Search

David W. Duffy

Examiner (ID: 16996, Phone: (571)272-1574 , Office: P/3716 )

Most Active Art Unit
3716
Art Unit(s)
3715, 3714, 3700, 3716
Total Applications
560
Issued Applications
295
Pending Applications
17
Abandoned Applications
251

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19484339 [patent_doc_number] => 20240332381 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => SEMICONDUCTOR DEVICE AND METHOD FOR FABRICATING THE SAME [patent_app_type] => utility [patent_app_number] => 18/382395 [patent_app_country] => US [patent_app_date] => 2023-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12906 [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] => 18382395 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/382395
SEMICONDUCTOR DEVICE AND METHOD FOR FABRICATING THE SAME Oct 19, 2023 Pending
Array ( [id] => 19993995 [patent_doc_number] => 20250132217 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-24 [patent_title] => SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/381706 [patent_app_country] => US [patent_app_date] => 2023-10-19 [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] => -17 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18381706 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/381706
SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF Oct 18, 2023 Pending
Array ( [id] => 18945657 [patent_doc_number] => 20240040796 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-01 [patent_title] => SEMICONDUCTOR DEVICE INCLUDING FERROELECTRIC LAYER AND METAL PARTICLES EMBEDDED IN METAL-ORGANIC FRAMEWORK LAYER [patent_app_type] => utility [patent_app_number] => 18/484144 [patent_app_country] => US [patent_app_date] => 2023-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10952 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 18484144 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/484144
Semiconductor device including ferroelectric layer and metal particles embedded in metal-organic framework layer Oct 9, 2023 Issued
Array ( [id] => 19894844 [patent_doc_number] => 20250120156 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-10 [patent_title] => HIGH ELECTRON MOBILITY TRANSISTOR [patent_app_type] => utility [patent_app_number] => 18/378312 [patent_app_country] => US [patent_app_date] => 2023-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2712 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18378312 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/378312
HIGH ELECTRON MOBILITY TRANSISTOR Oct 9, 2023 Pending
Array ( [id] => 19868488 [patent_doc_number] => 20250107274 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-27 [patent_title] => PHOTONIC DEVICE, A PHOTONIC SYSTEM COMPRISING THE PHOTONIC DEVICE AND A METHOD OF SPECTROSCOPIC SENSING USING THE PHOTONIC SYSTEM [patent_app_type] => utility [patent_app_number] => 18/483706 [patent_app_country] => US [patent_app_date] => 2023-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13426 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18483706 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/483706
PHOTONIC DEVICE, A PHOTONIC SYSTEM COMPRISING THE PHOTONIC DEVICE AND A METHOD OF SPECTROSCOPIC SENSING USING THE PHOTONIC SYSTEM Oct 9, 2023 Pending
Array ( [id] => 19086356 [patent_doc_number] => 20240113157 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-04 [patent_title] => SEMICONDUCTOR STRUCTURE AND FABRICATION METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/374205 [patent_app_country] => US [patent_app_date] => 2023-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5674 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 287 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18374205 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/374205
SEMICONDUCTOR STRUCTURE AND FABRICATION METHOD THEREOF Sep 27, 2023 Pending
Array ( [id] => 19582678 [patent_doc_number] => 12148808 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-19 [patent_title] => Memory device [patent_app_type] => utility [patent_app_number] => 18/476852 [patent_app_country] => US [patent_app_date] => 2023-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 30 [patent_no_of_words] => 6074 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18476852 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/476852
Memory device Sep 27, 2023 Issued
Array ( [id] => 19868384 [patent_doc_number] => 20250107170 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-27 [patent_title] => METHODS FOR ELECTRICAL ISOLATION OF TRANSISTORS [patent_app_type] => utility [patent_app_number] => 18/372301 [patent_app_country] => US [patent_app_date] => 2023-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8254 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18372301 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/372301
METHODS FOR ELECTRICAL ISOLATION OF TRANSISTORS Sep 24, 2023 Pending
Array ( [id] => 20347544 [patent_doc_number] => 12471282 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-11 [patent_title] => Microelectronic devices, memory devices, and 3D NAND flash memory devices [patent_app_type] => utility [patent_app_number] => 18/474080 [patent_app_country] => US [patent_app_date] => 2023-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7402 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 18474080 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/474080
Microelectronic devices, memory devices, and 3D NAND flash memory devices Sep 24, 2023 Issued
