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] => 18645760 [patent_doc_number] => 11769841 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-26 [patent_title] => Junction barrier Schottky diode device and method for fabricating the same [patent_app_type] => utility [patent_app_number] => 17/947665 [patent_app_country] => US [patent_app_date] => 2022-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 28 [patent_no_of_words] => 4558 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17947665 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/947665
Junction barrier Schottky diode device and method for fabricating the same Sep 18, 2022 Issued
Array ( [id] => 20205531 [patent_doc_number] => 12408326 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-02 [patent_title] => Semiconductor structure and formation method thereof, and memory [patent_app_type] => utility [patent_app_number] => 17/899627 [patent_app_country] => US [patent_app_date] => 2022-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 34 [patent_no_of_words] => 7027 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17899627 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/899627
Semiconductor structure and formation method thereof, and memory Aug 30, 2022 Issued
Array ( [id] => 18967620 [patent_doc_number] => 11901403 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-13 [patent_title] => Semiconductor device and method for fabricating the same [patent_app_type] => utility [patent_app_number] => 17/898574 [patent_app_country] => US [patent_app_date] => 2022-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 11682 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17898574 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/898574
Semiconductor device and method for fabricating the same Aug 29, 2022 Issued
Array ( [id] => 18540962 [patent_doc_number] => 20230246074 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-03 [patent_title] => GRAPHENE TRANSISTOR [patent_app_type] => utility [patent_app_number] => 17/822905 [patent_app_country] => US [patent_app_date] => 2022-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3568 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 17822905 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/822905
GRAPHENE TRANSISTOR Aug 28, 2022 Abandoned
Array ( [id] => 18228098 [patent_doc_number] => 20230067092 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-02 [patent_title] => FLOATING GATE MEMRISTOR DEVICE AND NEUROMORPHIC DEVICE HAVING THE SAME [patent_app_type] => utility [patent_app_number] => 17/894242 [patent_app_country] => US [patent_app_date] => 2022-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8856 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17894242 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/894242
Floating gate memristor device and neuromorphic device having the same Aug 23, 2022 Issued
Array ( [id] => 18081286 [patent_doc_number] => 20220406898 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-22 [patent_title] => GALLIUM NITRIDE-BASED COMPOUND SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 17/893594 [patent_app_country] => US [patent_app_date] => 2022-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2547 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17893594 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/893594
Gallium nitride-based compound semiconductor device Aug 22, 2022 Issued
Array ( [id] => 18346319 [patent_doc_number] => 20230134429 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-04 [patent_title] => SEMICONDUCTOR DEVICE AND METHOD FOR FABRICATING THE SAME [patent_app_type] => utility [patent_app_number] => 17/891918 [patent_app_country] => US [patent_app_date] => 2022-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12522 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -36 [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] => 17891918 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/891918
Semiconductor device and method for fabricating the same Aug 18, 2022 Issued
Array ( [id] => 18097572 [patent_doc_number] => 20220415913 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-29 [patent_title] => MANUFACTURING METHOD OF SEMICONDUCTOR MEMORY DEVICE [patent_app_type] => utility [patent_app_number] => 17/888511 [patent_app_country] => US [patent_app_date] => 2022-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6221 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 17888511 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/888511
Manufacturing method of semiconductor memory device Aug 15, 2022 Issued
Array ( [id] => 18361014 [patent_doc_number] => 20230142605 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-11 [patent_title] => DOPED POLAR LAYERS AND SEMICONDUCTOR DEVICE INCORPORATING SAME [patent_app_type] => utility [patent_app_number] => 17/819601 [patent_app_country] => US [patent_app_date] => 2022-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 26391 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17819601 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/819601
Doped polar layers and semiconductor device incorporating same Aug 11, 2022 Issued
Array ( [id] => 18040270 [patent_doc_number] => 20220384487 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-01 [patent_title] => MEMORY DEVICE AND METHOD OF FORMING THE SAME [patent_app_type] => utility [patent_app_number] => 17/884586 [patent_app_country] => US [patent_app_date] => 2022-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11037 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17884586 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/884586
MEMORY DEVICE AND METHOD OF FORMING THE SAME Aug 9, 2022 Pending
