Search

Liban M. Hassan

Examiner (ID: 440, Phone: (571)270-7636 , Office: P/1799 )

Most Active Art Unit
1799
Art Unit(s)
1799, 1775
Total Applications
537
Issued Applications
220
Pending Applications
101
Abandoned Applications
239

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20506785 [patent_doc_number] => 12541060 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-03 [patent_title] => Optical communication devices with selective signal preclusion [patent_app_type] => utility [patent_app_number] => 17/900490 [patent_app_country] => US [patent_app_date] => 2022-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2147 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17900490 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/900490
Optical communication devices with selective signal preclusion Aug 30, 2022 Issued
Array ( [id] => 18944488 [patent_doc_number] => 20240039627 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-01 [patent_title] => SYSTEMS AND METHODS FOR IDENTIFYING FIBER LINK FAILURES IN AN OPTICAL NETWORK [patent_app_type] => utility [patent_app_number] => 17/896877 [patent_app_country] => US [patent_app_date] => 2022-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8522 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17896877 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/896877
Systems and methods for identifying fiber link failures in an optical network Aug 25, 2022 Issued
Array ( [id] => 19315564 [patent_doc_number] => 12041397 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-07-16 [patent_title] => Switch [patent_app_type] => utility [patent_app_number] => 17/896668 [patent_app_country] => US [patent_app_date] => 2022-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3581 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17896668 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/896668
Switch Aug 25, 2022 Issued
Array ( [id] => 18984932 [patent_doc_number] => 11910136 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-20 [patent_title] => Test instruments and methods for emulating optical network terminal (ONT) devices and testing optical networks based on the emulation [patent_app_type] => utility [patent_app_number] => 17/890138 [patent_app_country] => US [patent_app_date] => 2022-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 17 [patent_no_of_words] => 12980 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 271 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17890138 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/890138
Test instruments and methods for emulating optical network terminal (ONT) devices and testing optical networks based on the emulation Aug 16, 2022 Issued
Array ( [id] => 19295115 [patent_doc_number] => 12034485 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-07-09 [patent_title] => Coherent optical breakout [patent_app_type] => utility [patent_app_number] => 17/863968 [patent_app_country] => US [patent_app_date] => 2022-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 24 [patent_no_of_words] => 5616 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17863968 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/863968
Coherent optical breakout Jul 12, 2022 Issued
Array ( [id] => 18875469 [patent_doc_number] => 11863297 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-01-02 [patent_title] => Systems and methods for carrier phase recovery [patent_app_type] => utility [patent_app_number] => 17/861613 [patent_app_country] => US [patent_app_date] => 2022-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 48 [patent_no_of_words] => 23659 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17861613 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/861613
Systems and methods for carrier phase recovery Jul 10, 2022 Issued
Array ( [id] => 19539965 [patent_doc_number] => 12132525 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-29 [patent_title] => Power management method and apparatus of ONU supporting slicing function [patent_app_type] => utility [patent_app_number] => 17/860219 [patent_app_country] => US [patent_app_date] => 2022-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5317 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17860219 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/860219
Power management method and apparatus of ONU supporting slicing function Jul 7, 2022 Issued
Array ( [id] => 18548854 [patent_doc_number] => 11722217 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-08 [patent_title] => Method and apparatus for obtaining ODN logical topology information, device, and storage medium [patent_app_type] => utility [patent_app_number] => 17/859029 [patent_app_country] => US [patent_app_date] => 2022-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 12471 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17859029 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/859029
Method and apparatus for obtaining ODN logical topology information, device, and storage medium Jul 6, 2022 Issued
Array ( [id] => 19611384 [patent_doc_number] => 12160272 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-03 [patent_title] => Dual-output coherent optical technology [patent_app_type] => utility [patent_app_number] => 17/848948 [patent_app_country] => US [patent_app_date] => 2022-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 7835 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17848948 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/848948
Dual-output coherent optical technology Jun 23, 2022 Issued
Array ( [id] => 18867495 [patent_doc_number] => 20230421932 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => SYSTEMS AND METHODS FOR PREVENTING SERVICE INTERRUPTION WHEN TROUBLESHOOTING A PASSIVE OPTICAL NETWORK [patent_app_type] => utility [patent_app_number] => 17/808731 [patent_app_country] => US [patent_app_date] => 2022-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5673 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17808731 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/808731
