Search

David E. Choi

Examiner (ID: 18726, Phone: (571)270-3780 , Office: P/2174 )

Most Active Art Unit
2174
Art Unit(s)
2174, 2173, 2148
Total Applications
766
Issued Applications
584
Pending Applications
52
Abandoned Applications
150

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20223437 [patent_doc_number] => 20250286368 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-11 [patent_title] => ELECTRICAL WIRING DEVICE WITH WIRING DETECTION AND CORRECTION [patent_app_type] => utility [patent_app_number] => 18/396067 [patent_app_country] => US [patent_app_date] => 2023-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9255 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [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] => 18396067 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/396067
ELECTRICAL WIRING DEVICE WITH WIRING DETECTION AND CORRECTION Dec 25, 2023 Issued
Array ( [id] => 19124762 [patent_doc_number] => 11968769 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-04-23 [patent_title] => Dielectric barrier discharging tube having synergistic column of needle electrodes utilizing multi-channels to adsorb catalysts [patent_app_type] => utility [patent_app_number] => 18/391679 [patent_app_country] => US [patent_app_date] => 2023-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3127 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 453 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18391679 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/391679
Dielectric barrier discharging tube having synergistic column of needle electrodes utilizing multi-channels to adsorb catalysts Dec 20, 2023 Issued
Array ( [id] => 20074078 [patent_doc_number] => 20250212300 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-26 [patent_title] => COLOR TEMPERATURE CONTROL LIGHTING FIXTURE [patent_app_type] => utility [patent_app_number] => 18/390375 [patent_app_country] => US [patent_app_date] => 2023-12-20 [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] => -5 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18390375 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/390375
Color temperature control lighting fixture Dec 19, 2023 Issued
Array ( [id] => 20361222 [patent_doc_number] => 12477235 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-18 [patent_title] => Auto calibration procedure for external lights attached to machine vision system operating on power over Ethernet [patent_app_type] => utility [patent_app_number] => 18/544423 [patent_app_country] => US [patent_app_date] => 2023-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3500 [patent_no_of_claims] => 18 [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] => 18544423 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/544423
Auto calibration procedure for external lights attached to machine vision system operating on power over Ethernet Dec 17, 2023 Issued
Array ( [id] => 19087805 [patent_doc_number] => 20240114606 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-04 [patent_title] => LIGHTING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/532899 [patent_app_country] => US [patent_app_date] => 2023-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6098 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18532899 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/532899
LIGHTING SYSTEM Dec 6, 2023 Pending
Array ( [id] => 20372174 [patent_doc_number] => 12479596 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-25 [patent_title] => Control device, control method, and flight vehicle device [patent_app_type] => utility [patent_app_number] => 18/530575 [patent_app_country] => US [patent_app_date] => 2023-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 13840 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18530575 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/530575
Control device, control method, and flight vehicle device Dec 5, 2023 Issued
Array ( [id] => 19714433 [patent_doc_number] => 20250024575 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-16 [patent_title] => DIMMING CONTROL CIRCUIT COMPATIBLE WITH EMERGENCY LIGHTING AND METHOD [patent_app_type] => utility [patent_app_number] => 18/527386 [patent_app_country] => US [patent_app_date] => 2023-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5042 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 285 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18527386 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/527386
DIMMING CONTROL CIRCUIT COMPATIBLE WITH EMERGENCY LIGHTING AND METHOD Dec 3, 2023 Pending
Array ( [id] => 20037859 [patent_doc_number] => 20250176081 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-29 [patent_title] => LED CONTROL SYSTEM [patent_app_type] => utility [patent_app_number] => 18/523703 [patent_app_country] => US [patent_app_date] => 2023-11-29 [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] => -10 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18523703 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/523703
LED control system Nov 28, 2023 Issued
Array ( [id] => 19054628 [patent_doc_number] => 20240096597 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => Substrate Processing Apparatus and Method of Manufacturing Semiconductor Device [patent_app_type] => utility [patent_app_number] => 18/519750 [patent_app_country] => US [patent_app_date] => 2023-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10010 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18519750 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/519750
Substrate processing apparatus and method of manufacturing semiconductor device Nov 26, 2023 Issued
Array ( [id] => 19040280 [patent_doc_number] => 20240090095 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => MULTI-CHANNEL LED DRIVER WITH INTEGRATED LEDS HAVING A MULTILAYER STRUCTURE [patent_app_type] => utility [patent_app_number] => 18/510457 [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] => 6388 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18510457 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/510457
