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] => 19866269 [patent_doc_number] => 20250105055 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-27 [patent_title] => ETCH STOP LAYERS [patent_app_type] => utility [patent_app_number] => 18/531007 [patent_app_country] => US [patent_app_date] => 2023-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8792 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18531007 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/531007
ETCH STOP LAYERS Dec 5, 2023 Pending
Array ( [id] => 19221755 [patent_doc_number] => 20240186459 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => LIGHT EMITTING STRUCTURE [patent_app_type] => utility [patent_app_number] => 18/528489 [patent_app_country] => US [patent_app_date] => 2023-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4561 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 18528489 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/528489
LIGHT EMITTING STRUCTURE Dec 3, 2023 Pending
Array ( [id] => 19252938 [patent_doc_number] => 20240203935 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-20 [patent_title] => METHOD OF EMBEDDING A BARE DIE IN A CARRIER LAMINATE [patent_app_type] => utility [patent_app_number] => 18/528237 [patent_app_country] => US [patent_app_date] => 2023-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5649 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18528237 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/528237
METHOD OF EMBEDDING A BARE DIE IN A CARRIER LAMINATE Dec 3, 2023 Pending
Array ( [id] => 19887019 [patent_doc_number] => 12272752 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-08 [patent_title] => Gate all around (GAA) transistor structures having a plurality of semiconductor nanostructures [patent_app_type] => utility [patent_app_number] => 18/523153 [patent_app_country] => US [patent_app_date] => 2023-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 25 [patent_no_of_words] => 9211 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18523153 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/523153
Gate all around (GAA) transistor structures having a plurality of semiconductor nanostructures Nov 28, 2023 Issued
Array ( [id] => 19906611 [patent_doc_number] => 12283630 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-22 [patent_title] => Epitaxial source/drain structures for multigate devices and methods of fabricating thereof [patent_app_type] => utility [patent_app_number] => 18/523214 [patent_app_country] => US [patent_app_date] => 2023-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 47 [patent_figures_cnt] => 47 [patent_no_of_words] => 16588 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18523214 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/523214
Epitaxial source/drain structures for multigate devices and methods of fabricating thereof Nov 28, 2023 Issued
Array ( [id] => 20691807 [patent_doc_number] => 12621977 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-05 [patent_title] => Method of forming memory device [patent_app_type] => utility [patent_app_number] => 18/522652 [patent_app_country] => US [patent_app_date] => 2023-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18522652 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/522652
Method of forming memory device Nov 28, 2023 Issued
Array ( [id] => 19597120 [patent_doc_number] => 12154974 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-26 [patent_title] => Source/drain formation with reduced selective loss defects [patent_app_type] => utility [patent_app_number] => 18/521556 [patent_app_country] => US [patent_app_date] => 2023-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 24 [patent_no_of_words] => 7730 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18521556 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/521556
Source/drain formation with reduced selective loss defects Nov 27, 2023 Issued
Array ( [id] => 19054847 [patent_doc_number] => 20240096816 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURE [patent_app_type] => utility [patent_app_number] => 18/521711 [patent_app_country] => US [patent_app_date] => 2023-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12021 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18521711 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/521711
Method of manufacture overlay mark using laser marking process for semiconductor device Nov 27, 2023 Issued
Array ( [id] => 20792745 [patent_doc_number] => 12666677 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-23 [patent_title] => Method of manufacturing a semiconductor device [patent_app_type] => utility [patent_app_number] => 18/518170 [patent_app_country] => US [patent_app_date] => 2023-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 47 [patent_no_of_words] => 4708 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18518170 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/518170
Method of manufacturing a semiconductor device Nov 21, 2023 Issued
Array ( [id] => 19038480 [patent_doc_number] => 20240088295 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 18/518004 [patent_app_country] => US [patent_app_date] => 2023-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8521 [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] => 18518004 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/518004
Semiconductor device including stacked semiconductor patterns Nov 21, 2023 Issued
