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] => 19110233 [patent_doc_number] => 11963366 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-16 [patent_title] => Magnetic device and magnetic random access memory [patent_app_type] => utility [patent_app_number] => 17/875133 [patent_app_country] => US [patent_app_date] => 2022-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 12 [patent_no_of_words] => 8455 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17875133 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/875133
Magnetic device and magnetic random access memory Jul 26, 2022 Issued
Array ( [id] => 19063257 [patent_doc_number] => 11942510 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-26 [patent_title] => Light-emitting device [patent_app_type] => utility [patent_app_number] => 17/875068 [patent_app_country] => US [patent_app_date] => 2022-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 18 [patent_no_of_words] => 12084 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17875068 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/875068
Light-emitting device Jul 26, 2022 Issued
Array ( [id] => 17993652 [patent_doc_number] => 20220359689 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-10 [patent_title] => FORMING A CAVITY WITH A WET ETCH FOR BACKSIDE CONTACT FORMATION [patent_app_type] => utility [patent_app_number] => 17/873210 [patent_app_country] => US [patent_app_date] => 2022-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10906 [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] => 17873210 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/873210
Forming a cavity with a wet etch for backside contact formation Jul 25, 2022 Issued
Array ( [id] => 17993696 [patent_doc_number] => 20220359733 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-10 [patent_title] => SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 17/873982 [patent_app_country] => US [patent_app_date] => 2022-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5249 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17873982 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/873982
Semiconductor device Jul 25, 2022 Issued
Array ( [id] => 19016494 [patent_doc_number] => 11923439 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-05 [patent_title] => Source/drain structure for semiconductor device [patent_app_type] => utility [patent_app_number] => 17/873821 [patent_app_country] => US [patent_app_date] => 2022-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 16 [patent_no_of_words] => 9112 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17873821 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/873821
Source/drain structure for semiconductor device Jul 25, 2022 Issued
Array ( [id] => 18999269 [patent_doc_number] => 11916125 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-27 [patent_title] => Semiconductor device with backside self-aligned power rail and methods of forming the same [patent_app_type] => utility [patent_app_number] => 17/871509 [patent_app_country] => US [patent_app_date] => 2022-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 43 [patent_no_of_words] => 8372 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17871509 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/871509
Semiconductor device with backside self-aligned power rail and methods of forming the same Jul 21, 2022 Issued
Array ( [id] => 18008690 [patent_doc_number] => 20220367457 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-17 [patent_title] => GATE ISOLATION STRUCTURE [patent_app_type] => utility [patent_app_number] => 17/871648 [patent_app_country] => US [patent_app_date] => 2022-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10181 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17871648 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/871648
Gate isolation structure Jul 21, 2022 Issued
Array ( [id] => 18008996 [patent_doc_number] => 20220367763 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-17 [patent_title] => LED DEVICE HAVING BLUE PHOTOLUMINESCENT MATERIAL AND RED/GREEN QUANTUM DOTS [patent_app_type] => utility [patent_app_number] => 17/870769 [patent_app_country] => US [patent_app_date] => 2022-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6466 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17870769 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/870769
LED device having blue photoluminescent material and red/green quantum dots Jul 20, 2022 Issued
Array ( [id] => 17993648 [patent_doc_number] => 20220359685 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-10 [patent_title] => CAPACITANCE REDUCTION FOR BACKSIDE POWER RAIL DEVICE [patent_app_type] => utility [patent_app_number] => 17/814098 [patent_app_country] => US [patent_app_date] => 2022-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9434 [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] => 17814098 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/814098
Capacitance reduction for backside power rail device Jul 20, 2022 Issued
Array ( [id] => 17993720 [patent_doc_number] => 20220359757 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-10 [patent_title] => SEMICONDUCTOR STRUCTURE WITH ISOLATING FEATURE [patent_app_type] => utility [patent_app_number] => 17/870451 [patent_app_country] => US [patent_app_date] => 2022-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9976 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17870451 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/870451
Semiconductor structure with isolating feature Jul 20, 2022 Issued
Array ( [id] => 17993635 [patent_doc_number] => 20220359672 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-10 [patent_title] => BACKSIDE CONTACT WITH AIR SPACER [patent_app_type] => utility [patent_app_number] => 17/813822 [patent_app_country] => US [patent_app_date] => 2022-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4544 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17813822 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/813822
