Search

Daniel D. Chang

Examiner (ID: 2075, Phone: (571)272-1801 , Office: P/2844 )

Most Active Art Unit
2844
Art Unit(s)
2819, 2844, 0, 2845
Total Applications
2549
Issued Applications
2320
Pending Applications
112
Abandoned Applications
143

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20236374 [patent_doc_number] => 20250293693 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-18 [patent_title] => SEMICONDUCTOR DEVICE AND SEMICONDUCTOR SYSTEM INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 18/882190 [patent_app_country] => US [patent_app_date] => 2024-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2391 [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] => 18882190 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/882190
SEMICONDUCTOR DEVICE AND SEMICONDUCTOR SYSTEM INCLUDING THE SAME Sep 10, 2024 Pending
Array ( [id] => 19788849 [patent_doc_number] => 20250062528 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-20 [patent_title] => COMMUNICATION DEVICE COMPRISING A RETROREFLECTIVE STRUCTURE [patent_app_type] => utility [patent_app_number] => 18/820756 [patent_app_country] => US [patent_app_date] => 2024-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5592 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18820756 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/820756
COMMUNICATION DEVICE COMPRISING A RETROREFLECTIVE STRUCTURE Aug 29, 2024 Pending
Array ( [id] => 20572973 [patent_doc_number] => 20260066902 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-05 [patent_title] => FAILSAFE INPUT-OUTPUT CIRCUIT [patent_app_type] => utility [patent_app_number] => 18/817852 [patent_app_country] => US [patent_app_date] => 2024-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12600 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18817852 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/817852
FAILSAFE INPUT-OUTPUT CIRCUIT Aug 27, 2024 Pending
Array ( [id] => 19987583 [patent_doc_number] => 20250125805 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-17 [patent_title] => GPIO CIRCUIT AND CHIP [patent_app_type] => utility [patent_app_number] => 18/809896 [patent_app_country] => US [patent_app_date] => 2024-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6407 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18809896 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/809896
GPIO CIRCUIT AND CHIP Aug 19, 2024 Pending
Array ( [id] => 20515196 [patent_doc_number] => 20260039299 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-02-05 [patent_title] => MULTIPLE OR SINGLE VOLTAGE DOMAIN LOGIC GATE CIRCUITRY [patent_app_type] => utility [patent_app_number] => 18/789475 [patent_app_country] => US [patent_app_date] => 2024-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7667 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18789475 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/789475
MULTIPLE OR SINGLE VOLTAGE DOMAIN LOGIC GATE CIRCUITRY Jul 29, 2024 Pending
Array ( [id] => 19590907 [patent_doc_number] => 20240388464 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => CONTROLLING GROUPS OF ELECTRICAL LOADS VIA MULTICAST AND/OR UNICAST MESSAGES [patent_app_type] => utility [patent_app_number] => 18/785242 [patent_app_country] => US [patent_app_date] => 2024-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12357 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18785242 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/785242
CONTROLLING GROUPS OF ELECTRICAL LOADS VIA MULTICAST AND/OR UNICAST MESSAGES Jul 25, 2024 Pending
Array ( [id] => 20442954 [patent_doc_number] => 12513799 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-30 [patent_title] => Off-fixture lighting control circuit [patent_app_type] => utility [patent_app_number] => 18/784419 [patent_app_country] => US [patent_app_date] => 2024-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 33 [patent_figures_cnt] => 29 [patent_no_of_words] => 15248 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18784419 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/784419
Off-fixture lighting control circuit Jul 24, 2024 Issued
Array ( [id] => 19852702 [patent_doc_number] => 20250098053 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-20 [patent_title] => MUSIC VISUALIZATION METHOD FOR LIGHT SHOW AND APPARATUS THEREOF [patent_app_type] => utility [patent_app_number] => 18/782597 [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] => 12335 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18782597 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/782597
MUSIC VISUALIZATION METHOD FOR LIGHT SHOW AND APPARATUS THEREOF Jul 23, 2024 Pending
Array ( [id] => 20488939 [patent_doc_number] => 20260025141 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-22 [patent_title] => NEGATIVE VOLTAGE LEVEL SHIFTER [patent_app_type] => utility [patent_app_number] => 18/777717 [patent_app_country] => US [patent_app_date] => 2024-07-19 [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] => -20 [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] => 18777717 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/777717
NEGATIVE VOLTAGE LEVEL SHIFTER Jul 18, 2024 Pending
Array ( [id] => 19560454 [patent_doc_number] => 20240372246 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => ELECTRONIC DEVICE INCLUDING ANTENNA INCLUDING COUPLING-FEEDING STRUCTURE [patent_app_type] => utility [patent_app_number] => 18/773804 [patent_app_country] => US [patent_app_date] => 2024-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11081 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 18773804 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/773804
ELECTRONIC DEVICE INCLUDING ANTENNA INCLUDING COUPLING-FEEDING STRUCTURE Jul 15, 2024 Pending
