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] => 17072392 [patent_doc_number] => 20210274610 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-02 [patent_title] => DRIVING DEVICE [patent_app_type] => utility [patent_app_number] => 17/021522 [patent_app_country] => US [patent_app_date] => 2020-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8601 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 17021522 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/021522
Driving device Sep 14, 2020 Issued
Array ( [id] => 17986604 [patent_doc_number] => 20220352641 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-03 [patent_title] => ANTENNA DEVICE AND VEHICLE COMPRISING AN ANTENNA DEVICE [patent_app_type] => utility [patent_app_number] => 17/761015 [patent_app_country] => US [patent_app_date] => 2020-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2867 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 17761015 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/761015
Antenna device and vehicle comprising an antenna device Sep 13, 2020 Issued
Array ( [id] => 19553055 [patent_doc_number] => 12136771 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-05 [patent_title] => Hybrid antennas [patent_app_type] => utility [patent_app_number] => 18/040605 [patent_app_country] => US [patent_app_date] => 2020-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3346 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18040605 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/040605
Hybrid antennas Sep 10, 2020 Issued
Array ( [id] => 17450485 [patent_doc_number] => 20220070990 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-03 [patent_title] => LIGHTING SYSTEM FOR LOCATING WIRELESS FLOOR BEACONS IN A SPACE [patent_app_type] => utility [patent_app_number] => 17/011000 [patent_app_country] => US [patent_app_date] => 2020-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18012 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17011000 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/011000
Lighting system for locating wireless floor beacons in a space Sep 2, 2020 Issued
Array ( [id] => 16960692 [patent_doc_number] => 11064588 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-07-13 [patent_title] => Clamped resonant tank with constant soft-switching and startup overshoot prevention [patent_app_type] => utility [patent_app_number] => 17/011124 [patent_app_country] => US [patent_app_date] => 2020-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 10104 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17011124 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/011124
Clamped resonant tank with constant soft-switching and startup overshoot prevention Sep 2, 2020 Issued
Array ( [id] => 17652777 [patent_doc_number] => 11355517 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-06-07 [patent_title] => Interlayer exchange coupling logic cells [patent_app_type] => utility [patent_app_number] => 17/006818 [patent_app_country] => US [patent_app_date] => 2020-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 51 [patent_no_of_words] => 3099 [patent_no_of_claims] => 18 [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] => 17006818 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/006818
Interlayer exchange coupling logic cells Aug 28, 2020 Issued
Array ( [id] => 16929875 [patent_doc_number] => 11051384 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-06-29 [patent_title] => Circuits with short circuit protection for light emitting diodes [patent_app_type] => utility [patent_app_number] => 16/999169 [patent_app_country] => US [patent_app_date] => 2020-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 13147 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16999169 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/999169
Circuits with short circuit protection for light emitting diodes Aug 20, 2020 Issued
Array ( [id] => 17923580 [patent_doc_number] => 11466820 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-11 [patent_title] => Driver system for a light emitting device [patent_app_type] => utility [patent_app_number] => 16/947769 [patent_app_country] => US [patent_app_date] => 2020-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 6709 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 16947769 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/947769
Driver system for a light emitting device Aug 16, 2020 Issued
Array ( [id] => 16545551 [patent_doc_number] => 20200411966 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-31 [patent_title] => RADIATOR, ANTENNA AND BASE STATION [patent_app_type] => utility [patent_app_number] => 16/993310 [patent_app_country] => US [patent_app_date] => 2020-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4872 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16993310 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/993310
RADIATOR, ANTENNA AND BASE STATION Aug 13, 2020 Abandoned
Array ( [id] => 16473476 [patent_doc_number] => 20200375014 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-26 [patent_title] => RESETTABLE LIGHTING SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 16/991309 [patent_app_country] => US [patent_app_date] => 2020-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12512 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 346 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16991309 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/991309
