Search

Wei Chan

Examiner (ID: 16812, Phone: (571)272-5177 , Office: P/2844 )

Most Active Art Unit
2844
Art Unit(s)
2844
Total Applications
773
Issued Applications
574
Pending Applications
72
Abandoned Applications
150

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20251500 [patent_doc_number] => 20250300369 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-25 [patent_title] => DIPOLE STRUCTURES AND ANTENNAE [patent_app_type] => utility [patent_app_number] => 18/864342 [patent_app_country] => US [patent_app_date] => 2023-05-05 [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] => -17 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18864342 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/864342
DIPOLE STRUCTURES AND ANTENNAE May 4, 2023 Pending
Array ( [id] => 20177315 [patent_doc_number] => 12396079 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-19 [patent_title] => Systems and methods for controlling currents flowing through light emitting diodes [patent_app_type] => utility [patent_app_number] => 18/144096 [patent_app_country] => US [patent_app_date] => 2023-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 11186 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18144096 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/144096
Systems and methods for controlling currents flowing through light emitting diodes May 4, 2023 Issued
Array ( [id] => 18596753 [patent_doc_number] => 20230271545 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-31 [patent_title] => Systems and Methods for Various Systems of a Vehicle [patent_app_type] => utility [patent_app_number] => 18/143941 [patent_app_country] => US [patent_app_date] => 2023-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10933 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 241 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18143941 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/143941
Systems and Methods for Various Systems of a Vehicle May 4, 2023 Abandoned
Array ( [id] => 18582370 [patent_doc_number] => 20230264625 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-24 [patent_title] => LAMP CONTROL DEVICE FOR VEHICLE [patent_app_type] => utility [patent_app_number] => 18/310029 [patent_app_country] => US [patent_app_date] => 2023-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6939 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18310029 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/310029
Lamp control device for vehicle Apr 30, 2023 Issued
Array ( [id] => 18650378 [patent_doc_number] => 20230296211 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-21 [patent_title] => LED TUBE LAMP [patent_app_type] => utility [patent_app_number] => 18/134634 [patent_app_country] => US [patent_app_date] => 2023-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 77392 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 327 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18134634 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/134634
LED tube lamp Apr 13, 2023 Issued
Array ( [id] => 20306962 [patent_doc_number] => 12452972 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-21 [patent_title] => Color correction device, and color correction system having external flash [patent_app_type] => utility [patent_app_number] => 18/296812 [patent_app_country] => US [patent_app_date] => 2023-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18296812 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/296812
Color correction device, and color correction system having external flash Apr 5, 2023 Issued
Array ( [id] => 20312305 [patent_doc_number] => 20250329934 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-23 [patent_title] => HOLOGRAPHIC LEAKY-WAVE ANTENNA AND ELECTRONIC APPARATUS [patent_app_type] => utility [patent_app_number] => 18/867686 [patent_app_country] => US [patent_app_date] => 2023-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3615 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18867686 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/867686
HOLOGRAPHIC LEAKY-WAVE ANTENNA AND ELECTRONIC APPARATUS Mar 30, 2023 Pending
Array ( [id] => 18713265 [patent_doc_number] => 20230335901 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-19 [patent_title] => MULTIBAND ANTENNA [patent_app_type] => utility [patent_app_number] => 18/127176 [patent_app_country] => US [patent_app_date] => 2023-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6140 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 276 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18127176 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/127176
Multiband antenna Mar 27, 2023 Issued
Array ( [id] => 20072649 [patent_doc_number] => 20250210871 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-26 [patent_title] => ANTENNA ELEMENT, ANTENNA SUBSTRATE, AND ANTENNA MODULE [patent_app_type] => utility [patent_app_number] => 18/851956 [patent_app_country] => US [patent_app_date] => 2023-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2203 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 16 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18851956 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/851956
ANTENNA ELEMENT, ANTENNA SUBSTRATE, AND ANTENNA MODULE Mar 26, 2023 Pending
Array ( [id] => 18900394 [patent_doc_number] => 20240015879 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-11 [patent_title] => PLASMA DEVICE [patent_app_type] => utility [patent_app_number] => 18/186967 [patent_app_country] => US [patent_app_date] => 2023-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2112 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18186967 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/186967
PLASMA DEVICE Mar 20, 2023 Abandoned