Array ( [id] => 19533820 [patent_doc_number] => 20240357722 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => SYSTEM AND METHOD FOR DRIVING AND CONTROLLING LIGHT SOURCES [patent_app_type] => utility [patent_app_number] => 18/758919 [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] => 12951 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18758919 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/758919
SYSTEM AND METHOD FOR DRIVING AND CONTROLLING LIGHT SOURCES Jun 27, 2024 Pending
Array ( [id] => 19644863 [patent_doc_number] => 20240419383 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-19 [patent_title] => IMAGE GENERATING DEVICE AND COMMUNICATION CIRCUIT THEREOF [patent_app_type] => utility [patent_app_number] => 18/741690 [patent_app_country] => US [patent_app_date] => 2024-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5352 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18741690 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/741690
IMAGE GENERATING DEVICE AND COMMUNICATION CIRCUIT THEREOF Jun 11, 2024 Pending
Array ( [id] => 20410469 [patent_doc_number] => 20250379578 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-11 [patent_title] => OPTIMIZING CENTRAL PROCESSING UNIT (CPU) CACHE MEMORY DC POWER WITH RAIL VOTING SCHEME [patent_app_type] => utility [patent_app_number] => 18/738893 [patent_app_country] => US [patent_app_date] => 2024-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2056 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18738893 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/738893
Optimizing central processing unit (CPU) cache memory DC power with rail voting scheme Jun 9, 2024 Issued
Array ( [id] => 19692245 [patent_doc_number] => 20250010790 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-09 [patent_title] => LIGHTING SYSTEM FOR A VEHICLE, METHOD OF OPERATING A LIGHTING SYSTEM, AND VEHICLE [patent_app_type] => utility [patent_app_number] => 18/731592 [patent_app_country] => US [patent_app_date] => 2024-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6895 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18731592 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/731592
LIGHTING SYSTEM FOR A VEHICLE, METHOD OF OPERATING A LIGHTING SYSTEM, AND VEHICLE Jun 2, 2024 Pending
Array ( [id] => 19454771 [patent_doc_number] => 20240314901 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => LIGHT SOURCE DEVICE, OBSERVATION SYSTEM, AND COLOR-BALANCE CORRECTION METHOD [patent_app_type] => utility [patent_app_number] => 18/678809 [patent_app_country] => US [patent_app_date] => 2024-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8626 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 18678809 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/678809
Light source device, observation system, and color-balance correction method May 29, 2024 Issued
Array ( [id] => 20582753 [patent_doc_number] => 12575013 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-10 [patent_title] => Variable input device utilizing time-of-flight of an optical transmission through a discontinuous optical guide [patent_app_type] => utility [patent_app_number] => 18/670175 [patent_app_country] => US [patent_app_date] => 2024-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4082 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18670175 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/670175
Variable input device utilizing time-of-flight of an optical transmission through a discontinuous optical guide May 20, 2024 Issued
Array ( [id] => 20368114 [patent_doc_number] => 20250357926 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-20 [patent_title] => SEMICONDUCTOR DEVICE AND OPERATING METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/663791 [patent_app_country] => US [patent_app_date] => 2024-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2130 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18663791 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/663791
SEMICONDUCTOR DEVICE AND OPERATING METHOD THEREOF May 13, 2024 Pending
Array ( [id] => 20351919 [patent_doc_number] => 20250348771 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-13 [patent_title] => Quantum Streaming Kernel [patent_app_type] => utility [patent_app_number] => 18/645818 [patent_app_country] => US [patent_app_date] => 2024-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7022 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18645818 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/645818
Quantum Streaming Kernel Apr 24, 2024 Pending
Array ( [id] => 19351197 [patent_doc_number] => 20240260161 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => RESETTABLE LIGHTING SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 18/635449 [patent_app_country] => US [patent_app_date] => 2024-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12552 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 18635449 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/635449
RESETTABLE LIGHTING SYSTEM AND METHOD Apr 14, 2024 Pending
Array ( [id] => 20294360 [patent_doc_number] => 20250319603 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-16 [patent_title] => DISTANCE-BASED LED POWER MODULATION IN SURGICAL TRACKING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/632016 [patent_app_country] => US [patent_app_date] => 2024-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2161 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18632016 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/632016
DISTANCE-BASED LED POWER MODULATION IN SURGICAL TRACKING SYSTEM Apr 9, 2024 Pending
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