Search

Changhyun Yi

Examiner (ID: 10577, Phone: (571)270-7799 , Office: P/2826 )

Most Active Art Unit
2826
Art Unit(s)
2826, 2812
Total Applications
1322
Issued Applications
1144
Pending Applications
142
Abandoned Applications
68

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20205599 [patent_doc_number] => 12408395 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-02 [patent_title] => Semiconductor device having high driving capability and steep subthreshold swing (SS) characteristic and method of manufacturing the same [patent_app_type] => utility [patent_app_number] => 18/059960 [patent_app_country] => US [patent_app_date] => 2022-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 33 [patent_no_of_words] => 1117 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18059960 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/059960
Semiconductor device having high driving capability and steep subthreshold swing (SS) characteristic and method of manufacturing the same Nov 28, 2022 Issued
Array ( [id] => 19206257 [patent_doc_number] => 20240178156 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-30 [patent_title] => SUPPORT DIELECTRIC FIN TO PREVENT GATE FLOP-OVER IN NANOSHEET TRANSISTORS [patent_app_type] => utility [patent_app_number] => 18/059093 [patent_app_country] => US [patent_app_date] => 2022-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4410 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18059093 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/059093
Support dielectric fin to prevent gate flop-over in nanosheet transistors Nov 27, 2022 Issued
Array ( [id] => 19314574 [patent_doc_number] => 12040401 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-16 [patent_title] => Semiconductor device [patent_app_type] => utility [patent_app_number] => 17/994565 [patent_app_country] => US [patent_app_date] => 2022-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 47 [patent_figures_cnt] => 47 [patent_no_of_words] => 13543 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17994565 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/994565
Semiconductor device Nov 27, 2022 Issued
Array ( [id] => 19108773 [patent_doc_number] => 11961887 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-16 [patent_title] => Semiconductor device having nanosheet transistor and methods of fabrication thereof [patent_app_type] => utility [patent_app_number] => 17/993598 [patent_app_country] => US [patent_app_date] => 2022-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 32 [patent_figures_cnt] => 47 [patent_no_of_words] => 9586 [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] => 17993598 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/993598
Semiconductor device having nanosheet transistor and methods of fabrication thereof Nov 22, 2022 Issued
Array ( [id] => 19973945 [patent_doc_number] => 12342578 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-24 [patent_title] => Stacked layer memory suitable for SRAM and having a long cell [patent_app_type] => utility [patent_app_number] => 17/991243 [patent_app_country] => US [patent_app_date] => 2022-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 13 [patent_no_of_words] => 1099 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17991243 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/991243
Stacked layer memory suitable for SRAM and having a long cell Nov 20, 2022 Issued
Array ( [id] => 19277455 [patent_doc_number] => 12027588 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-02 [patent_title] => Field effect transistor including channel formed of 2D material [patent_app_type] => utility [patent_app_number] => 18/056446 [patent_app_country] => US [patent_app_date] => 2022-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 23 [patent_no_of_words] => 7859 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18056446 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/056446
Field effect transistor including channel formed of 2D material Nov 16, 2022 Issued
Array ( [id] => 20404447 [patent_doc_number] => 12494428 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-09 [patent_title] => Airgap spacer for power via [patent_app_type] => utility [patent_app_number] => 18/054991 [patent_app_country] => US [patent_app_date] => 2022-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 29 [patent_no_of_words] => 7273 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18054991 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/054991
Airgap spacer for power via Nov 13, 2022 Issued
Array ( [id] => 19094085 [patent_doc_number] => 11955552 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-09 [patent_title] => Semiconductor device with backside power rail and methods of fabrication thereof [patent_app_type] => utility [patent_app_number] => 17/985991 [patent_app_country] => US [patent_app_date] => 2022-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 40 [patent_figures_cnt] => 41 [patent_no_of_words] => 13568 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 17985991 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/985991
Semiconductor device with backside power rail and methods of fabrication thereof Nov 13, 2022 Issued
Array ( [id] => 20767861 [patent_doc_number] => 20260164856 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-06-11 [patent_title] => OPTOELECTRONIC SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 18/707173 [patent_app_country] => US [patent_app_date] => 2022-11-08 [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] => -15 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18707173 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/707173
OPTOELECTRONIC SEMICONDUCTOR DEVICE Nov 7, 2022 Pending
Array ( [id] => 18857387 [patent_doc_number] => 11854982 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-26 [patent_title] => Three-dimensional semiconductor memory device [patent_app_type] => utility [patent_app_number] => 17/982255 [patent_app_country] => US [patent_app_date] => 2022-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 12575 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17982255 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/982255
