Search

Nusrat Quddus

Examiner (ID: 8419)

Most Active Art Unit
2838
Art Unit(s)
2838, 2839
Total Applications
954
Issued Applications
819
Pending Applications
74
Abandoned Applications
88

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18925057 [patent_doc_number] => 20240028061 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => FEEDBACK CONTROL SYSTEM AND FEEDBACK CONTROL METHOD [patent_app_type] => utility [patent_app_number] => 18/334391 [patent_app_country] => US [patent_app_date] => 2023-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6312 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18334391 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/334391
FEEDBACK CONTROL SYSTEM AND FEEDBACK CONTROL METHOD Jun 13, 2023 Pending
Array ( [id] => 19617057 [patent_doc_number] => 20240402737 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => REFERENCE CIRCUIT [patent_app_type] => utility [patent_app_number] => 18/325603 [patent_app_country] => US [patent_app_date] => 2023-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7171 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18325603 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/325603
REFERENCE CIRCUIT May 29, 2023 Pending
Array ( [id] => 20623757 [patent_doc_number] => 12591263 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-31 [patent_title] => Voltage and current reference circuits providing voltage and currents with near zero temperature coefficients [patent_app_type] => utility [patent_app_number] => 18/202093 [patent_app_country] => US [patent_app_date] => 2023-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 16 [patent_no_of_words] => 2228 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18202093 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/202093
Voltage and current reference circuits providing voltage and currents with near zero temperature coefficients May 24, 2023 Issued
Array ( [id] => 20259446 [patent_doc_number] => 12431812 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-30 [patent_title] => Active clamp flyback converter having clamp switch and clamp capacitor and control IC for controlling the clamp switch to limit resonance current [patent_app_type] => utility [patent_app_number] => 18/321835 [patent_app_country] => US [patent_app_date] => 2023-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 27 [patent_no_of_words] => 5963 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18321835 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/321835
Active clamp flyback converter having clamp switch and clamp capacitor and control IC for controlling the clamp switch to limit resonance current May 22, 2023 Issued
Array ( [id] => 18614036 [patent_doc_number] => 20230280773 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => POWER SUPPLY REJECTION ENHANCER [patent_app_type] => utility [patent_app_number] => 18/315402 [patent_app_country] => US [patent_app_date] => 2023-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10784 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18315402 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/315402
Power supply rejection enhancer May 9, 2023 Issued
Array ( [id] => 20124914 [patent_doc_number] => 20250239945 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-24 [patent_title] => METHOD FOR IMPROVING EFFICIENCY OF MICRO-INVERTER AND DUAL-ACTIVE-BRIDGE-TYPE MICRO-INVERTER [patent_app_type] => utility [patent_app_number] => 18/703364 [patent_app_country] => US [patent_app_date] => 2023-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19660 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18703364 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/703364
METHOD FOR IMPROVING EFFICIENCY OF MICRO-INVERTER AND DUAL-ACTIVE-BRIDGE-TYPE MICRO-INVERTER May 5, 2023 Pending
Array ( [id] => 20718329 [patent_doc_number] => 12633589 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-19 [patent_title] => Power supply device having a control device that calculates a first index indicating an amount of decrease in an electrolyte solution [patent_app_type] => utility [patent_app_number] => 18/143855 [patent_app_country] => US [patent_app_date] => 2023-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 1245 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18143855 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/143855
POWER SUPPLY DEVICE May 4, 2023 Issued
Array ( [id] => 18600712 [patent_doc_number] => 20230275515 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-31 [patent_title] => POWER SUPPLY DEVICE [patent_app_type] => utility [patent_app_number] => 18/312009 [patent_app_country] => US [patent_app_date] => 2023-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6281 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18312009 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/312009
Power supply device May 3, 2023 Issued
Array ( [id] => 19560687 [patent_doc_number] => 20240372479 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => DC-TO-DC CONVERTERS [patent_app_type] => utility [patent_app_number] => 18/311060 [patent_app_country] => US [patent_app_date] => 2023-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9607 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18311060 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/311060
DC-TO-DC CONVERTERS May 1, 2023 Pending
Array ( [id] => 20456328 [patent_doc_number] => 12519391 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-06 [patent_title] => Switching power converters including boosted coupled inductors and injection stages, and associated methods [patent_app_type] => utility [patent_app_number] => 18/310076 [patent_app_country] => US [patent_app_date] => 2023-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 42 [patent_figures_cnt] => 86 [patent_no_of_words] => 15808 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18310076 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/310076