Array ( [id] => 19071341 [patent_doc_number] => 20240105767 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => METHOD OF FABRICATING SUPER-JUNCTION BASED VERTICAL GALLIUM NITRIDE JFET AND MOSFET POWER DEVICES [patent_app_type] => utility [patent_app_number] => 18/371956 [patent_app_country] => US [patent_app_date] => 2023-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15099 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18371956 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/371956
Method of fabricating super-junction based vertical gallium nitride JFET and MOSFET power devices Sep 21, 2023 Issued
Array ( [id] => 19850776 [patent_doc_number] => 20250096127 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-20 [patent_title] => BACKSIDE FUSE STRUCTURE UTILIZING BACKSIDE CONTACT [patent_app_type] => utility [patent_app_number] => 18/470664 [patent_app_country] => US [patent_app_date] => 2023-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15888 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18470664 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/470664
BACKSIDE FUSE STRUCTURE UTILIZING BACKSIDE CONTACT Sep 19, 2023 Pending
Array ( [id] => 19239456 [patent_doc_number] => 20240196652 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-13 [patent_title] => DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 18/468159 [patent_app_country] => US [patent_app_date] => 2023-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18926 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18468159 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/468159
Display device Sep 14, 2023 Issued
Array ( [id] => 19057046 [patent_doc_number] => 20240099015 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 18/368067 [patent_app_country] => US [patent_app_date] => 2023-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6327 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18368067 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/368067
SEMICONDUCTOR DEVICE Sep 13, 2023 Pending
Array ( [id] => 19024965 [patent_doc_number] => 20240081136 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-07 [patent_title] => System and Method for Direct Patterning Using a Compensated Shadow Mask [patent_app_type] => utility [patent_app_number] => 18/241730 [patent_app_country] => US [patent_app_date] => 2023-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4472 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18241730 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/241730
System and Method for Direct Patterning Using a Compensated Shadow Mask Aug 31, 2023 Pending
Array ( [id] => 18812559 [patent_doc_number] => 20230386896 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => METHOD FOR FABRICATING A STRAINED SEMICONDUCTOR-ON-INSULATOR SUBSTRATE [patent_app_type] => utility [patent_app_number] => 18/449298 [patent_app_country] => US [patent_app_date] => 2023-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5112 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18449298 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/449298
Method for fabricating a strained semiconductor-on-insulator substrate Aug 13, 2023 Issued
Array ( [id] => 18812602 [patent_doc_number] => 20230386939 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => SEMICONDUCTOR DEVICE AND METHOD FOR FABRICATING THE SAME [patent_app_type] => utility [patent_app_number] => 18/233331 [patent_app_country] => US [patent_app_date] => 2023-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6839 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 18233331 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/233331
Semiconductor device and method for fabricating the same Aug 13, 2023 Issued
Array ( [id] => 18814992 [patent_doc_number] => 20230389330 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURE [patent_app_type] => utility [patent_app_number] => 18/447495 [patent_app_country] => US [patent_app_date] => 2023-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9930 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18447495 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/447495
Semiconductor device and method of manufacture Aug 9, 2023 Issued
Array ( [id] => 19260931 [patent_doc_number] => 12020996 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-25 [patent_title] => Systems and methods of testing memory devices [patent_app_type] => utility [patent_app_number] => 18/232518 [patent_app_country] => US [patent_app_date] => 2023-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 38 [patent_figures_cnt] => 38 [patent_no_of_words] => 16524 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18232518 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/232518
Systems and methods of testing memory devices Aug 9, 2023 Issued
Array ( [id] => 19206314 [patent_doc_number] => 20240178213 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-30 [patent_title] => SEMICONDUCTOR DEVICE INCLUDING COMMON BODY BIAS REGION [patent_app_type] => utility [patent_app_number] => 18/226037 [patent_app_country] => US [patent_app_date] => 2023-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8349 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18226037 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/226037
SEMICONDUCTOR DEVICE INCLUDING COMMON BODY BIAS REGION Jul 24, 2023 Pending
Array ( [id] => 19859666 [patent_doc_number] => 12262542 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-25 [patent_title] => Ferroelectric memory device [patent_app_type] => utility [patent_app_number] => 18/357153 [patent_app_country] => US [patent_app_date] => 2023-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 18 [patent_no_of_words] => 8034 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18357153 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/357153
Ferroelectric memory device Jul 22, 2023 Issued
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