Search

Darwin P. Erezo

Supervisory Patent Examiner (ID: 2193, Phone: (571)272-4695 , Office: P/3731 )

Most Active Art Unit
3773
Art Unit(s)
3731, 3773, 3734, 3771, 3761
Total Applications
830
Issued Applications
379
Pending Applications
174
Abandoned Applications
278

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19734354 [patent_doc_number] => 12212363 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-28 [patent_title] => Signaling on a high-speed data connector [patent_app_type] => utility [patent_app_number] => 18/599643 [patent_app_country] => US [patent_app_date] => 2024-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5924 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18599643 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/599643
Signaling on a high-speed data connector Mar 7, 2024 Issued
Array ( [id] => 19238312 [patent_doc_number] => 20240195507 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-13 [patent_title] => OPTICAL DOMAIN CONTROLLER OF A TELECOMMUNICATIONS NETWORK [patent_app_type] => utility [patent_app_number] => 18/441562 [patent_app_country] => US [patent_app_date] => 2024-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9222 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18441562 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/441562
Optical domain controller of a telecommunications network Feb 13, 2024 Issued
Array ( [id] => 20360705 [patent_doc_number] => 12476714 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-18 [patent_title] => Electrical duobinary soft information receiver for NRZ modulation fiber transmission [patent_app_type] => utility [patent_app_number] => 18/440933 [patent_app_country] => US [patent_app_date] => 2024-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 3768 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18440933 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/440933
Electrical duobinary soft information receiver for NRZ modulation fiber transmission Feb 12, 2024 Issued
Array ( [id] => 19222392 [patent_doc_number] => 20240187096 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => OPTICAL ENCODER DEVICES AND SYSTEMS [patent_app_type] => utility [patent_app_number] => 18/438779 [patent_app_country] => US [patent_app_date] => 2024-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 27324 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18438779 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/438779
OPTICAL ENCODER DEVICES AND SYSTEMS Feb 11, 2024 Pending
Array ( [id] => 19523142 [patent_doc_number] => 12124872 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-22 [patent_title] => LiFi-powered content-aware large-scale data processing factory [patent_app_type] => utility [patent_app_number] => 18/429499 [patent_app_country] => US [patent_app_date] => 2024-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4985 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18429499 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/429499
LiFi-powered content-aware large-scale data processing factory Jan 31, 2024 Issued
Array ( [id] => 20704655 [patent_doc_number] => 12627376 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-12 [patent_title] => Band-converted transmission of RF over fiber [patent_app_type] => utility [patent_app_number] => 18/426457 [patent_app_country] => US [patent_app_date] => 2024-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 2372 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18426457 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/426457
Band-converted transmission of RF over fiber Jan 29, 2024 Issued
Array ( [id] => 20132858 [patent_doc_number] => 12375176 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-29 [patent_title] => Optimal equalization partitioning with automatic gain adjustment [patent_app_type] => utility [patent_app_number] => 18/424600 [patent_app_country] => US [patent_app_date] => 2024-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 15 [patent_no_of_words] => 3651 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18424600 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/424600
Optimal equalization partitioning with automatic gain adjustment Jan 25, 2024 Issued
Array ( [id] => 20103746 [patent_doc_number] => 20250233682 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-17 [patent_title] => PERFORMANCE MONITORING DATA INTEGRATED ROUTE PLANNING TOOL FOR RECONFIGURABLE OPTICAL ADD-DROP MULTIPLEXER (ROADM) DENSE WAVELENGTH-DIVISION MULTIPLEXING (DWDM) NETWORKS [patent_app_type] => utility [patent_app_number] => 18/415193 [patent_app_country] => US [patent_app_date] => 2024-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1161 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18415193 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/415193
PERFORMANCE MONITORING DATA INTEGRATED ROUTE PLANNING TOOL FOR RECONFIGURABLE OPTICAL ADD-DROP MULTIPLEXER (ROADM) DENSE WAVELENGTH-DIVISION MULTIPLEXING (DWDM) NETWORKS Jan 16, 2024 Pending
Array ( [id] => 19307105 [patent_doc_number] => 20240235685 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-11 [patent_title] => CHROMATIC DISPERSION OPTICAL TIME DOMAIN REFLECTOMETRY ON SUBMARINE COMMUNICATION CABLES USING COHERENT OPTICAL TRANSPONDERS [patent_app_type] => utility [patent_app_number] => 18/408344 [patent_app_country] => US [patent_app_date] => 2024-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16761 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 366 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18408344 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/408344
CHROMATIC DISPERSION OPTICAL TIME DOMAIN REFLECTOMETRY ON SUBMARINE COMMUNICATION CABLES USING COHERENT OPTICAL TRANSPONDERS Jan 8, 2024 Pending
Array ( [id] => 20054687 [patent_doc_number] => 20250192909 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-12 [patent_title] => Parallelized optical link calibration over an optical section [patent_app_type] => utility [patent_app_number] => 18/537177 [patent_app_country] => US [patent_app_date] => 2023-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2252 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18537177 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/537177
Parallelized optical link calibration over an optical section Dec 11, 2023 Pending