Array ( [id] => 19453264 [patent_doc_number] => 20240313394 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => ELECTROMAGNETIC BANDGAP STRUCTURE [patent_app_type] => utility [patent_app_number] => 18/123187 [patent_app_country] => US [patent_app_date] => 2023-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3136 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18123187 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/123187
Electromagnetic bandgap structure Mar 16, 2023 Issued
Array ( [id] => 20276346 [patent_doc_number] => 12446135 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-14 [patent_title] => Light control device that performs light control of lighting device, light control system, and control method [patent_app_type] => utility [patent_app_number] => 18/184772 [patent_app_country] => US [patent_app_date] => 2023-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5609 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18184772 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/184772
Light control device that performs light control of lighting device, light control system, and control method Mar 15, 2023 Issued
Array ( [id] => 19017051 [patent_doc_number] => 11924000 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-05 [patent_title] => State retention load control system [patent_app_type] => utility [patent_app_number] => 18/116943 [patent_app_country] => US [patent_app_date] => 2023-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 23357 [patent_no_of_claims] => 18 [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] =>[firstpage_image] =>[orig_patent_app_number] => 18116943 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/116943
State retention load control system Mar 2, 2023 Issued
Array ( [id] => 18502150 [patent_doc_number] => 20230225023 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-13 [patent_title] => HORTICULTURE GROW LIGHTS [patent_app_type] => utility [patent_app_number] => 18/171120 [patent_app_country] => US [patent_app_date] => 2023-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9835 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18171120 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/171120
Horticulture grow lights Feb 16, 2023 Issued
Array ( [id] => 20217544 [patent_doc_number] => 12414213 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-09 [patent_title] => Low-voltage dimming controller and a lighting control system [patent_app_type] => utility [patent_app_number] => 18/168190 [patent_app_country] => US [patent_app_date] => 2023-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 338 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18168190 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/168190
Low-voltage dimming controller and a lighting control system Feb 12, 2023 Issued
Array ( [id] => 19157078 [patent_doc_number] => 20240149785 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-09 [patent_title] => VEHICLE APPROACH NOTIFICATION DEVICE AND PICKING TRUCK EQUIPPED WITH THE DEVICE [patent_app_type] => utility [patent_app_number] => 18/167886 [patent_app_country] => US [patent_app_date] => 2023-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4213 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18167886 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/167886
Vehicle approach notification device and picking truck equipped with the device Feb 12, 2023 Issued
Array ( [id] => 18884784 [patent_doc_number] => 20240008153 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => LED DRIVING CIRCUIT AND LED LAMP [patent_app_type] => utility [patent_app_number] => 18/166499 [patent_app_country] => US [patent_app_date] => 2023-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4691 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18166499 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/166499
LED driving circuit and LED lamp Feb 8, 2023 Issued
Array ( [id] => 18979600 [patent_doc_number] => 11904759 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-02-20 [patent_title] => Adaptive headlamp system for vehicle [patent_app_type] => utility [patent_app_number] => 18/106308 [patent_app_country] => US [patent_app_date] => 2023-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3421 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18106308 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/106308
Adaptive headlamp system for vehicle Feb 5, 2023 Issued
Array ( [id] => 18435345 [patent_doc_number] => 20230182639 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-15 [patent_title] => VEHICULAR MULTI-SENSOR SYSTEM USING A CAMERA AND LIDAR SENSOR TO DETECT OBJECTS [patent_app_type] => utility [patent_app_number] => 18/164783 [patent_app_country] => US [patent_app_date] => 2023-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4606 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -37 [patent_words_short_claim] => 242 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18164783 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/164783
Vehicular multi-sensor system using a camera and LIDAR sensor to detect objects Feb 5, 2023 Issued
Array ( [id] => 20015408 [patent_doc_number] => 20250153630 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-15 [patent_title] => LIGHTING SYSTEM FOR A MOTOR VEHICLE [patent_app_type] => utility [patent_app_number] => 18/833477 [patent_app_country] => US [patent_app_date] => 2023-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3724 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 317 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18833477 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/833477
LIGHTING SYSTEM FOR A MOTOR VEHICLE Jan 29, 2023 Pending
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