Search

Luke D. Ratcliffe

Examiner (ID: 12131, Phone: (571)272-3110 , Office: P/3645 )

Most Active Art Unit
3645
Art Unit(s)
3662, 3645
Total Applications
2113
Issued Applications
1787
Pending Applications
109
Abandoned Applications
241

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20484185 [patent_doc_number] => 12532666 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-20 [patent_title] => Method for manufacturing a memory device using multiple etching processes [patent_app_type] => utility [patent_app_number] => 17/672073 [patent_app_country] => US [patent_app_date] => 2022-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 23 [patent_no_of_words] => 4563 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17672073 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/672073
Method for manufacturing a memory device using multiple etching processes Feb 14, 2022 Issued
Array ( [id] => 19071241 [patent_doc_number] => 20240105667 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => ALUMINUM BONDING WIRE FOR POWER SEMICONDUCTOR [patent_app_type] => utility [patent_app_number] => 18/263000 [patent_app_country] => US [patent_app_date] => 2022-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23881 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 18263000 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/263000
ALUMINUM BONDING WIRE FOR POWER SEMICONDUCTOR Jan 24, 2022 Pending
Array ( [id] => 19604810 [patent_doc_number] => 20240395690 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-28 [patent_title] => SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 18/695493 [patent_app_country] => US [patent_app_date] => 2022-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3918 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18695493 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/695493
SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE Jan 18, 2022 Pending
Array ( [id] => 17583376 [patent_doc_number] => 20220140231 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-05 [patent_title] => SPIN-ORBIT-TORQUE MAGNETIZATION ROTATIONAL ELEMENT AND MAGNETIC MEMORY [patent_app_type] => utility [patent_app_number] => 17/578625 [patent_app_country] => US [patent_app_date] => 2022-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8398 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 17578625 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/578625
Spin-orbit-torque magnetization rotational element and magnetic memory Jan 18, 2022 Issued
Array ( [id] => 20161309 [patent_doc_number] => 12387943 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-12 [patent_title] => Structure for embedded gettering in a silicon on insulator wafer [patent_app_type] => utility [patent_app_number] => 17/562247 [patent_app_country] => US [patent_app_date] => 2021-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 1184 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17562247 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/562247
Structure for embedded gettering in a silicon on insulator wafer Dec 26, 2021 Issued
Array ( [id] => 17708812 [patent_doc_number] => 20220208820 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-30 [patent_title] => OPTICAL SENSOR, OPTICAL SENSOR UNIT, OPTICAL SENSOR DEVICE, AND INFORMATION TERMINAL DEVICE [patent_app_type] => utility [patent_app_number] => 17/559135 [patent_app_country] => US [patent_app_date] => 2021-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8561 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 17559135 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/559135
Optical sensor, optical sensor unit, optical sensor device, and information terminal device Dec 21, 2021 Issued
Array ( [id] => 19278989 [patent_doc_number] => 12029135 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-02 [patent_title] => Magnetic random-access memory cell, memory and device [patent_app_type] => utility [patent_app_number] => 17/555441 [patent_app_country] => US [patent_app_date] => 2021-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 9725 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17555441 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/555441
Magnetic random-access memory cell, memory and device Dec 17, 2021 Issued
Array ( [id] => 18442362 [patent_doc_number] => 20230189658 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-15 [patent_title] => PARAMAGNETIC HEXAGONAL METAL PHASE COUPLING SPACER [patent_app_type] => utility [patent_app_number] => 17/550464 [patent_app_country] => US [patent_app_date] => 2021-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5626 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17550464 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/550464
Paramagnetic hexagonal metal phase coupling spacer Dec 13, 2021 Issued
Array ( [id] => 19430051 [patent_doc_number] => 12089505 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-10 [patent_title] => Magnetic memory device [patent_app_type] => utility [patent_app_number] => 17/546455 [patent_app_country] => US [patent_app_date] => 2021-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 2529 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17546455 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/546455
Magnetic memory device Dec 8, 2021 Issued
Array ( [id] => 18945796 [patent_doc_number] => 20240040935 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-01 [patent_title] => SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 18/256946 [patent_app_country] => US [patent_app_date] => 2021-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6431 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 18256946 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/256946
