Search

Changhyun Yi

Examiner (ID: 5539, Phone: (571)270-7799 , Office: P/2826 )

Most Active Art Unit
2826
Art Unit(s)
2826, 2812
Total Applications
1229
Issued Applications
1098
Pending Applications
117
Abandoned Applications
67

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19696609 [patent_doc_number] => 20250015154 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-09 [patent_title] => Multigate Device Having Reduced Contact Resistivity [patent_app_type] => utility [patent_app_number] => 18/769940 [patent_app_country] => US [patent_app_date] => 2024-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13836 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18769940 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/769940
Multigate device having reduced contact resistivity Jul 10, 2024 Issued
Array ( [id] => 19560160 [patent_doc_number] => 20240371952 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => BACKSIDE CONTACT STRUCTURES FOR SEMICONDUCTOR DEVICES [patent_app_type] => utility [patent_app_number] => 18/770393 [patent_app_country] => US [patent_app_date] => 2024-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10459 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18770393 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/770393
BACKSIDE CONTACT STRUCTURES FOR SEMICONDUCTOR DEVICES Jul 10, 2024 Pending
Array ( [id] => 19560160 [patent_doc_number] => 20240371952 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => BACKSIDE CONTACT STRUCTURES FOR SEMICONDUCTOR DEVICES [patent_app_type] => utility [patent_app_number] => 18/770393 [patent_app_country] => US [patent_app_date] => 2024-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10459 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18770393 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/770393
BACKSIDE CONTACT STRUCTURES FOR SEMICONDUCTOR DEVICES Jul 10, 2024 Pending
Array ( [id] => 20361748 [patent_doc_number] => 12477766 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-18 [patent_title] => Semiconductor transistor device structure including nanostructure and gate structure with protection layer and fill layer and method for forming the same [patent_app_type] => utility [patent_app_number] => 18/769168 [patent_app_country] => US [patent_app_date] => 2024-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 32 [patent_figures_cnt] => 50 [patent_no_of_words] => 4430 [patent_no_of_claims] => 20 [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] => 18769168 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/769168
Semiconductor transistor device structure including nanostructure and gate structure with protection layer and fill layer and method for forming the same Jul 9, 2024 Issued
Array ( [id] => 20334510 [patent_doc_number] => 12464806 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-04 [patent_title] => Semiconductor transistor device having backside source/drain contact with a low-k spacer and method of forming the same [patent_app_type] => utility [patent_app_number] => 18/766991 [patent_app_country] => US [patent_app_date] => 2024-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 23 [patent_no_of_words] => 5559 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18766991 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/766991
Semiconductor transistor device having backside source/drain contact with a low-k spacer and method of forming the same Jul 8, 2024 Issued
Array ( [id] => 19546590 [patent_doc_number] => 20240363626 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-31 [patent_title] => Self-Aligned Etch in Semiconductor Devices [patent_app_type] => utility [patent_app_number] => 18/766867 [patent_app_country] => US [patent_app_date] => 2024-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17222 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18766867 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/766867
Semiconductor transistor devices having double-sided interconnect structures Jul 8, 2024 Issued
Array ( [id] => 19546590 [patent_doc_number] => 20240363626 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-31 [patent_title] => Self-Aligned Etch in Semiconductor Devices [patent_app_type] => utility [patent_app_number] => 18/766867 [patent_app_country] => US [patent_app_date] => 2024-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17222 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18766867 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/766867
Semiconductor transistor devices having double-sided interconnect structures Jul 8, 2024 Issued
Array ( [id] => 19531984 [patent_doc_number] => 20240355886 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => SEMICONDUCTOR DEVICE HAVING A JUNCTION PORTION CONTACTING A SCHOTTKY METAL [patent_app_type] => utility [patent_app_number] => 18/760960 [patent_app_country] => US [patent_app_date] => 2024-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5755 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 307 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18760960 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/760960
SEMICONDUCTOR DEVICE HAVING A JUNCTION PORTION CONTACTING A SCHOTTKY METAL Jun 30, 2024 Pending
Array ( [id] => 20347615 [patent_doc_number] => 12471353 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-11 [patent_title] => Gate-all around transistor with isolating feature under source/drain [patent_app_type] => utility [patent_app_number] => 18/759037 [patent_app_country] => US [patent_app_date] => 2024-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 50 [patent_no_of_words] => 5853 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18759037 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/759037
Gate-all around transistor with isolating feature under source/drain Jun 27, 2024 Issued
