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] => 20683547 [patent_doc_number] => 20260122380 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-04-30 [patent_title] => DISTRIBUTED RECONFIGURABLE SWITCHING NODE FOR MULTIPLE CORE FIBER [patent_app_type] => utility [patent_app_number] => 18/933095 [patent_app_country] => US [patent_app_date] => 2024-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7533 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18933095 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/933095
DISTRIBUTED RECONFIGURABLE SWITCHING NODE FOR MULTIPLE CORE FIBER Oct 30, 2024 Pending
Array ( [id] => 19633638 [patent_doc_number] => 20240412087 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-12 [patent_title] => Generation Of Entangled Photonic States [patent_app_type] => utility [patent_app_number] => 18/812770 [patent_app_country] => US [patent_app_date] => 2024-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12144 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18812770 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/812770
Generation Of Entangled Photonic States Aug 21, 2024 Pending
Array ( [id] => 20545073 [patent_doc_number] => 20260051966 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-02-19 [patent_title] => WIDEBAND HOLLOW CORE TRANSMISSION FIBER AND DWDM LIGHTWAVE TRANSMISSION SYSTEM IN THE 2000 nm WAVELENGTH REGION [patent_app_type] => utility [patent_app_number] => 18/804710 [patent_app_country] => US [patent_app_date] => 2024-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 18804710 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/804710
Wideband hollow core transmission fiber and DWDM lightwave transmission system in the 2000 nm wavelength region Aug 13, 2024 Issued
Array ( [id] => 19747167 [patent_doc_number] => 20250035732 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => ANGULAR DEVIATION TRACKING AND DETECTOR DEVICE FOR OPTICAL SYSTEMS [patent_app_type] => utility [patent_app_number] => 18/783005 [patent_app_country] => US [patent_app_date] => 2024-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7450 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18783005 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/783005
ANGULAR DEVIATION TRACKING AND DETECTOR DEVICE FOR OPTICAL SYSTEMS Jul 23, 2024 Pending
Array ( [id] => 20489010 [patent_doc_number] => 20260025213 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-22 [patent_title] => CLOCK CALIBRATION AND TEMPERATURE TRACKING FOR ELECTRO-OPTICAL TRANSMITTERS [patent_app_type] => utility [patent_app_number] => 18/777363 [patent_app_country] => US [patent_app_date] => 2024-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1026 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18777363 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/777363
CLOCK CALIBRATION AND TEMPERATURE TRACKING FOR ELECTRO-OPTICAL TRANSMITTERS Jul 17, 2024 Pending
Array ( [id] => 19560830 [patent_doc_number] => 20240372622 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => DATA TRANSMISSION METHOD, SENDING END, RECEIVING END, AND STORAGE MEDIUM [patent_app_type] => utility [patent_app_number] => 18/776946 [patent_app_country] => US [patent_app_date] => 2024-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14268 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18776946 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/776946
DATA TRANSMISSION METHOD, SENDING END, RECEIVING END, AND STORAGE MEDIUM Jul 17, 2024 Pending
Array ( [id] => 19547412 [patent_doc_number] => 20240364448 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-31 [patent_title] => Encoding Configuration Method and Apparatus [patent_app_type] => utility [patent_app_number] => 18/764801 [patent_app_country] => US [patent_app_date] => 2024-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13759 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18764801 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/764801
Encoding Configuration Method and Apparatus Jul 4, 2024 Pending
Array ( [id] => 19517268 [patent_doc_number] => 20240348954 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => DATA PHASE RECOVERY METHOD, SYSTEM, DEVICE AND STORAGE MEDIUM FOR BURST CODE STREAM [patent_app_type] => utility [patent_app_number] => 18/757541 [patent_app_country] => US [patent_app_date] => 2024-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4837 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18757541 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/757541
DATA PHASE RECOVERY METHOD, SYSTEM, DEVICE AND STORAGE MEDIUM FOR BURST CODE STREAM Jun 27, 2024 Pending
Array ( [id] => 19689064 [patent_doc_number] => 20250007609 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-02 [patent_title] => STEP-INDEX MULTIMODE FIBER, METHOD OF PROCESSING STEP-INDEX MULTIMODE FIBER, AND SYSTEMS AND METHODS FOR HIGHLY DENSE MODE DIVISION MULTIPLEXING INCORPORATING A STEP-INDEX MULTIMODE FIBER [patent_app_type] => utility [patent_app_number] => 18/754492 [patent_app_country] => US [patent_app_date] => 2024-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14681 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18754492 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/754492
STEP-INDEX MULTIMODE FIBER, METHOD OF PROCESSING STEP-INDEX MULTIMODE FIBER, AND SYSTEMS AND METHODS FOR HIGHLY DENSE MODE DIVISION MULTIPLEXING INCORPORATING A STEP-INDEX MULTIMODE FIBER Jun 25, 2024 Pending
Array ( [id] => 19517266 [patent_doc_number] => 20240348952 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => SYNCHRONIZATION OF OPTICALLY SWITCHED NETWORKS [patent_app_type] => utility [patent_app_number] => 18/750369 [patent_app_country] => US [patent_app_date] => 2024-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6575 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18750369 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/750369
SYNCHRONIZATION OF OPTICALLY SWITCHED NETWORKS Jun 20, 2024 Pending
