandwidth efficient modulation techniques in a wavelength division multiplexed optical link' [patent_app_type] => B1 [patent_app_number] => 09/200029 [patent_app_country] => US [patent_app_date] => 1998-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 1823 [patent_no_of_claims] => 15 [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/06/407/06407837.pdf [firstpage_image] =>[orig_patent_app_number] => 09200029 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/200029
Use of bandwidth efficient modulation techniques in a wavelength division multiplexed optical link Nov 24, 1998 Issued
Array ( [id] => 1477952 [patent_doc_number] => 06388781 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-05-14 [patent_title] => 'Apparatus for time division/wave division conversion' [patent_app_type] => B1 [patent_app_number] => 09/199479 [patent_app_country] => US [patent_app_date] => 1998-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 1871 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/388/06388781.pdf [firstpage_image] =>[orig_patent_app_number] => 09199479 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/199479
Apparatus for time division/wave division conversion Nov 24, 1998 Issued
Array ( [id] => 1564671 [patent_doc_number] => 06362903 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-03-26 [patent_title] => 'Use of higher order modulation techniques to transmit information on passbands of a dispersion-limited fiber link' [patent_app_type] => B1 [patent_app_number] => 09/183183 [patent_app_country] => US [patent_app_date] => 1998-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2016 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/362/06362903.pdf [firstpage_image] =>[orig_patent_app_number] => 09183183 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/183183
Use of higher order modulation techniques to transmit information on passbands of a dispersion-limited fiber link Oct 29, 1998 Issued
Array ( [id] => 4284954 [patent_doc_number] => 06323981 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-11-27 [patent_title] => 'Method and apparatus for detecting intermittent faults in an optical communication system' [patent_app_type] => 1 [patent_app_number] => 9/182742 [patent_app_country] => US [patent_app_date] => 1998-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2902 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/323/06323981.pdf [firstpage_image] =>[orig_patent_app_number] => 182742 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/182742
Method and apparatus for detecting intermittent faults in an optical communication system Oct 28, 1998 Issued
Array ( [id] => 1589583 [patent_doc_number] => 06359713 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-03-19 [patent_title] => 'System for open fiber control propagation multi-link fiberoptic connections' [patent_app_type] => B1 [patent_app_number] => 09/181134 [patent_app_country] => US [patent_app_date] => 1998-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 5715 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/359/06359713.pdf [firstpage_image] =>[orig_patent_app_number] => 09181134 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/181134
System for open fiber control propagation multi-link fiberoptic connections Oct 27, 1998 Issued
Array ( [id] => 1437453 [patent_doc_number] => 06356367 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-03-12 [patent_title] => 'Open fiber control propagation in multi-link fiberoptic connections' [patent_app_type] => B1 [patent_app_number] => 09/181133 [patent_app_country] => US [patent_app_date] => 1998-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 5764 [patent_no_of_claims] => 13 [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/06/356/06356367.pdf [firstpage_image] =>[orig_patent_app_number] => 09181133 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/181133
Open fiber control propagation in multi-link fiberoptic connections Oct 27, 1998 Issued
Array ( [id] => 1589560 [patent_doc_number] => 06359709 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-03-19 [patent_title] => 'Method for open fiber control propagation in multi-link fiberoptic connections' [patent_app_type] => B1 [patent_app_number] => 09/181427 [patent_app_country] => US [patent_app_date] => 1998-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 5711 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/359/06359709.pdf [firstpage_image] =>[orig_patent_app_number] => 09181427 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/181427
Method for open fiber control propagation in multi-link fiberoptic connections Oct 27, 1998 Issued
Array ( [id] => 4391244 [patent_doc_number] => 06304351 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-10-16 [patent_title] => 'Universal branching unit' [patent_app_type] => 1 [patent_app_number] => 9/181424 [patent_app_country] => US [patent_app_date] => 1998-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 4310 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 260 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/304/06304351.pdf [firstpage_image] =>[orig_patent_app_number] => 181424 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/181424
Universal branching unit Oct 27, 1998 Issued
Array ( [id] => 1563688 [patent_doc_number] => 06437891 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-08-20 [patent_title] => 'Integrated dual-wavelength transceiver' [patent_app_type] => B1 [patent_app_number] => 09/179673 [patent_app_country] => US [patent_app_date] => 1998-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 2746 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/437/06437891.pdf [firstpage_image] =>[orig_patent_app_number] => 09179673 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/179673