Array ( [id] => 19219010 [patent_doc_number] => 20240183714 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => OPTICAL FREQUENCY SENSORS BASED ON PRE-MODULATED QUADRATURE-SELF-HETERODYNE INTEFEROMETRY [patent_app_type] => utility [patent_app_number] => 18/527210 [patent_app_country] => US [patent_app_date] => 2023-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28170 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18527210 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/527210
OPTICAL FREQUENCY SENSORS BASED ON PRE-MODULATED QUADRATURE-SELF-HETERODYNE INTEFEROMETRY Nov 30, 2023 Pending
Array ( [id] => 19270397 [patent_doc_number] => 20240214103 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-27 [patent_title] => OPTICAL COMMUNICATION DEVICE THAT TRANSMITS WDM SIGNAL AND TRANSMISSION CONTROL METHOD [patent_app_type] => utility [patent_app_number] => 18/510021 [patent_app_country] => US [patent_app_date] => 2023-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6806 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 338 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18510021 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/510021
Optical communication device that transmits WDM signal and transmission control method Nov 14, 2023 Issued
Array ( [id] => 20011948 [patent_doc_number] => 20250150170 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => THERMAL-EFFICIENT RING-BASED COARSE WAVELENGTH DIVISION MULTIPLEXING OPTICAL LINK [patent_app_type] => utility [patent_app_number] => 18/502594 [patent_app_country] => US [patent_app_date] => 2023-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5465 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18502594 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/502594
THERMAL-EFFICIENT RING-BASED COARSE WAVELENGTH DIVISION MULTIPLEXING OPTICAL LINK Nov 5, 2023 Pending
Array ( [id] => 20118786 [patent_doc_number] => 12368509 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-22 [patent_title] => Optical wireless communication system and method [patent_app_type] => utility [patent_app_number] => 18/497337 [patent_app_country] => US [patent_app_date] => 2023-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 21 [patent_no_of_words] => 14348 [patent_no_of_claims] => 38 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18497337 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/497337
Optical wireless communication system and method Oct 29, 2023 Issued
Array ( [id] => 20003363 [patent_doc_number] => 20250141585 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-01 [patent_title] => COMMUNICATION METHOD AND DEVICE [patent_app_type] => utility [patent_app_number] => 18/494408 [patent_app_country] => US [patent_app_date] => 2023-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12052 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18494408 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/494408
COMMUNICATION METHOD AND DEVICE Oct 24, 2023 Pending
Array ( [id] => 20346566 [patent_doc_number] => 12470303 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-11 [patent_title] => Receiver optical sub-assembly, bi-directional optical sub-assembly, optical module, and optical network device [patent_app_type] => utility [patent_app_number] => 18/491572 [patent_app_country] => US [patent_app_date] => 2023-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 27 [patent_no_of_words] => 5640 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18491572 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/491572
Receiver optical sub-assembly, bi-directional optical sub-assembly, optical module, and optical network device Oct 19, 2023 Issued
Array ( [id] => 19117242 [patent_doc_number] => 20240128992 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => FIELD PROGRAMMABLE OPTICAL FILTER [patent_app_type] => utility [patent_app_number] => 18/488709 [patent_app_country] => US [patent_app_date] => 2023-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7843 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18488709 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/488709
Field programmable optical filter Oct 16, 2023 Issued
Array ( [id] => 19117902 [patent_doc_number] => 20240129652 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => APPARATUS AND METHOD FOR TRANSMITTING SEGMENTS FOR A DOWNSTREAM TRANSMISSION AND APPARATUS AND METHOD FOR RECEIVING SEGMENTS OF A DOWNSTREAM TRANSMISSION FOR A PASSIVE OPTICAL NETWORK [patent_app_type] => utility [patent_app_number] => 18/486751 [patent_app_country] => US [patent_app_date] => 2023-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5225 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18486751 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/486751
APPARATUS AND METHOD FOR TRANSMITTING SEGMENTS FOR A DOWNSTREAM TRANSMISSION AND APPARATUS AND METHOD FOR RECEIVING SEGMENTS OF A DOWNSTREAM TRANSMISSION FOR A PASSIVE OPTICAL NETWORK Oct 12, 2023 Pending
Array ( [id] => 19307090 [patent_doc_number] => 20240235670 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2024-07-11 [patent_title] => OPTICAL TRANSMISSION PATH MONITORING DEVICE AND OPTICAL TRANSMISSION PATH MONITORING METHOD [patent_app_type] => utility [patent_app_number] => 18/379985 [patent_app_country] => US [patent_app_date] => 2023-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7439 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18379985 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/379985
OPTICAL TRANSMISSION PATH MONITORING DEVICE AND OPTICAL TRANSMISSION PATH MONITORING METHOD Oct 12, 2023 Pending
Array ( [id] => 19307090 [patent_doc_number] => 20240235670 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2024-07-11 [patent_title] => OPTICAL TRANSMISSION PATH MONITORING DEVICE AND OPTICAL TRANSMISSION PATH MONITORING METHOD [patent_app_type] => utility [patent_app_number] => 18/379985 [patent_app_country] => US [patent_app_date] => 2023-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7439 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18379985 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/379985
OPTICAL TRANSMISSION PATH MONITORING DEVICE AND OPTICAL TRANSMISSION PATH MONITORING METHOD Oct 11, 2023 Pending
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