Array ( [id] => 20029688 [patent_doc_number] => 20250167910 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-22 [patent_title] => BROADBAND POLARIZATION-ENTANGLED SYSTEM FOR C+L-BAND FLEX-GRID QUANTUM NETWORKS [patent_app_type] => utility [patent_app_number] => 18/750052 [patent_app_country] => US [patent_app_date] => 2024-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7035 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 465 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18750052 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/750052
BROADBAND POLARIZATION-ENTANGLED SYSTEM FOR C+L-BAND FLEX-GRID QUANTUM NETWORKS Jun 20, 2024 Pending
Array ( [id] => 19485351 [patent_doc_number] => 20240333393 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => Phased-Array Radio Frequency Receiver [patent_app_type] => utility [patent_app_number] => 18/739677 [patent_app_country] => US [patent_app_date] => 2024-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7811 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18739677 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/739677
Phased-array radio frequency receiver Jun 10, 2024 Issued
Array ( [id] => 20470001 [patent_doc_number] => 12526044 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-13 [patent_title] => High speed bidirectional optical time-domain reflectometer (OTDR)-based testing of device under test [patent_app_type] => utility [patent_app_number] => 18/678356 [patent_app_country] => US [patent_app_date] => 2024-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 15 [patent_no_of_words] => 2216 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18678356 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/678356
High speed bidirectional optical time-domain reflectometer (OTDR)-based testing of device under test May 29, 2024 Issued
Array ( [id] => 20216668 [patent_doc_number] => 12413329 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-09 [patent_title] => System for pulsed laser optical data transmission with receiver recoverable clock [patent_app_type] => utility [patent_app_number] => 18/675378 [patent_app_country] => US [patent_app_date] => 2024-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 1000 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 206 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18675378 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/675378
System for pulsed laser optical data transmission with receiver recoverable clock May 27, 2024 Issued
Array ( [id] => 19421974 [patent_doc_number] => 20240298098 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-05 [patent_title] => OPTOELECTRONIC SYSTEMS AND METHODS FOR INSPECTION OF OPTICALLY ENCODED DATA [patent_app_type] => utility [patent_app_number] => 18/662843 [patent_app_country] => US [patent_app_date] => 2024-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10801 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18662843 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/662843
OPTOELECTRONIC SYSTEMS AND METHODS FOR INSPECTION OF OPTICALLY ENCODED DATA May 12, 2024 Pending
Array ( [id] => 19819724 [patent_doc_number] => 20250077931 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => Nanophotonic Quantum Memory [patent_app_type] => utility [patent_app_number] => 18/649520 [patent_app_country] => US [patent_app_date] => 2024-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 30672 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18649520 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/649520
Nanophotonic Quantum Memory Apr 28, 2024 Pending
Array ( [id] => 20298481 [patent_doc_number] => 20250323724 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-16 [patent_title] => SYSTEM AND METHOD FOR SPLIT WIRELESS AUDIO CONNECTIVITY FOR A WIRELESS HEADSET [patent_app_type] => utility [patent_app_number] => 18/634801 [patent_app_country] => US [patent_app_date] => 2024-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9450 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18634801 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/634801
SYSTEM AND METHOD FOR SPLIT WIRELESS AUDIO CONNECTIVITY FOR A WIRELESS HEADSET Apr 11, 2024 Pending
Array ( [id] => 19306439 [patent_doc_number] => 20240235019 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-11 [patent_title] => Widely Scalable, Modular Phase Control of Optical Channels [patent_app_type] => utility [patent_app_number] => 18/616753 [patent_app_country] => US [patent_app_date] => 2024-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5775 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -41 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18616753 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/616753
Widely scalable, modular phase control of optical channels Mar 25, 2024 Issued
Array ( [id] => 19302505 [patent_doc_number] => 20240231082 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-11 [patent_title] => ABERRATION CORRECTION OF OPTICAL PHASED ARRAYS [patent_app_type] => utility [patent_app_number] => 18/615008 [patent_app_country] => US [patent_app_date] => 2024-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6854 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18615008 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/615008
Aberration correction of optical phased arrays Mar 24, 2024 Issued
Array ( [id] => 19307109 [patent_doc_number] => 20240235689 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-11 [patent_title] => OPTICAL SIGNAL SENDING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/611687 [patent_app_country] => US [patent_app_date] => 2024-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3536 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 435 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18611687 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/611687
OPTICAL SIGNAL SENDING APPARATUS Mar 19, 2024 Pending
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