Backside contact with air spacer Jul 19, 2022 Issued
Array ( [id] => 18927312 [patent_doc_number] => 20240030316 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => SEMICONDUCTOR DEVICE AND METHOD FOR FORMING THE SAME [patent_app_type] => utility [patent_app_number] => 17/869115 [patent_app_country] => US [patent_app_date] => 2022-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7700 [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] => 17869115 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/869115
Semiconductor transistor device includes backside via electrically connecting epitaxial source/drain structures and method for forming the same Jul 19, 2022 Issued
Array ( [id] => 19261066 [patent_doc_number] => 12021133 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-25 [patent_title] => Inner spacer liner [patent_app_type] => utility [patent_app_number] => 17/869028 [patent_app_country] => US [patent_app_date] => 2022-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 8740 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17869028 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/869028
Inner spacer liner Jul 19, 2022 Issued
Array ( [id] => 18008882 [patent_doc_number] => 20220367649 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-17 [patent_title] => Source/Drain Structure for Semiconductor Device [patent_app_type] => utility [patent_app_number] => 17/868462 [patent_app_country] => US [patent_app_date] => 2022-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12959 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17868462 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/868462
Source/drain structure for semiconductor device Jul 18, 2022 Issued
Array ( [id] => 20176005 [patent_doc_number] => 12394762 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-19 [patent_title] => Light-emitting diodes based display panel including light-shielding layers with a plurality of openings and manufacturing methods for the display panel [patent_app_type] => utility [patent_app_number] => 17/795555 [patent_app_country] => US [patent_app_date] => 2022-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 28 [patent_no_of_words] => 4104 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17795555 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/795555
Light-emitting diodes based display panel including light-shielding layers with a plurality of openings and manufacturing methods for the display panel Jul 17, 2022 Issued
Array ( [id] => 18891144 [patent_doc_number] => 11869922 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-09 [patent_title] => In situ selective etching and selective regrowth of epitaxial layer for surface recombination velocity reduction in light emitting diodes [patent_app_type] => utility [patent_app_number] => 17/866452 [patent_app_country] => US [patent_app_date] => 2022-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 15 [patent_no_of_words] => 10005 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17866452 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/866452
In situ selective etching and selective regrowth of epitaxial layer for surface recombination velocity reduction in light emitting diodes Jul 14, 2022 Issued
Array ( [id] => 17986333 [patent_doc_number] => 20220352370 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-03 [patent_title] => INTERFACE PROFILE CONTROL IN EPITAXIAL STRUCTURES FOR SEMICONDUCTOR DEVICES [patent_app_type] => utility [patent_app_number] => 17/858969 [patent_app_country] => US [patent_app_date] => 2022-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10064 [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] => 17858969 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/858969
Interface profile control in epitaxial structures for semiconductor devices Jul 5, 2022 Issued
Array ( [id] => 18951109 [patent_doc_number] => 11894416 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-06 [patent_title] => Display devices with multiple emitters [patent_app_type] => utility [patent_app_number] => 17/858783 [patent_app_country] => US [patent_app_date] => 2022-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 13 [patent_no_of_words] => 9049 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17858783 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/858783
Display devices with multiple emitters Jul 5, 2022 Issued
Array ( [id] => 17986282 [patent_doc_number] => 20220352319 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-03 [patent_title] => SEMICONDUCTOR DEVICE HAVING NANOSHEET TRANSISTOR AND METHODS OF FABRICATION THEREOF [patent_app_type] => utility [patent_app_number] => 17/857104 [patent_app_country] => US [patent_app_date] => 2022-07-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13087 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17857104 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/857104
Semiconductor device having nanosheet transistor and methods of fabrication thereof Jul 3, 2022 Issued
Array ( [id] => 17949636 [patent_doc_number] => 20220336655 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-20 [patent_title] => SEMICONDUCTOR DEVICE STRUCTURE WITH HIGH CONTACT AREA [patent_app_type] => utility [patent_app_number] => 17/855992 [patent_app_country] => US [patent_app_date] => 2022-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9173 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17855992 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/855992
Semiconductor device structure with high contact area Jun 30, 2022 Issued
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