Array ( [id] => 20119623 [patent_doc_number] => 12369362 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-22 [patent_title] => Forming semiconductor structures with two-dimensional materials [patent_app_type] => utility [patent_app_number] => 18/759611 [patent_app_country] => US [patent_app_date] => 2024-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 8 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 18759611 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/759611
Forming semiconductor structures with two-dimensional materials Jun 27, 2024 Issued
Array ( [id] => 19515938 [patent_doc_number] => 20240347624 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => Inner Spacer Liner [patent_app_type] => utility [patent_app_number] => 18/753469 [patent_app_country] => US [patent_app_date] => 2024-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8760 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18753469 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/753469
Inner Spacer Liner Jun 24, 2024 Pending
Array ( [id] => 19515695 [patent_doc_number] => 20240347381 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => SEMICONDUCTOR DEVICE STRUCTURE WITH INTERCONNECT STRUCTURE HAVING AIR GAP [patent_app_type] => utility [patent_app_number] => 18/751628 [patent_app_country] => US [patent_app_date] => 2024-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6219 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18751628 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/751628
SEMICONDUCTOR DEVICE STRUCTURE WITH INTERCONNECT STRUCTURE HAVING AIR GAP Jun 23, 2024 Pending
Array ( [id] => 19500479 [patent_doc_number] => 20240339497 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-10 [patent_title] => Dual Side Contact Structures in Semiconductor Devices [patent_app_type] => utility [patent_app_number] => 18/747151 [patent_app_country] => US [patent_app_date] => 2024-06-18 [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] => -17 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18747151 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/747151
Dual Side Contact Structures in Semiconductor Devices Jun 17, 2024 Pending
Array ( [id] => 19500432 [patent_doc_number] => 20240339450 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-10 [patent_title] => METHOD OF MANUFACTURING AN INTEGRATED CIRCUIT DEVICE [patent_app_type] => utility [patent_app_number] => 18/746928 [patent_app_country] => US [patent_app_date] => 2024-06-18 [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] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18746928 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/746928
Integrated circuit device including N-channel metal-oxide semiconductor (NMOS) transistor region and a P-channel metal-oxide semiconductor (PMOS) transistor region Jun 17, 2024 Issued
Array ( [id] => 19500432 [patent_doc_number] => 20240339450 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-10 [patent_title] => METHOD OF MANUFACTURING AN INTEGRATED CIRCUIT DEVICE [patent_app_type] => utility [patent_app_number] => 18/746928 [patent_app_country] => US [patent_app_date] => 2024-06-18 [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] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18746928 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/746928
Integrated circuit device including N-channel metal-oxide semiconductor (NMOS) transistor region and a P-channel metal-oxide semiconductor (PMOS) transistor region Jun 17, 2024 Issued
Array ( [id] => 19484021 [patent_doc_number] => 20240332063 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => DEVICE WITH CONTROLLED GATE CONTACT PROFILE [patent_app_type] => utility [patent_app_number] => 18/737382 [patent_app_country] => US [patent_app_date] => 2024-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17013 [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] => 18737382 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/737382
DEVICE WITH CONTROLLED GATE CONTACT PROFILE Jun 6, 2024 Pending
Array ( [id] => 19484021 [patent_doc_number] => 20240332063 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => DEVICE WITH CONTROLLED GATE CONTACT PROFILE [patent_app_type] => utility [patent_app_number] => 18/737382 [patent_app_country] => US [patent_app_date] => 2024-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17013 [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] => 18737382 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/737382
DEVICE WITH CONTROLLED GATE CONTACT PROFILE Jun 6, 2024 Pending
Array ( [id] => 19468265 [patent_doc_number] => 20240321935 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 18/732363 [patent_app_country] => US [patent_app_date] => 2024-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9545 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 18732363 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/732363
DISPLAY DEVICE Jun 2, 2024 Pending
Array ( [id] => 19452938 [patent_doc_number] => 20240313068 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => INTRODUCING FLUORINE TO GATE AFTER WORK FUNCTION METAL DEPOSITION [patent_app_type] => utility [patent_app_number] => 18/674589 [patent_app_country] => US [patent_app_date] => 2024-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8089 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18674589 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/674589
Introducing fluorine to gate after work function metal deposition May 23, 2024 Issued
Array ( [id] => 19452702 [patent_doc_number] => 20240312832 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => REDUCING PARASITIC CAPACITANCE IN FIELD-EFFECT TRANSISTORS [patent_app_type] => utility [patent_app_number] => 18/674249 [patent_app_country] => US [patent_app_date] => 2024-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7787 [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] => 18674249 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/674249
Reducing parasitic capacitance in field-effect transistors May 23, 2024 Issued
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