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] => 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] => 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] => 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] => 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] => 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] => 18608109 [patent_doc_number] => 11749587 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-05 [patent_title] => Semiconductor device [patent_app_type] => utility [patent_app_number] => 17/855902 [patent_app_country] => US [patent_app_date] => 2022-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 9653 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 291 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17855902 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/855902
Semiconductor device Jun 30, 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
Array ( [id] => 18857591 [patent_doc_number] => 11855188 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-26 [patent_title] => Source/drain formation with reduced selective loss defects [patent_app_type] => utility [patent_app_number] => 17/809963 [patent_app_country] => US [patent_app_date] => 2022-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 24 [patent_no_of_words] => 7697 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17809963 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/809963
Source/drain formation with reduced selective loss defects Jun 29, 2022 Issued
Array ( [id] => 18857403 [patent_doc_number] => 11854998 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-26 [patent_title] => Semiconductor device and method of manufacture [patent_app_type] => utility [patent_app_number] => 17/853593 [patent_app_country] => US [patent_app_date] => 2022-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 11983 [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] => 17853593 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/853593
Semiconductor device and method of manufacture Jun 28, 2022 Issued
Array ( [id] => 19422427 [patent_doc_number] => 20240298551 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-05 [patent_title] => QUANTUM DOT STRUCTURES COMPRISING AN INTEGRATED SINGLE ELECTRON TUNNELING READOUT AND SINGLE ELECTRON TUNNELING QUANTUM DOT READOUT STRUCTURES [patent_app_type] => utility [patent_app_number] => 18/574531 [patent_app_country] => US [patent_app_date] => 2022-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7492 [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] => 18574531 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/574531
QUANTUM DOT STRUCTURES COMPRISING AN INTEGRATED SINGLE ELECTRON TUNNELING READOUT AND SINGLE ELECTRON TUNNELING QUANTUM DOT READOUT STRUCTURES Jun 28, 2022 Pending
Array ( [id] => 17901190 [patent_doc_number] => 20220310852 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-29 [patent_title] => SEMICONDUCTOR DEVICES AND MANUFACTURING METHODS THEREOF [patent_app_type] => utility [patent_app_number] => 17/840737 [patent_app_country] => US [patent_app_date] => 2022-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6320 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17840737 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/840737
Semiconductor devices and manufacturing methods thereof Jun 14, 2022 Issued
Array ( [id] => 17917889 [patent_doc_number] => 20220320285 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-06 [patent_title] => Semiconductor Device and Method [patent_app_type] => utility [patent_app_number] => 17/841217 [patent_app_country] => US [patent_app_date] => 2022-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11788 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17841217 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/841217
Semiconductor device and method Jun 14, 2022 Issued
Array ( [id] => 19168536 [patent_doc_number] => 11984450 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-14 [patent_title] => Semiconductor device having spacer residue [patent_app_type] => utility [patent_app_number] => 17/838038 [patent_app_country] => US [patent_app_date] => 2022-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 24 [patent_no_of_words] => 10783 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17838038 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/838038
Semiconductor device having spacer residue Jun 9, 2022 Issued
Array ( [id] => 18578942 [patent_doc_number] => 11735482 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-22 [patent_title] => Semiconductor device structure and methods of forming the same [patent_app_type] => utility [patent_app_number] => 17/833005 [patent_app_country] => US [patent_app_date] => 2022-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 51 [patent_figures_cnt] => 63 [patent_no_of_words] => 10490 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17833005 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/833005
Semiconductor device structure and methods of forming the same Jun 5, 2022 Issued
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