Systems and methods for preventing service interruption when troubleshooting a passive optical network Jun 23, 2022 Issued
Array ( [id] => 19393675 [patent_doc_number] => 20240283545 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => OPTICAL SIGNAL RECEIVING APPARATUS, METHOD AND SYSTEM, OPTICAL LINE TERMINAL, COMPUTER-READABLE STORAGE MEDIUM [patent_app_type] => utility [patent_app_number] => 18/571343 [patent_app_country] => US [patent_app_date] => 2022-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13717 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18571343 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/571343
OPTICAL SIGNAL RECEIVING APPARATUS, METHOD AND SYSTEM, OPTICAL LINE TERMINAL, COMPUTER-READABLE STORAGE MEDIUM Jun 15, 2022 Pending
Array ( [id] => 17901870 [patent_doc_number] => 20220311532 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-29 [patent_title] => Fiber Link Detection Method and Apparatus [patent_app_type] => utility [patent_app_number] => 17/840965 [patent_app_country] => US [patent_app_date] => 2022-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21866 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17840965 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/840965
Fiber link detection method and apparatus Jun 14, 2022 Issued
Array ( [id] => 17918816 [patent_doc_number] => 20220321212 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-06 [patent_title] => Dual-Direction OTDR System for Inter-Node Communications [patent_app_type] => utility [patent_app_number] => 17/806892 [patent_app_country] => US [patent_app_date] => 2022-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5361 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17806892 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/806892
Dual-direction OTDR system for inter-node communications Jun 13, 2022 Issued
Array ( [id] => 18062676 [patent_doc_number] => 20220393763 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-08 [patent_title] => Optical Cable for Transmission of Audio and Video Signals [patent_app_type] => utility [patent_app_number] => 17/834570 [patent_app_country] => US [patent_app_date] => 2022-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23342 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17834570 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/834570
Optical cable for transmission of audio and video signals Jun 6, 2022 Issued
Array ( [id] => 17871813 [patent_doc_number] => 20220294550 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-15 [patent_title] => OPTICAL SWITCHING METHOD AND APPARATUS, LIQUID CRYSTAL ON SILICON, AND WAVELENGTH SELECTIVE SWITCH [patent_app_type] => utility [patent_app_number] => 17/828662 [patent_app_country] => US [patent_app_date] => 2022-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16013 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17828662 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/828662
Optical switching method and apparatus, liquid crystal on silicon, and wavelength selective switch May 30, 2022 Issued
Array ( [id] => 20530808 [patent_doc_number] => 12549253 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-10 [patent_title] => Sectorizatiion technique for high-speed optical wireless communication [patent_app_type] => utility [patent_app_number] => 18/561005 [patent_app_country] => US [patent_app_date] => 2022-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 1142 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18561005 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/561005
Sectorizatiion technique for high-speed optical wireless communication May 15, 2022 Issued
Array ( [id] => 20214645 [patent_doc_number] => 12411294 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-09 [patent_title] => Small form-factor pluggable transceiver [patent_app_type] => utility [patent_app_number] => 17/735596 [patent_app_country] => US [patent_app_date] => 2022-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 0 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 286 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17735596 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/735596
Small form-factor pluggable transceiver May 2, 2022 Issued
Array ( [id] => 20648764 [patent_doc_number] => 12603721 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-14 [patent_title] => Data transmission method and apparatus, network device, system, and storage medium [patent_app_type] => utility [patent_app_number] => 18/288907 [patent_app_country] => US [patent_app_date] => 2022-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 10234 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18288907 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/288907
DATA TRANSMISSION METHOD AND APPARATUS, NETWORK DEVICE, SYSTEM, AND STORAGE MEDIUM Apr 17, 2022 Issued
Array ( [id] => 18697316 [patent_doc_number] => 20230327776 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-12 [patent_title] => SYSTEM AND METHOD FOR MULTIMODULATION IN A PASSIVE OPTICAL NETWORK [patent_app_type] => utility [patent_app_number] => 17/714959 [patent_app_country] => US [patent_app_date] => 2022-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17387 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17714959 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/714959
System and method for multimodulation in a passive optical network Apr 5, 2022 Issued
Array ( [id] => 18936070 [patent_doc_number] => 11888521 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-30 [patent_title] => Master station device, slave station device, and wireless communication system [patent_app_type] => utility [patent_app_number] => 17/707166 [patent_app_country] => US [patent_app_date] => 2022-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 10870 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17707166 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/707166
Master station device, slave station device, and wireless communication system Mar 28, 2022 Issued
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