Search

Changhyun Yi

Examiner (ID: 7260, Phone: (571)270-7799 , Office: P/2826 )

Most Active Art Unit
2826
Art Unit(s)
2826, 2812
Total Applications
1335
Issued Applications
1146
Pending Applications
153
Abandoned Applications
68

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18774294 [patent_doc_number] => 20230369125 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-16 [patent_title] => SEMICONDUCTOR DEVICE STRUCTURE AND METHODS OF FORMING THE SAME [patent_app_type] => utility [patent_app_number] => 18/224088 [patent_app_country] => US [patent_app_date] => 2023-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10508 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18224088 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/224088
FinFET device structure having dielectric features between a plurality of gate electrodes and methods of forming the same Jul 19, 2023 Issued
Array ( [id] => 18774490 [patent_doc_number] => 20230369321 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-16 [patent_title] => HYBRID SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 18/355498 [patent_app_country] => US [patent_app_date] => 2023-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12667 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18355498 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/355498
Hybrid semiconductor device Jul 19, 2023 Issued
Array ( [id] => 19728663 [patent_doc_number] => 20250031414 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-23 [patent_title] => WORK FUNCTION METAL PATTERNING AND MIDDLE-OF-LINE SELF-ALIGNED CONTACTS FOR NANOSHEET TECHNOLOGY [patent_app_type] => utility [patent_app_number] => 18/354946 [patent_app_country] => US [patent_app_date] => 2023-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6523 [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] => 18354946 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/354946
Work function metal patterning and middle-of-line self-aligned contacts for nanosheet technology Jul 18, 2023 Issued
Array ( [id] => 18757576 [patent_doc_number] => 20230361039 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-09 [patent_title] => Interconnect Structure and Method of Forming Thereof [patent_app_type] => utility [patent_app_number] => 18/351957 [patent_app_country] => US [patent_app_date] => 2023-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10215 [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] => 18351957 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/351957
Method of forming interconnect structure having a barrier layer Jul 12, 2023 Issued
Array ( [id] => 19116582 [patent_doc_number] => 20240128332 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => SEMICONDUCTOR DEVICES [patent_app_type] => utility [patent_app_number] => 18/350614 [patent_app_country] => US [patent_app_date] => 2023-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15951 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 330 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18350614 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/350614
Semiconductor device including multi-bridge channel field effect transistor and multiple via structure Jul 10, 2023 Issued
Array ( [id] => 19294677 [patent_doc_number] => 12034042 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-09 [patent_title] => Method of manufacturing multi-channel field effect transistors [patent_app_type] => utility [patent_app_number] => 18/350187 [patent_app_country] => US [patent_app_date] => 2023-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 39 [patent_figures_cnt] => 43 [patent_no_of_words] => 6496 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18350187 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/350187
Method of manufacturing multi-channel field effect transistors Jul 10, 2023 Issued
Array ( [id] => 19376788 [patent_doc_number] => 12068369 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-20 [patent_title] => Semiconductor devices and method of manufacturing the same [patent_app_type] => utility [patent_app_number] => 18/348904 [patent_app_country] => US [patent_app_date] => 2023-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 28 [patent_figures_cnt] => 42 [patent_no_of_words] => 11687 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18348904 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/348904
Semiconductor devices and method of manufacturing the same Jul 6, 2023 Issued
Array ( [id] => 19055022 [patent_doc_number] => 20240096991 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 18/219232 [patent_app_country] => US [patent_app_date] => 2023-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10684 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18219232 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/219232
Semiconductor device including fin field-effect transistors on active fins with different gate width in boundary region Jul 6, 2023 Issued
Array ( [id] => 20590293 [patent_doc_number] => 20260075894 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-12 [patent_title] => SUBFINS REPLACED USING BACKSIDE DIELECTRIC FORMATION [patent_app_type] => utility [patent_app_number] => 18/216891 [patent_app_country] => US [patent_app_date] => 2023-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6946 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18216891 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/216891
Subfins replaced using backside dielectric formation Jun 29, 2023 Issued
Array ( [id] => 19733935 [patent_doc_number] => 12211937 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-28 [patent_title] => Field effect transistor device with air gap spacer in source/drain contact [patent_app_type] => utility [patent_app_number] => 18/344176 [patent_app_country] => US [patent_app_date] => 2023-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 22 [patent_no_of_words] => 10739 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18344176 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/344176
