Search

Wei Chan

Examiner (ID: 10212, Phone: (571)272-5177 , Office: P/2844 )

Most Active Art Unit
2844
Art Unit(s)
2845, 2844
Total Applications
808
Issued Applications
598
Pending Applications
81
Abandoned Applications
151

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19997766 [patent_doc_number] => 20250135988 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-01 [patent_title] => LIGHT DISTRIBUTION CONTROL DEVICE, LIGHT DISTRIBUTION CONTROL SYSTEM, AND LIGHT DISTRIBUTION CONTROL METHOD [patent_app_type] => utility [patent_app_number] => 18/729795 [patent_app_country] => US [patent_app_date] => 2022-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5594 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18729795 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/729795
Light distribution control device, light distribution control system, and light distribution control method Mar 2, 2022 Issued
Array ( [id] => 19146859 [patent_doc_number] => 20240145901 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => SEMICONDUCTOR DEVICE AND ELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 18/548661 [patent_app_country] => US [patent_app_date] => 2022-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18307 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18548661 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/548661
SEMICONDUCTOR DEVICE AND ELECTRONIC DEVICE Mar 1, 2022 Pending
Array ( [id] => 19335973 [patent_doc_number] => 20240250403 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-25 [patent_title] => ANTENNA AND COMMUNICATION SYSTEM [patent_app_type] => utility [patent_app_number] => 18/015843 [patent_app_country] => US [patent_app_date] => 2022-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12475 [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] => 18015843 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/015843
Antenna and communication system Jan 23, 2022 Issued
Array ( [id] => 17765615 [patent_doc_number] => 20220239229 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-28 [patent_title] => HIGH-FREQUENCY POWER SUPPLY DEVICE [patent_app_type] => utility [patent_app_number] => 17/581039 [patent_app_country] => US [patent_app_date] => 2022-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5397 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [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] => 17581039 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/581039
High-frequency power supply device Jan 20, 2022 Issued
Array ( [id] => 18840233 [patent_doc_number] => 11848315 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-19 [patent_title] => Semiconductor light-emitting device [patent_app_type] => utility [patent_app_number] => 17/646821 [patent_app_country] => US [patent_app_date] => 2022-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 30378 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 234 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17646821 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/646821
Semiconductor light-emitting device Jan 2, 2022 Issued
Array ( [id] => 18132714 [patent_doc_number] => 11558942 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-17 [patent_title] => Transconductance circuits and methods [patent_app_type] => utility [patent_app_number] => 17/566847 [patent_app_country] => US [patent_app_date] => 2021-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 5444 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17566847 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/566847
Transconductance circuits and methods Dec 30, 2021 Issued
Array ( [id] => 17734139 [patent_doc_number] => 20220219598 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-14 [patent_title] => LAMP FOR VEHICLE AND VEHICLE INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 17/562812 [patent_app_country] => US [patent_app_date] => 2021-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5644 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 17562812 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/562812
Lamp for vehicle and vehicle including the same Dec 26, 2021 Issued
Array ( [id] => 17538442 [patent_doc_number] => 20220117051 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-14 [patent_title] => MULTI-LOCATION LOAD CONTROL SYSTEM [patent_app_type] => utility [patent_app_number] => 17/556491 [patent_app_country] => US [patent_app_date] => 2021-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13554 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17556491 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/556491
Multi-location load control system Dec 19, 2021 Issued
Array ( [id] => 19552540 [patent_doc_number] => 12136249 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-05 [patent_title] => Glare mitigation using image contrast analysis for autonomous systems and applications [patent_app_type] => utility [patent_app_number] => 17/549418 [patent_app_country] => US [patent_app_date] => 2021-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 24654 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 17549418 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/549418
Glare mitigation using image contrast analysis for autonomous systems and applications Dec 12, 2021 Issued
Array ( [id] => 18507799 [patent_doc_number] => 11705628 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-18 [patent_title] => Cancelation circuit for radio frequency antenna systems [patent_app_type] => utility [patent_app_number] => 17/545012 [patent_app_country] => US [patent_app_date] => 2021-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 29 [patent_no_of_words] => 3871 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17545012 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/545012
