Search

Daniel D. Chang

Examiner (ID: 461, Phone: (571)272-1801 , Office: P/2844 )

Most Active Art Unit
2844
Art Unit(s)
2845, 2819, 2844, 0
Total Applications
2565
Issued Applications
2341
Pending Applications
103
Abandoned Applications
143

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19804857 [patent_doc_number] => 20250070782 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-27 [patent_title] => APPARATUSES AND METHODS FOR IDENTIFYING MEMORY DEVICES OF A SEMICONDUCTOR DEVICE SHARING AN EXTERNAL RESISTANCE [patent_app_type] => utility [patent_app_number] => 18/948223 [patent_app_country] => US [patent_app_date] => 2024-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7974 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18948223 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/948223
APPARATUSES AND METHODS FOR IDENTIFYING MEMORY DEVICES OF A SEMICONDUCTOR DEVICE SHARING AN EXTERNAL RESISTANCE Nov 13, 2024 Issued
Array ( [id] => 20648694 [patent_doc_number] => 12603650 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-14 [patent_title] => Active gate driver [patent_app_type] => utility [patent_app_number] => 18/940244 [patent_app_country] => US [patent_app_date] => 2024-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 1120 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 329 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18940244 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/940244
Active gate driver Nov 6, 2024 Issued
Array ( [id] => 20020395 [patent_doc_number] => 20250158617 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-15 [patent_title] => CLOCK SIGNAL DETECTION CIRCUIT, CORRESPONDING ELECTRONIC DEVICE AND METHOD OF OPERATION [patent_app_type] => utility [patent_app_number] => 18/938809 [patent_app_country] => US [patent_app_date] => 2024-11-06 [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] => -12 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18938809 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/938809
CLOCK SIGNAL DETECTION CIRCUIT, CORRESPONDING ELECTRONIC DEVICE AND METHOD OF OPERATION Nov 5, 2024 Pending
Array ( [id] => 20009691 [patent_doc_number] => 20250147913 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => TWO-STAGE DATA SERIALIZATION [patent_app_type] => utility [patent_app_number] => 18/934506 [patent_app_country] => US [patent_app_date] => 2024-11-01 [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] => -19 [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] => 18934506 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/934506
TWO-STAGE DATA SERIALIZATION Oct 31, 2024 Pending
Array ( [id] => 19749854 [patent_doc_number] => 20250038419 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => CUBESAT ANTENNA AND METHOD OF FORMING [patent_app_type] => utility [patent_app_number] => 18/911968 [patent_app_country] => US [patent_app_date] => 2024-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8321 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 18911968 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/911968
CUBESAT ANTENNA AND METHOD OF FORMING Oct 9, 2024 Pending
Array ( [id] => 19881161 [patent_doc_number] => 20250113418 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-03 [patent_title] => VEHICULAR CABIN MONITORING SYSTEM WITH LIGHT CONTROL BASED ON OCCUPANT LOCATION [patent_app_type] => utility [patent_app_number] => 18/904108 [patent_app_country] => US [patent_app_date] => 2024-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5113 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -37 [patent_words_short_claim] => 250 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18904108 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/904108
VEHICULAR CABIN MONITORING SYSTEM WITH LIGHT CONTROL BASED ON OCCUPANT LOCATION Oct 1, 2024 Pending
Array ( [id] => 20631061 [patent_doc_number] => 20260095350 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-04-02 [patent_title] => TRANSMITTER CIRCUIT WITH RINGING SUPPRESSION [patent_app_type] => utility [patent_app_number] => 18/904583 [patent_app_country] => US [patent_app_date] => 2024-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9208 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -51 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18904583 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/904583
TRANSMITTER CIRCUIT WITH RINGING SUPPRESSION Oct 1, 2024 Pending
Array ( [id] => 20544338 [patent_doc_number] => 20260051231 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-02-19 [patent_title] => LED DOWNLIGHT POWER SUPPLY CIRCUIT AND LED DOWNLIGHT [patent_app_type] => utility [patent_app_number] => 18/900696 [patent_app_country] => US [patent_app_date] => 2024-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1247 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 307 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18900696 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/900696
LED downlight power supply circuit and LED downlight Sep 27, 2024 Issued
Array ( [id] => 19698352 [patent_doc_number] => 20250016897 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-09 [patent_title] => DISPLAY APPARATUS [patent_app_type] => utility [patent_app_number] => 18/895335 [patent_app_country] => US [patent_app_date] => 2024-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24333 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 257 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18895335 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/895335
Display apparatus Sep 23, 2024 Issued
Array ( [id] => 20559836 [patent_doc_number] => 20260059626 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-02-26 [patent_title] => EFFICIENT, ENERGY-SAVING AND SAFE THREE-COLOR LED CONTROL CIRCUIT [patent_app_type] => utility [patent_app_number] => 18/882803 [patent_app_country] => US [patent_app_date] => 2024-09-12 [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] => -7 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18882803 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/882803
EFFICIENT, ENERGY-SAVING AND SAFE THREE-COLOR LED CONTROL CIRCUIT Sep 11, 2024 Pending
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] => 20488936 [patent_doc_number] => 20260025138 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-22 [patent_title] => METHODS AND SEMICONDUCTOR INTEGRATED CIRCUITS FOR MANAGING LOGICAL BEHAVIOUR OF FLOATING INPUT PIN [patent_app_type] => utility [patent_app_number] => 18/818812 [patent_app_country] => US [patent_app_date] => 2024-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3542 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18818812 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/818812
METHODS AND SEMICONDUCTOR INTEGRATED CIRCUITS FOR MANAGING LOGICAL BEHAVIOUR OF FLOATING INPUT PIN Aug 28, 2024 Pending
Array ( [id] => 20733475 [patent_doc_number] => 12640737 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-26 [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] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 12833 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [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 Issued
Array ( [id] => 20830024 [patent_doc_number] => 12683612 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-07-14 [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] => 9 [patent_figures_cnt] => 15 [patent_no_of_words] => 6355 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [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 Issued
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 Issued
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 Issued
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 Issued
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