Array ( [id] => 19775450 [patent_doc_number] => 20250056876 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-13 [patent_title] => SEMICONDUCTOR DEVICE STRUCTURE FOR CHIP IDENTIFICATION [patent_app_type] => utility [patent_app_number] => 18/516478 [patent_app_country] => US [patent_app_date] => 2023-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8219 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18516478 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/516478
SEMICONDUCTOR DEVICE STRUCTURE FOR CHIP IDENTIFICATION Nov 20, 2023 Pending
Array ( [id] => 19306086 [patent_doc_number] => 20240234666 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-11 [patent_title] => LIGHT EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME [patent_app_type] => utility [patent_app_number] => 18/513948 [patent_app_country] => US [patent_app_date] => 2023-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7254 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 318 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18513948 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/513948
LIGHT EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME Nov 19, 2023 Pending
Array ( [id] => 19191574 [patent_doc_number] => 20240170487 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-23 [patent_title] => GROUP III NITRIDE TRANSISTOR DEVICE [patent_app_type] => utility [patent_app_number] => 18/503770 [patent_app_country] => US [patent_app_date] => 2023-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9398 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18503770 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/503770
GROUP III NITRIDE TRANSISTOR DEVICE Nov 6, 2023 Pending
Array ( [id] => 19606834 [patent_doc_number] => 20240397714 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-28 [patent_title] => SEMICONDUCTOR MEMORY DEVICE AND METHOD OF MANUFACTURING THE SEMICONDUCTOR MEMORY DEVICE [patent_app_type] => utility [patent_app_number] => 18/499985 [patent_app_country] => US [patent_app_date] => 2023-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7590 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18499985 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/499985
SEMICONDUCTOR MEMORY DEVICE AND METHOD OF MANUFACTURING THE SEMICONDUCTOR MEMORY DEVICE Oct 31, 2023 Pending
Array ( [id] => 20002496 [patent_doc_number] => 20250140718 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-01 [patent_title] => DIELECTRIC-FILLED BOND PADS IN CLIP PACKAGES [patent_app_type] => utility [patent_app_number] => 18/498144 [patent_app_country] => US [patent_app_date] => 2023-10-31 [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] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18498144 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/498144
DIELECTRIC-FILLED BOND PADS IN CLIP PACKAGES Oct 30, 2023 Pending
Array ( [id] => 19994025 [patent_doc_number] => 20250132247 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-24 [patent_title] => INTERCONNECTION STRUCTURE [patent_app_type] => utility [patent_app_number] => 18/493293 [patent_app_country] => US [patent_app_date] => 2023-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2384 [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] => 18493293 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/493293
INTERCONNECTION STRUCTURE Oct 23, 2023 Pending
Array ( [id] => 19337207 [patent_doc_number] => 20240251637 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-25 [patent_title] => ELECTRONIC DEVICE INCLUDING ORGANIC PHOTODIODE AND ORGANIC LIGHT-EMITTING DEVICE [patent_app_type] => utility [patent_app_number] => 18/382552 [patent_app_country] => US [patent_app_date] => 2023-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18883 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18382552 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/382552
ELECTRONIC DEVICE INCLUDING ORGANIC PHOTODIODE AND ORGANIC LIGHT-EMITTING DEVICE Oct 22, 2023 Pending
Array ( [id] => 19988595 [patent_doc_number] => 20250126817 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-17 [patent_title] => SILICON CONTROLLED RECTIFIERS [patent_app_type] => utility [patent_app_number] => 18/380917 [patent_app_country] => US [patent_app_date] => 2023-10-17 [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] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18380917 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/380917
SILICON CONTROLLED RECTIFIERS Oct 16, 2023 Pending
Array ( [id] => 19252940 [patent_doc_number] => 20240203937 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-20 [patent_title] => METHOD FOR MANUFACTURING AN OPTOELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 18/380706 [patent_app_country] => US [patent_app_date] => 2023-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4316 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18380706 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/380706
METHOD FOR MANUFACTURING AN OPTOELECTRONIC DEVICE Oct 16, 2023 Pending
Array ( [id] => 19146479 [patent_doc_number] => 20240145509 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => IMAGE SENSOR INCLUDING NANO-PHOTONIC MICROLENS ARRAY AND ELECTRONIC APPARATUS INCLUDING THE IMAGE SENSOR [patent_app_type] => utility [patent_app_number] => 18/380914 [patent_app_country] => US [patent_app_date] => 2023-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15592 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18380914 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/380914
IMAGE SENSOR INCLUDING NANO-PHOTONIC MICROLENS ARRAY AND ELECTRONIC APPARATUS INCLUDING THE IMAGE SENSOR Oct 16, 2023 Pending
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