SEMICONDUCTOR DEVICE Dec 8, 2021 Issued
Array ( [id] => 17509734 [patent_doc_number] => 20220102837 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => ANTENNA PACKAGE STRUCTURE AND ANTENNA PACKAGING METHOD [patent_app_type] => utility [patent_app_number] => 17/545650 [patent_app_country] => US [patent_app_date] => 2021-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5223 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 316 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17545650 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/545650
Antenna package structure and antenna packaging method Dec 7, 2021 Issued
Array ( [id] => 18396934 [patent_doc_number] => 20230165155 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-25 [patent_title] => INVERTED WIDE BASE DOUBLE MAGNETIC TUNNEL JUNCTION DEVICE [patent_app_type] => utility [patent_app_number] => 17/530690 [patent_app_country] => US [patent_app_date] => 2021-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4440 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17530690 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/530690
INVERTED WIDE BASE DOUBLE MAGNETIC TUNNEL JUNCTION DEVICE Nov 18, 2021 Pending
Array ( [id] => 17993782 [patent_doc_number] => 20220359819 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-10 [patent_title] => Semiconductor Memory Device And Method For Forming The Same [patent_app_type] => utility [patent_app_number] => 17/524041 [patent_app_country] => US [patent_app_date] => 2021-11-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7705 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17524041 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/524041
Semiconductor memory device with spacer protection and method for forming same using multi-step patterning Nov 10, 2021 Issued
Array ( [id] => 19873714 [patent_doc_number] => 12266585 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-01 [patent_title] => Arrangement and thermal management of 3D stacked dies [patent_app_type] => utility [patent_app_number] => 17/516988 [patent_app_country] => US [patent_app_date] => 2021-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 4578 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17516988 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/516988
Arrangement and thermal management of 3D stacked dies Nov 1, 2021 Issued
Array ( [id] => 17417159 [patent_doc_number] => 20220052063 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-17 [patent_title] => NON-VOLATILE MEMORY DEVICE [patent_app_type] => utility [patent_app_number] => 17/513826 [patent_app_country] => US [patent_app_date] => 2021-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5885 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17513826 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/513826
Non-volatile memory device Oct 27, 2021 Issued
Array ( [id] => 19538698 [patent_doc_number] => 12131252 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-29 [patent_title] => Neuromorphic device [patent_app_type] => utility [patent_app_number] => 17/507561 [patent_app_country] => US [patent_app_date] => 2021-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 26 [patent_no_of_words] => 17937 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17507561 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/507561
Neuromorphic device Oct 20, 2021 Issued
Array ( [id] => 17403036 [patent_doc_number] => 20220045127 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-10 [patent_title] => SELECTOR DEVICES [patent_app_type] => utility [patent_app_number] => 17/506716 [patent_app_country] => US [patent_app_date] => 2021-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8020 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17506716 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/506716
SELECTOR DEVICES Oct 20, 2021 Abandoned
Array ( [id] => 17373879 [patent_doc_number] => 20220028931 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-27 [patent_title] => SEMICONDUCTOR MEMORY DEVICE HAVING A VARIABLE RESISTENCE LAYER [patent_app_type] => utility [patent_app_number] => 17/498849 [patent_app_country] => US [patent_app_date] => 2021-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15820 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17498849 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/498849
Semiconductor memory device having a variable resistence layer Oct 11, 2021 Issued
Array ( [id] => 18281101 [patent_doc_number] => 20230096573 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => Thin Film Anisotropic Magnetoresistor Device and Formation [patent_app_type] => utility [patent_app_number] => 17/487877 [patent_app_country] => US [patent_app_date] => 2021-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5275 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [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] => 17487877 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/487877
Thin film anisotropic magnetoresistor device and formation Sep 27, 2021 Issued
Array ( [id] => 18595240 [patent_doc_number] => 11744162 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-29 [patent_title] => Topological spin textures in 3-dimensional magnetic structures [patent_app_type] => utility [patent_app_number] => 17/470856 [patent_app_country] => US [patent_app_date] => 2021-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 5415 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [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] => 17470856 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/470856
Topological spin textures in 3-dimensional magnetic structures Sep 8, 2021 Issued
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