Integrated dual-wavelength transceiver Oct 26, 1998 Issued
09/181043 WIRELESS COMMUNICATION NETWORK Oct 26, 1998 Abandoned
Array ( [id] => 4391321 [patent_doc_number] => 06304356 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-10-16 [patent_title] => 'Optical transmitter for reducing impulse noise in a fiber optic link' [patent_app_type] => 1 [patent_app_number] => 9/179285 [patent_app_country] => US [patent_app_date] => 1998-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2365 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/304/06304356.pdf [firstpage_image] =>[orig_patent_app_number] => 179285 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/179285
Optical transmitter for reducing impulse noise in a fiber optic link Oct 26, 1998 Issued
Array ( [id] => 7639303 [patent_doc_number] => 06396614 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-05-28 [patent_title] => 'Optical signal receiving circuit and method for receiving optical signal' [patent_app_type] => B1 [patent_app_number] => 09/178812 [patent_app_country] => US [patent_app_date] => 1998-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 2342 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 7 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/396/06396614.pdf [firstpage_image] =>[orig_patent_app_number] => 09178812 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/178812
Optical signal receiving circuit and method for receiving optical signal Oct 25, 1998 Issued
Array ( [id] => 1427474 [patent_doc_number] => 06507424 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-01-14 [patent_title] => 'Optical space communication apparatus' [patent_app_type] => B2 [patent_app_number] => 09/176333 [patent_app_country] => US [patent_app_date] => 1998-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 4271 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 287 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/507/06507424.pdf [firstpage_image] =>[orig_patent_app_number] => 09176333 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/176333
Optical space communication apparatus Oct 21, 1998 Issued
Array ( [id] => 1506920 [patent_doc_number] => 06466348 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-10-15 [patent_title] => 'Trunk apparatus of a wavelength-division-multiplexing communication system for controlling a gain of an optical amplifier provided therein' [patent_app_type] => B1 [patent_app_number] => 09/177132 [patent_app_country] => US [patent_app_date] => 1998-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 31 [patent_no_of_words] => 11930 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/466/06466348.pdf [firstpage_image] =>[orig_patent_app_number] => 09177132 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/177132
Trunk apparatus of a wavelength-division-multiplexing communication system for controlling a gain of an optical amplifier provided therein Oct 21, 1998 Issued
Array ( [id] => 1503918 [patent_doc_number] => 06486992 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-11-26 [patent_title] => 'Modulating and demodulating method and transmitting method of control apparatus and control apparatus' [patent_app_type] => B1 [patent_app_number] => 09/174843 [patent_app_country] => US [patent_app_date] => 1998-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 40 [patent_no_of_words] => 11795 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/486/06486992.pdf [firstpage_image] =>[orig_patent_app_number] => 09174843 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/174843
Modulating and demodulating method and transmitting method of control apparatus and control apparatus Oct 18, 1998 Issued
Array ( [id] => 6303203 [patent_doc_number] => 20020093709 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-07-18 [patent_title] => 'OPTICAL FIBER SUBSCRIBER NETWORK' [patent_app_type] => new [patent_app_number] => 09/152798 [patent_app_country] => US [patent_app_date] => 1998-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4357 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0093/20020093709.pdf [firstpage_image] =>[orig_patent_app_number] => 09152798 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/152798
Optical fiber subscriber network Sep 13, 1998 Issued
Array ( [id] => 4417811 [patent_doc_number] => 06301036 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-10-09 [patent_title] => 'optical signal transmission network with fiber-break detection' [patent_app_type] => 1 [patent_app_number] => 9/091489 [patent_app_country] => US [patent_app_date] => 1998-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3159 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/301/06301036.pdf [firstpage_image] =>[orig_patent_app_number] => 091489 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/091489
optical signal transmission network with fiber-break detection Sep 10, 1998 Issued
Array ( [id] => 1563692 [patent_doc_number] => 06437892 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-08-20 [patent_title] => 'System for reducing the influence of polarization mode dispersion in high-speed fiber optic transmission channels' [patent_app_type] => B1 [patent_app_number] => 09/150034 [patent_app_country] => US [patent_app_date] => 1998-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3966 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 13 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/437/06437892.pdf [firstpage_image] =>[orig_patent_app_number] => 09150034 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/150034
System for reducing the influence of polarization mode dispersion in high-speed fiber optic transmission channels Sep 8, 1998 Issued
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