Search

Igwe U. Anya

Examiner (ID: 10590, Phone: (571)272-1887 , Office: P/2891 )

Most Active Art Unit
2891
Art Unit(s)
2829, 2891, 2825
Total Applications
1840
Issued Applications
1548
Pending Applications
125
Abandoned Applications
194

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20405574 [patent_doc_number] => 12495564 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-09 [patent_title] => Semiconductor device [patent_app_type] => utility [patent_app_number] => 18/302773 [patent_app_country] => US [patent_app_date] => 2023-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 4767 [patent_no_of_claims] => 20 [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] => 18302773 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/302773
Semiconductor device Apr 17, 2023 Issued
Array ( [id] => 19370632 [patent_doc_number] => 12062726 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-13 [patent_title] => Semiconductor device [patent_app_type] => utility [patent_app_number] => 18/301899 [patent_app_country] => US [patent_app_date] => 2023-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 50 [patent_no_of_words] => 15787 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18301899 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/301899
Semiconductor device Apr 16, 2023 Issued
Array ( [id] => 19428385 [patent_doc_number] => 12087822 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-10 [patent_title] => Trench SiC MOSFET integrated with high-speed flyback diode and preparation method thereof [patent_app_type] => utility [patent_app_number] => 18/580161 [patent_app_country] => US [patent_app_date] => 2023-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 4181 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 601 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18580161 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/580161
Trench SiC MOSFET integrated with high-speed flyback diode and preparation method thereof Apr 12, 2023 Issued
Array ( [id] => 20347600 [patent_doc_number] => 12471338 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-11 [patent_title] => Trench type silicon carbide MOSFET structure and preparation method thereof [patent_app_type] => utility [patent_app_number] => 18/299372 [patent_app_country] => US [patent_app_date] => 2023-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 0 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18299372 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/299372
Trench type silicon carbide MOSFET structure and preparation method thereof Apr 11, 2023 Issued
Array ( [id] => 19468362 [patent_doc_number] => 20240322032 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => POWER MOSFET AND MANUFACTURING METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/192683 [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] => 4390 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18192683 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/192683
Power MOSFET and manufacturing method thereof Mar 29, 2023 Issued
Array ( [id] => 19900344 [patent_doc_number] => 12278284 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-15 [patent_title] => Power semiconductor devices including a trenched gate and methods of forming such devices [patent_app_type] => utility [patent_app_number] => 18/125779 [patent_app_country] => US [patent_app_date] => 2023-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 30 [patent_no_of_words] => 6660 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18125779 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/125779
Power semiconductor devices including a trenched gate and methods of forming such devices Mar 23, 2023 Issued
Array ( [id] => 18540984 [patent_doc_number] => 20230246096 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-03 [patent_title] => SEMICONDUCTOR CELL STRUCTURE, IGBT CELL STRUCTURE, SEMICONDUCTOR STRUCTURE, AND METHOD FOR MANUFACTURING IGBT CELL STRUCTURE [patent_app_type] => utility [patent_app_number] => 18/187852 [patent_app_country] => US [patent_app_date] => 2023-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4888 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 18187852 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/187852
Semiconductor cell structure, IGBT cell structure, semiconductor structure, and method for manufacturing IGBT cell structure Mar 21, 2023 Issued
Array ( [id] => 20307099 [patent_doc_number] => 12453110 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-21 [patent_title] => Semiconductor device [patent_app_type] => utility [patent_app_number] => 18/188452 [patent_app_country] => US [patent_app_date] => 2023-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 23 [patent_no_of_words] => 7889 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18188452 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/188452
Semiconductor device Mar 21, 2023 Issued
Array ( [id] => 20217655 [patent_doc_number] => 12414324 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-09 [patent_title] => Semiconductor device and fabrication method thereof [patent_app_type] => utility [patent_app_number] => 18/122726 [patent_app_country] => US [patent_app_date] => 2023-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 3321 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18122726 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/122726
Semiconductor device and fabrication method thereof Mar 16, 2023 Issued
Array ( [id] => 18661517 [patent_doc_number] => 20230307531 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => Dual Gate Power Semiconductor Device and Method of Controlling a Dual Gate Power Semiconductor Device [patent_app_type] => utility [patent_app_number] => 18/122918 [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] => 10030 [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] => 18122918 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/122918