Multi-channel LED driver with integrated LEDs having a multilayer structure Nov 14, 2023 Issued
Array ( [id] => 19973809 [patent_doc_number] => 12342441 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-24 [patent_title] => Lamp control module consisting of base and control parts, communicating via NFC [patent_app_type] => utility [patent_app_number] => 18/502847 [patent_app_country] => US [patent_app_date] => 2023-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 1092 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18502847 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/502847
Lamp control module consisting of base and control parts, communicating via NFC Nov 5, 2023 Issued
Array ( [id] => 19148475 [patent_doc_number] => 20240147592 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => LED DRIVING DEVICE AND LED LIGHTING DEVICE INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 18/499976 [patent_app_country] => US [patent_app_date] => 2023-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10745 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18499976 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/499976
LED DRIVING DEVICE AND LED LIGHTING DEVICE INCLUDING THE SAME Oct 31, 2023 Pending
Array ( [id] => 19317721 [patent_doc_number] => 20240239262 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-18 [patent_title] => LAMP SYSTEM CAPABLE OF REDUCING POWER CONSUMPTION [patent_app_type] => utility [patent_app_number] => 18/499683 [patent_app_country] => US [patent_app_date] => 2023-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6091 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18499683 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/499683
LAMP SYSTEM CAPABLE OF REDUCING POWER CONSUMPTION Oct 31, 2023 Pending
Array ( [id] => 20376671 [patent_doc_number] => 12484127 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-25 [patent_title] => Lighting device [patent_app_type] => utility [patent_app_number] => 18/384934 [patent_app_country] => US [patent_app_date] => 2023-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 0 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 561 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18384934 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/384934
Lighting device Oct 29, 2023 Issued
Array ( [id] => 20466098 [patent_doc_number] => 12522130 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-13 [patent_title] => Method for operating a high-resolution headlamp of a vehicle [patent_app_type] => utility [patent_app_number] => 18/385224 [patent_app_country] => US [patent_app_date] => 2023-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 0 [patent_no_of_claims] => 14 [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] => 18385224 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/385224
Method for operating a high-resolution headlamp of a vehicle Oct 29, 2023 Issued
Array ( [id] => 19577213 [patent_doc_number] => 20240381505 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-14 [patent_title] => APPARATUS TO COMMUNICATE UPSTREAM INFORMATION TO A HOST VIA A LIGHT-EMITTING DIODE (LED) CONTROLLER [patent_app_type] => utility [patent_app_number] => 18/492336 [patent_app_country] => US [patent_app_date] => 2023-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8668 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 17 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18492336 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/492336
APPARATUS TO COMMUNICATE UPSTREAM INFORMATION TO A HOST VIA A LIGHT-EMITTING DIODE (LED) CONTROLLER Oct 22, 2023 Pending
Array ( [id] => 20452533 [patent_doc_number] => 12515582 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-06 [patent_title] => Method for controlling a vehicle headlamp [patent_app_type] => utility [patent_app_number] => 18/380366 [patent_app_country] => US [patent_app_date] => 2023-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 0 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18380366 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/380366
Method for controlling a vehicle headlamp Oct 15, 2023 Issued
Array ( [id] => 19100887 [patent_doc_number] => 20240120115 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => SYSTEM AND METHODS FOR FORMING AND MAINTAINING HIGH ENERGY AND TEMPERATURE FRC PLASMA VIA NEUTRAL BEAM INJECTION [patent_app_type] => utility [patent_app_number] => 18/377136 [patent_app_country] => US [patent_app_date] => 2023-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19787 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18377136 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/377136
SYSTEM AND METHODS FOR FORMING AND MAINTAINING HIGH ENERGY AND TEMPERATURE FRC PLASMA VIA NEUTRAL BEAM INJECTION Oct 4, 2023 Pending
Array ( [id] => 18905896 [patent_doc_number] => 20240021381 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-18 [patent_title] => GESTURE-BASED CONTROL DEVICE FOR CONTROLLING AN ELECTRICAL LOAD [patent_app_type] => utility [patent_app_number] => 18/373079 [patent_app_country] => US [patent_app_date] => 2023-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 39011 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18373079 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/373079
Gesture-based control device for controlling an electrical load Sep 25, 2023 Issued
Array ( [id] => 20205449 [patent_doc_number] => 12408244 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-02 [patent_title] => Light-emitting element driving circuit [patent_app_type] => utility [patent_app_number] => 18/469880 [patent_app_country] => US [patent_app_date] => 2023-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 0 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18469880 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/469880
Light-emitting element driving circuit Sep 18, 2023 Issued
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