Cancelation circuit for radio frequency antenna systems Dec 7, 2021 Issued
Array ( [id] => 19508111 [patent_doc_number] => 12119543 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-15 [patent_title] => Antenna and electronic device comprising the same [patent_app_type] => utility [patent_app_number] => 17/541534 [patent_app_country] => US [patent_app_date] => 2021-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 35 [patent_no_of_words] => 19104 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 238 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17541534 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/541534
Antenna and electronic device comprising the same Dec 2, 2021 Issued
Array ( [id] => 20562541 [patent_doc_number] => 12565137 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-03 [patent_title] => Method for controlling a lighting system using a non-glare lighting function [patent_app_type] => utility [patent_app_number] => 18/253947 [patent_app_country] => US [patent_app_date] => 2021-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 358 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18253947 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/253947
Method for controlling a lighting system using a non-glare lighting function Nov 21, 2021 Issued
Array ( [id] => 19138304 [patent_doc_number] => 11973280 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-30 [patent_title] => Antenna element and terminal device [patent_app_type] => utility [patent_app_number] => 17/530375 [patent_app_country] => US [patent_app_date] => 2021-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 11903 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17530375 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/530375
Antenna element and terminal device Nov 17, 2021 Issued
Array ( [id] => 19654826 [patent_doc_number] => 12176632 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-24 [patent_title] => Dual-polarized filtering antenna units and dual-polarized filtering antenna arrays [patent_app_type] => utility [patent_app_number] => 17/914449 [patent_app_country] => US [patent_app_date] => 2021-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 26 [patent_no_of_words] => 8037 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 307 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17914449 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/914449
Dual-polarized filtering antenna units and dual-polarized filtering antenna arrays Nov 16, 2021 Issued
Array ( [id] => 17601468 [patent_doc_number] => 20220151043 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-12 [patent_title] => Minimum Voltage Detector Circuit [patent_app_type] => utility [patent_app_number] => 17/454939 [patent_app_country] => US [patent_app_date] => 2021-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6152 [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] => 17454939 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/454939
Minimum voltage detector circuit Nov 14, 2021 Issued
Array ( [id] => 18363836 [patent_doc_number] => 20230145427 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-11 [patent_title] => OFF-ROAD LIGHTING CONTROL SYSTEMS AND METHODS [patent_app_type] => utility [patent_app_number] => 17/523103 [patent_app_country] => US [patent_app_date] => 2021-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4966 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17523103 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/523103
OFF-ROAD LIGHTING CONTROL SYSTEMS AND METHODS Nov 9, 2021 Abandoned
Array ( [id] => 18388040 [patent_doc_number] => 11658840 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-23 [patent_title] => State retention load control system [patent_app_type] => utility [patent_app_number] => 17/521015 [patent_app_country] => US [patent_app_date] => 2021-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 23295 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17521015 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/521015
State retention load control system Nov 7, 2021 Issued
Array ( [id] => 17417554 [patent_doc_number] => 20220052458 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-17 [patent_title] => SLOT ANTENNA ON A PRINTED CIRCUIT BOARD (PCB) [patent_app_type] => utility [patent_app_number] => 17/512504 [patent_app_country] => US [patent_app_date] => 2021-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8403 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17512504 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/512504
Slot antenna on a printed circuit board (PCB) Oct 26, 2021 Issued
Array ( [id] => 20700893 [patent_doc_number] => 12623587 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-12 [patent_title] => Method for adjusting vehicle lighting when driving through a building site, and vehicle [patent_app_type] => utility [patent_app_number] => 18/267832 [patent_app_country] => US [patent_app_date] => 2021-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 0 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18267832 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/267832
Method for adjusting vehicle lighting when driving through a building site, and vehicle Oct 12, 2021 Issued
Array ( [id] => 17389270 [patent_doc_number] => 20220037122 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-03 [patent_title] => ION CURRENT DROOP COMPENSATION [patent_app_type] => utility [patent_app_number] => 17/493835 [patent_app_country] => US [patent_app_date] => 2021-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11773 [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] => 17493835 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/493835
Ion current droop compensation Oct 3, 2021 Issued
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