Field effect transistor device with air gap spacer in source/drain contact Jun 28, 2023 Issued
Array ( [id] => 18729553 [patent_doc_number] => 20230343849 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-26 [patent_title] => FIELD-EFFECT TRANSISTOR AND METHOD OF FORMING THE SAME [patent_app_type] => utility [patent_app_number] => 18/344581 [patent_app_country] => US [patent_app_date] => 2023-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6972 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18344581 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/344581
Field-effect transistor and method of forming the same Jun 28, 2023 Issued
Array ( [id] => 20637893 [patent_doc_number] => 12598789 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-07 [patent_title] => Self-aligned backside contact [patent_app_type] => utility [patent_app_number] => 18/339260 [patent_app_country] => US [patent_app_date] => 2023-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 41 [patent_no_of_words] => 5203 [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] => 18339260 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/339260
Self-aligned backside contact Jun 21, 2023 Issued
Array ( [id] => 19308742 [patent_doc_number] => 20240237325 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2024-07-11 [patent_title] => SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 18/212817 [patent_app_country] => US [patent_app_date] => 2023-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12925 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 289 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18212817 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/212817
Metal-oxide-semiconductor field effect transistors including nanosheets Jun 21, 2023 Issued
Array ( [id] => 19308742 [patent_doc_number] => 20240237325 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2024-07-11 [patent_title] => SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 18/212817 [patent_app_country] => US [patent_app_date] => 2023-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12925 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 289 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18212817 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/212817
Metal-oxide-semiconductor field effect transistors including nanosheets Jun 21, 2023 Issued
Array ( [id] => 18712919 [patent_doc_number] => 20230335552 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-19 [patent_title] => METHOD OF MANUFACTURING AN INTEGRATED CIRCUIT DEVICE [patent_app_type] => utility [patent_app_number] => 18/212304 [patent_app_country] => US [patent_app_date] => 2023-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16296 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 331 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18212304 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/212304
Method of manufacturing an integrated circuit device Jun 20, 2023 Issued
Array ( [id] => 19662247 [patent_doc_number] => 20240429312 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-26 [patent_title] => HIGH-K ISOLATION OF FIN STRUCTURES [patent_app_type] => utility [patent_app_number] => 18/337887 [patent_app_country] => US [patent_app_date] => 2023-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9727 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18337887 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/337887
High-k isolation of fin structures Jun 19, 2023 Issued
Array ( [id] => 18712974 [patent_doc_number] => 20230335607 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-19 [patent_title] => METHOD FOR FORMING EPITAXIAL SOURCE/DRAIN FEATURES AND SEMICONDUCTOR DEVICES FABRICATED THEREOF [patent_app_type] => utility [patent_app_number] => 18/211055 [patent_app_country] => US [patent_app_date] => 2023-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11042 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18211055 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/211055
Method for forming epitaxial source/drain features and semiconductor devices fabricated thereof Jun 15, 2023 Issued
Array ( [id] => 20734566 [patent_doc_number] => 12641831 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-26 [patent_title] => Gate structures of semiconductor devices and fabrication methods thereof [patent_app_type] => utility [patent_app_number] => 18/333708 [patent_app_country] => US [patent_app_date] => 2023-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 24 [patent_no_of_words] => 4725 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18333708 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/333708
Gate structures of semiconductor devices and fabrication methods thereof Jun 12, 2023 Issued
Array ( [id] => 18680067 [patent_doc_number] => 20230317725 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => INTEGRATED CIRCUIT DEVICE [patent_app_type] => utility [patent_app_number] => 18/332298 [patent_app_country] => US [patent_app_date] => 2023-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10763 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18332298 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/332298
Method of manufacturing a horizontal-nanosheet field-effect transistor Jun 8, 2023 Issued
Array ( [id] => 18696526 [patent_doc_number] => 20230326966 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-12 [patent_title] => Semiconductor Device and Manufacturing Method Therefor [patent_app_type] => utility [patent_app_number] => 18/330082 [patent_app_country] => US [patent_app_date] => 2023-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10841 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18330082 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/330082
FinFET device having source/drain regions including a plurality of conductivity types and manufacturing method therefor Jun 5, 2023 Issued
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