Three-dimensional semiconductor memory device Nov 6, 2022 Issued
Array ( [id] => 19108772 [patent_doc_number] => 11961886 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-16 [patent_title] => Semiconductor structure with conductive structure [patent_app_type] => utility [patent_app_number] => 17/978409 [patent_app_country] => US [patent_app_date] => 2022-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 52 [patent_no_of_words] => 10747 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17978409 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/978409
Semiconductor structure with conductive structure Oct 31, 2022 Issued
Array ( [id] => 19370614 [patent_doc_number] => 12062708 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-13 [patent_title] => Selective silicon etch for gate all around transistors [patent_app_type] => utility [patent_app_number] => 17/968068 [patent_app_country] => US [patent_app_date] => 2022-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 7026 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17968068 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/968068
Selective silicon etch for gate all around transistors Oct 17, 2022 Issued
Array ( [id] => 19116584 [patent_doc_number] => 20240128334 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => SEMICONDUCTOR STRUCTURE WITH WRAPPED-AROUND BACKSIDE CONTACT [patent_app_type] => utility [patent_app_number] => 17/968199 [patent_app_country] => US [patent_app_date] => 2022-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5819 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 23 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17968199 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/968199
Semiconductor structure with wrapped-around backside contact Oct 17, 2022 Issued
Array ( [id] => 18323387 [patent_doc_number] => 20230121515 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-20 [patent_title] => Method for Forming an Interconnection Structure [patent_app_type] => utility [patent_app_number] => 18/047060 [patent_app_country] => US [patent_app_date] => 2022-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5248 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18047060 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/047060
Method for forming an interconnection structure Oct 16, 2022 Issued
Array ( [id] => 19399811 [patent_doc_number] => 12074199 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-27 [patent_title] => Semiconductor device with a field plate extending from drain [patent_app_type] => utility [patent_app_number] => 17/964073 [patent_app_country] => US [patent_app_date] => 2022-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 28 [patent_figures_cnt] => 28 [patent_no_of_words] => 8045 [patent_no_of_claims] => 20 [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] => 17964073 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/964073
Semiconductor device with a field plate extending from drain Oct 11, 2022 Issued
Array ( [id] => 19758136 [patent_doc_number] => 20250046701 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-06 [patent_title] => PACKAGE STRUCTURE HAVING AIR GAP [patent_app_type] => utility [patent_app_number] => 18/706744 [patent_app_country] => US [patent_app_date] => 2022-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3059 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18706744 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/706744
PACKAGE STRUCTURE HAVING AIR GAP Oct 3, 2022 Pending
Array ( [id] => 19995614 [patent_doc_number] => 20250133836 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-24 [patent_title] => METHOD FOR FILLING REDUNDANT METALS IN CHIP, CHIP AND SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 18/574667 [patent_app_country] => US [patent_app_date] => 2022-09-29 [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] => -19 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18574667 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/574667
METHOD FOR FILLING REDUNDANT METALS IN CHIP, CHIP AND SEMICONDUCTOR DEVICE Sep 28, 2022 Pending
Array ( [id] => 18919219 [patent_doc_number] => 11881510 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-23 [patent_title] => Semiconductor device [patent_app_type] => utility [patent_app_number] => 17/935561 [patent_app_country] => US [patent_app_date] => 2022-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 102 [patent_figures_cnt] => 102 [patent_no_of_words] => 15915 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 288 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17935561 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/935561
Semiconductor device Sep 25, 2022 Issued
Array ( [id] => 19071375 [patent_doc_number] => 20240105801 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => INTEGRATED CIRCUIT STRUCTURES WITH GATE VOLUME REDUCTION [patent_app_type] => utility [patent_app_number] => 17/951974 [patent_app_country] => US [patent_app_date] => 2022-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17837 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17951974 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/951974
INTEGRATED CIRCUIT STRUCTURES WITH GATE VOLUME REDUCTION Sep 22, 2022 Issued
Array ( [id] => 19071342 [patent_doc_number] => 20240105768 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => EPI GROWTH UNIFORMITY WITH SOURCE/DRAIN PLACEHOLDER [patent_app_type] => utility [patent_app_number] => 17/934226 [patent_app_country] => US [patent_app_date] => 2022-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11481 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17934226 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/934226
Epi growth uniformity with source/drain placeholder Sep 21, 2022 Issued
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