Array ( [id] => 18828925 [patent_doc_number] => 11844226 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-12 [patent_title] => FeRAM with laminated ferroelectric film and method forming same [patent_app_type] => utility [patent_app_number] => 17/818649 [patent_app_country] => US [patent_app_date] => 2022-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 20 [patent_no_of_words] => 7373 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17818649 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/818649
FeRAM with laminated ferroelectric film and method forming same Aug 8, 2022 Issued
Array ( [id] => 18040265 [patent_doc_number] => 20220384482 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-01 [patent_title] => THREE-DIMENSIONAL SEMICONDUCTOR DEVICES [patent_app_type] => utility [patent_app_number] => 17/881707 [patent_app_country] => US [patent_app_date] => 2022-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10744 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17881707 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/881707
Three-dimensional semiconductor devices Aug 4, 2022 Issued
Array ( [id] => 20531860 [patent_doc_number] => 12550311 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-10 [patent_title] => Manufacturing method of semiconductor structure and semiconductor structure [patent_app_type] => utility [patent_app_number] => 17/817405 [patent_app_country] => US [patent_app_date] => 2022-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 24 [patent_no_of_words] => 3523 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 286 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17817405 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/817405
Manufacturing method of semiconductor structure and semiconductor structure Aug 3, 2022 Issued
Array ( [id] => 18008440 [patent_doc_number] => 20220367207 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-17 [patent_title] => SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 17/875253 [patent_app_country] => US [patent_app_date] => 2022-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9963 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17875253 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/875253
Semiconductor device and method of manufacturing semiconductor device Jul 26, 2022 Issued
Array ( [id] => 17993514 [patent_doc_number] => 20220359551 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-10 [patent_title] => STACK CAPACITOR, A FLASH MEMORY DEVICE AND A MANUFACTURING METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 17/872534 [patent_app_country] => US [patent_app_date] => 2022-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7084 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17872534 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/872534
Stack capacitor, a flash memory device and a manufacturing method thereof Jul 24, 2022 Issued
Array ( [id] => 17993506 [patent_doc_number] => 20220359543 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-10 [patent_title] => NONVOLATILE MEMORY DEVICE INCLUDING FERROELECTRIC LAYER HAVING NEGATIVE CAPACITANCE [patent_app_type] => utility [patent_app_number] => 17/872838 [patent_app_country] => US [patent_app_date] => 2022-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6041 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17872838 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/872838
Nonvolatile memory device including ferroelectric layer having negative capacitance Jul 24, 2022 Issued
Array ( [id] => 19244615 [patent_doc_number] => 12015070 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-18 [patent_title] => Gate structure and method of forming the same [patent_app_type] => utility [patent_app_number] => 17/814175 [patent_app_country] => US [patent_app_date] => 2022-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 32 [patent_figures_cnt] => 32 [patent_no_of_words] => 9915 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17814175 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/814175
Gate structure and method of forming the same Jul 20, 2022 Issued
Array ( [id] => 19081033 [patent_doc_number] => 11950427 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-02 [patent_title] => Ferroelectric memory device and method of forming the same [patent_app_type] => utility [patent_app_number] => 17/869824 [patent_app_country] => US [patent_app_date] => 2022-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 60 [patent_figures_cnt] => 63 [patent_no_of_words] => 13943 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17869824 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/869824
Ferroelectric memory device and method of forming the same Jul 20, 2022 Issued
Array ( [id] => 17986154 [patent_doc_number] => 20220352191 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-03 [patent_title] => METHOD FOR MANUFACTURING SEMICONDUCTOR STRUCTURE AND CAPABLE OF CONTROLLING THICKNESSES OF OXIDE LAYERS [patent_app_type] => utility [patent_app_number] => 17/867678 [patent_app_country] => US [patent_app_date] => 2022-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4036 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17867678 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/867678
Method for manufacturing semiconductor structure and capable of controlling thicknesses of oxide layers Jul 17, 2022 Issued
Array ( [id] => 17986153 [patent_doc_number] => 20220352190 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-03 [patent_title] => FLASH AND FABRICATING METHOD OF THE SAME [patent_app_type] => utility [patent_app_number] => 17/863367 [patent_app_country] => US [patent_app_date] => 2022-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2865 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 241 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17863367 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/863367
Flash and fabricating method of the same Jul 11, 2022 Issued
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