Dual Gate Power Semiconductor Device and Method of Controlling a Dual Gate Power Semiconductor Device Mar 16, 2023 Pending
Array ( [id] => 19452794 [patent_doc_number] => 20240312924 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => FIDUCIAL DESIGN OPTIMIZATION FOR LAND SIDE DEVICE ANYWHERE PACKAGE ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/122250 [patent_app_country] => US [patent_app_date] => 2023-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12153 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18122250 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/122250
FIDUCIAL DESIGN OPTIMIZATION FOR LAND SIDE DEVICE ANYWHERE PACKAGE ASSEMBLY Mar 15, 2023 Pending
Array ( [id] => 18851153 [patent_doc_number] => 20230413557 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-21 [patent_title] => SEMICONDUCTOR DEVICES [patent_app_type] => utility [patent_app_number] => 18/183903 [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] => 10473 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18183903 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/183903
Semiconductor devices Mar 13, 2023 Issued
Array ( [id] => 19086407 [patent_doc_number] => 20240113208 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-04 [patent_title] => SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 18/180716 [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] => 5015 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 18180716 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/180716
SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE Mar 7, 2023 Pending
Array ( [id] => 19055055 [patent_doc_number] => 20240097024 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 18/179294 [patent_app_country] => US [patent_app_date] => 2023-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5823 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 268 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18179294 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/179294
SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE Mar 5, 2023 Pending
Array ( [id] => 20191255 [patent_doc_number] => 12402395 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-26 [patent_title] => Semiconductor device, inverter circuit, driving device, vehicle, and elevator [patent_app_type] => utility [patent_app_number] => 18/177883 [patent_app_country] => US [patent_app_date] => 2023-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 33 [patent_no_of_words] => 7485 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 396 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18177883 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/177883
Semiconductor device, inverter circuit, driving device, vehicle, and elevator Mar 2, 2023 Issued
Array ( [id] => 20531948 [patent_doc_number] => 12550400 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-10 [patent_title] => Manufacturing method of semiconductor device [patent_app_type] => utility [patent_app_number] => 18/177478 [patent_app_country] => US [patent_app_date] => 2023-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 37 [patent_figures_cnt] => 37 [patent_no_of_words] => 4913 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 274 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18177478 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/177478
Manufacturing method of semiconductor device Mar 1, 2023 Issued
Array ( [id] => 18615957 [patent_doc_number] => 20230282696 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => SUPER-JUNCTION DEVICE [patent_app_type] => utility [patent_app_number] => 18/176547 [patent_app_country] => US [patent_app_date] => 2023-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4682 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18176547 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/176547
Super-junction device Feb 28, 2023 Issued
Array ( [id] => 18500675 [patent_doc_number] => 20230223471 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-13 [patent_title] => SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 18/175196 [patent_app_country] => US [patent_app_date] => 2023-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11586 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 391 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18175196 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/175196
Semiconductor device Feb 26, 2023 Issued
Array ( [id] => 20509065 [patent_doc_number] => 12543357 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-03 [patent_title] => Semiconductor device [patent_app_type] => utility [patent_app_number] => 18/172348 [patent_app_country] => US [patent_app_date] => 2023-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 8065 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 374 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18172348 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/172348
Semiconductor device Feb 21, 2023 Issued
Array ( [id] => 18473400 [patent_doc_number] => 20230207688 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-29 [patent_title] => SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME [patent_app_type] => utility [patent_app_number] => 18/172498 [patent_app_country] => US [patent_app_date] => 2023-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7191 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 539 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18172498 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/172498
Semiconductor device and method of manufacturing the same Feb 21, 2023 Issued
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