Switching power converters including boosted coupled inductors and injection stages, and associated methods Apr 30, 2023 Issued
Array ( [id] => 19500895 [patent_doc_number] => 20240339913 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-10 [patent_title] => AVERAGE CURRENT MODE CONTROL OF DIGITAL VOLTAGE SOURCES [patent_app_type] => utility [patent_app_number] => 18/131545 [patent_app_country] => US [patent_app_date] => 2023-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11287 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18131545 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/131545
Average current mode control of digital voltage sources Apr 5, 2023 Issued
Array ( [id] => 20118646 [patent_doc_number] => 12368368 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-22 [patent_title] => Isolated resonant conversion control method, apparatus and system, and readable storage medium based on switching frequency of input-side switch transistor [patent_app_type] => utility [patent_app_number] => 18/295925 [patent_app_country] => US [patent_app_date] => 2023-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 2226 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18295925 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/295925
Isolated resonant conversion control method, apparatus and system, and readable storage medium based on switching frequency of input-side switch transistor Apr 4, 2023 Issued
Array ( [id] => 20375684 [patent_doc_number] => 12483129 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-25 [patent_title] => Control of two-stage dc-dc converter [patent_app_type] => utility [patent_app_number] => 18/129312 [patent_app_country] => US [patent_app_date] => 2023-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 3238 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 18129312 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/129312
Control of two-stage dc-dc converter Mar 30, 2023 Issued
Array ( [id] => 19161813 [patent_doc_number] => 20240154520 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-09 [patent_title] => POWER FACTOR CORRECTION CONVERTER AND OPERATION METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/193591 [patent_app_country] => US [patent_app_date] => 2023-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5326 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18193591 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/193591
Power factor correction converter and operation method thereof Mar 29, 2023 Issued
Array ( [id] => 18662014 [patent_doc_number] => 20230308031 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => POWER CONVERSION DEVICE, IMAGE FORMING APPARATUS, AND POWER CONVERSION CONTROL METHOD [patent_app_type] => utility [patent_app_number] => 18/122727 [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] => 4860 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18122727 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/122727
Power conversion device, image forming apparatus, and power conversion control method Mar 16, 2023 Issued
Array ( [id] => 18730061 [patent_doc_number] => 20230344359 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-26 [patent_title] => AC-To-DC Power Supplies, Control Methods, and Power Controllers with Functions of PFC and Output Voltage Regulation [patent_app_type] => utility [patent_app_number] => 18/183298 [patent_app_country] => US [patent_app_date] => 2023-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9090 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18183298 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/183298
AC-To-DC Power Supplies, Control Methods, and Power Controllers with Functions of PFC and Output Voltage Regulation Mar 13, 2023 Pending
Array ( [id] => 19436708 [patent_doc_number] => 20240305206 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => OVERLOAD PROTECTION IN A VOLTAGE CONVERTER [patent_app_type] => utility [patent_app_number] => 18/119033 [patent_app_country] => US [patent_app_date] => 2023-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11114 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18119033 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/119033
OVERLOAD PROTECTION IN A VOLTAGE CONVERTER Mar 7, 2023 Pending
Array ( [id] => 20204470 [patent_doc_number] => 12407259 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-02 [patent_title] => Method and apparatus for suppressing audible buzz from high-efficiency switching-mode power supply [patent_app_type] => utility [patent_app_number] => 18/117344 [patent_app_country] => US [patent_app_date] => 2023-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18117344 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/117344
Method and apparatus for suppressing audible buzz from high-efficiency switching-mode power supply Mar 2, 2023 Issued
Array ( [id] => 19421449 [patent_doc_number] => 20240297573 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-05 [patent_title] => METHOD AND APPARATUS FOR REDUCING AUDIBLE BUZZ FROM A SWITCHING-MODE POWER SUPPLY [patent_app_type] => utility [patent_app_number] => 18/117347 [patent_app_country] => US [patent_app_date] => 2023-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4077 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18117347 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/117347
Method and apparatus for reducing audible buzz from a switching-mode power supply Mar 2, 2023 Issued
Array ( [id] => 18713457 [patent_doc_number] => 20230336093 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-19 [patent_title] => INTEGRATED CIRCUIT AND POWER SUPPLY CIRCUIT [patent_app_type] => utility [patent_app_number] => 18/174004 [patent_app_country] => US [patent_app_date] => 2023-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13779 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18174004 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/174004
Integrated circuit and power supply circuit Feb 23, 2023 Issued
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