Resettable lighting system and method Aug 11, 2020 Issued
Array ( [id] => 16457919 [patent_doc_number] => 20200367345 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-19 [patent_title] => INTELLIGENT LAMP STRING WITH INTEGRATED POWER CONTROL [patent_app_type] => utility [patent_app_number] => 16/985248 [patent_app_country] => US [patent_app_date] => 2020-08-05 [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] => -5 [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] => 16985248 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/985248
Intelligent lamp string with integrated power control Aug 4, 2020 Issued
Array ( [id] => 17683690 [patent_doc_number] => 11367955 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-06-21 [patent_title] => Multi-band antenna and method for designing multi-band antenna [patent_app_type] => utility [patent_app_number] => 16/984541 [patent_app_country] => US [patent_app_date] => 2020-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 27 [patent_no_of_words] => 12970 [patent_no_of_claims] => 16 [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] => 16984541 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/984541
Multi-band antenna and method for designing multi-band antenna Aug 3, 2020 Issued
Array ( [id] => 19064574 [patent_doc_number] => 11943849 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-26 [patent_title] => LED based illumination system [patent_app_type] => utility [patent_app_number] => 17/629980 [patent_app_country] => US [patent_app_date] => 2020-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 7436 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17629980 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/629980
LED based illumination system Jul 28, 2020 Issued
Array ( [id] => 16472387 [patent_doc_number] => 20200373925 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-26 [patent_title] => FUSED MEMORY AND ARITHMETIC CIRCUIT [patent_app_type] => utility [patent_app_number] => 16/940878 [patent_app_country] => US [patent_app_date] => 2020-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7526 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16940878 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/940878
Fused memory and arithmetic circuit Jul 27, 2020 Issued
Array ( [id] => 17033464 [patent_doc_number] => 11095287 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-08-17 [patent_title] => Asynchronous polymorphic logic gate design [patent_app_type] => utility [patent_app_number] => 16/937670 [patent_app_country] => US [patent_app_date] => 2020-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4045 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16937670 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/937670
Asynchronous polymorphic logic gate design Jul 23, 2020 Issued
Array ( [id] => 19200512 [patent_doc_number] => 11997775 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-28 [patent_title] => Communication device [patent_app_type] => utility [patent_app_number] => 17/629145 [patent_app_country] => US [patent_app_date] => 2020-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 10635 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17629145 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/629145
Communication device Jul 22, 2020 Issued
Array ( [id] => 16633128 [patent_doc_number] => 20210051782 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-18 [patent_title] => APPARATUS AND METHODS FOR SUPPLYING POWER [patent_app_type] => utility [patent_app_number] => 16/932877 [patent_app_country] => US [patent_app_date] => 2020-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10722 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -34 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16932877 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/932877
Apparatus and methods for supplying power Jul 19, 2020 Issued
Array ( [id] => 17920114 [patent_doc_number] => 20220322510 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-06 [patent_title] => SMART STARTING UP METHOD BY AN LED DRIVER [patent_app_type] => utility [patent_app_number] => 17/628067 [patent_app_country] => US [patent_app_date] => 2020-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10824 [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] => 17628067 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/628067
Smart starting up method by an LED driver Jul 15, 2020 Issued
Array ( [id] => 17842330 [patent_doc_number] => 20220279636 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-01 [patent_title] => IMPROVED BALANCE CONTROL FOR 2-CHANNEL CCT DIMMING [patent_app_type] => utility [patent_app_number] => 17/628090 [patent_app_country] => US [patent_app_date] => 2020-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4281 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17628090 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/628090
Balance control for 2-channel CCT dimming Jul 15, 2020 Issued
Array ( [id] => 17835518 [patent_doc_number] => 20220272823 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => A LIGHTING DEVICE [patent_app_type] => utility [patent_app_number] => 17/627819 [patent_app_country] => US [patent_app_date] => 2020-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6941 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17627819 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/627819
Lighting device Jul 13, 2020 Issued
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