Search

David Y. Chung

Examiner (ID: 13970, Phone: (571)272-2288 , Office: P/2871 )

Most Active Art Unit
2871
Art Unit(s)
2871
Total Applications
1217
Issued Applications
894
Pending Applications
79
Abandoned Applications
255

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 21011849 [patent_doc_number] => 12748330 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-09-29 [patent_title] => Display device [patent_app_type] => utility [patent_app_number] => 18/794412 [patent_app_country] => US [patent_app_date] => 2024-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 1090 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18794412 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/794412
DISPLAY DEVICE Aug 4, 2024 Pending
Array ( [id] => 19802096 [patent_doc_number] => 20250068021 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-27 [patent_title] => DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 18/792693 [patent_app_country] => US [patent_app_date] => 2024-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8845 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18792693 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/792693
Display device Aug 1, 2024 Issued
Array ( [id] => 19756069 [patent_doc_number] => 20250044634 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-06 [patent_title] => DISPLAY DEVICE AND METHOD OF MANUFACTURING DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 18/789986 [patent_app_country] => US [patent_app_date] => 2024-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7393 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18789986 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/789986
DISPLAY DEVICE AND METHOD OF MANUFACTURING DISPLAY DEVICE Jul 30, 2024 Abandoned
Array ( [id] => 19558094 [patent_doc_number] => 20240369886 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => LIQUID CRYSTAL GRATING, DISPLAY DEVICE AND CONTROL METHOD FOR LIQUID CRYSTAL GRATING [patent_app_type] => utility [patent_app_number] => 18/769439 [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] => 6612 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18769439 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/769439
Liquid crystal grating, display device and control method for liquid crystal grating Jul 10, 2024 Issued
Array ( [id] => 19694419 [patent_doc_number] => 20250012964 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-09 [patent_title] => DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 18/764615 [patent_app_country] => US [patent_app_date] => 2024-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6366 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18764615 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/764615
DISPLAY DEVICE Jul 4, 2024 Abandoned
Array ( [id] => 19694553 [patent_doc_number] => 20250013098 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-09 [patent_title] => DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 18/761325 [patent_app_country] => US [patent_app_date] => 2024-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6699 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 321 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18761325 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/761325
DISPLAY DEVICE Jul 1, 2024 Abandoned
Array ( [id] => 19992229 [patent_doc_number] => 20250130451 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-24 [patent_title] => VIEWING ANGLE ADJUSTMENT PANEL AND DISPLAY DEVICE INCLUDING SAME [patent_app_type] => utility [patent_app_number] => 18/760711 [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] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18760711 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/760711
Viewing angle adjustment panel and display device including same Jun 30, 2024 Issued
Array ( [id] => 19498860 [patent_doc_number] => 20240337878 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-10 [patent_title] => LIQUID CRYSTAL DEVICE [patent_app_type] => utility [patent_app_number] => 18/750455 [patent_app_country] => US [patent_app_date] => 2024-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10154 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 349 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18750455 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/750455
Liquid crystal device Jun 20, 2024 Issued
Array ( [id] => 19481434 [patent_doc_number] => 20240329476 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => DISPLAY APPARATUS [patent_app_type] => utility [patent_app_number] => 18/735226 [patent_app_country] => US [patent_app_date] => 2024-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17471 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18735226 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/735226
DISPLAY APPARATUS Jun 5, 2024 Issued
Array ( [id] => 19465852 [patent_doc_number] => 20240319522 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => OPTICAL ELEMENT AND GLASSES [patent_app_type] => utility [patent_app_number] => 18/734945 [patent_app_country] => US [patent_app_date] => 2024-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 42351 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 372 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18734945 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/734945
OPTICAL ELEMENT AND GLASSES Jun 4, 2024 Pending
Array ( [id] => 19468758 [patent_doc_number] => 20240322428 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => INTELLIGENT REFLECTING SURFACE [patent_app_type] => utility [patent_app_number] => 18/672393 [patent_app_country] => US [patent_app_date] => 2024-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13056 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18672393 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/672393
INTELLIGENT REFLECTING SURFACE May 22, 2024 Pending
Array ( [id] => 19602754 [patent_doc_number] => 20240393634 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-28 [patent_title] => METHOD FOR MANUFACTURING DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 18/670122 [patent_app_country] => US [patent_app_date] => 2024-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11959 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18670122 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/670122
Method for manufacturing display device May 20, 2024 Issued
Array ( [id] => 19602755 [patent_doc_number] => 20240393635 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-28 [patent_title] => DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 18/670195 [patent_app_country] => US [patent_app_date] => 2024-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12632 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 18670195 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/670195
Display device May 20, 2024 Issued
Array ( [id] => 20922103 [patent_doc_number] => 12717159 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-08-25 [patent_title] => Optical engine module and near-eye display apparatus [patent_app_type] => utility [patent_app_number] => 18/665550 [patent_app_country] => US [patent_app_date] => 2024-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 27 [patent_no_of_words] => 6661 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 276 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18665550 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/665550
OPTICAL ENGINE MODULE AND NEAR-EYE DISPLAY APPARATUS May 14, 2024 Pending
Array ( [id] => 19421304 [patent_doc_number] => 20240297428 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-05 [patent_title] => LIQUID CRYSTAL PHASE SHIFTER AND METHOD FOR OPERATING THE LIQUID CRYSTAL PHASE SHIFTER, AND ANTENNA [patent_app_type] => utility [patent_app_number] => 18/663144 [patent_app_country] => US [patent_app_date] => 2024-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9047 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18663144 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/663144
LIQUID CRYSTAL PHASE SHIFTER AND METHOD FOR OPERATING THE LIQUID CRYSTAL PHASE SHIFTER, AND ANTENNA May 13, 2024 Pending
Array ( [id] => 20731373 [patent_doc_number] => 12638627 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-26 [patent_title] => Manufacturing method of liquid crystal optical element [patent_app_type] => utility [patent_app_number] => 18/645884 [patent_app_country] => US [patent_app_date] => 2024-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 1142 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 344 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18645884 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/645884
Manufacturing method of liquid crystal optical element Apr 24, 2024 Issued
Array ( [id] => 19529811 [patent_doc_number] => 20240353713 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => SWITCHABLE ALIGNMENT LAYER FOR LIQUID CRYSTAL DISPLAYS CAPTURE [patent_app_type] => utility [patent_app_number] => 18/639258 [patent_app_country] => US [patent_app_date] => 2024-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7037 [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] => 18639258 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/639258
SWITCHABLE ALIGNMENT LAYER FOR LIQUID CRYSTAL DISPLAYS CAPTURE Apr 17, 2024 Pending
Array ( [id] => 20731456 [patent_doc_number] => 12638710 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-26 [patent_title] => Display panel and display apparatus [patent_app_type] => utility [patent_app_number] => 18/637041 [patent_app_country] => US [patent_app_date] => 2024-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 1243 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 316 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18637041 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/637041
Display panel and display apparatus Apr 15, 2024 Issued
Array ( [id] => 20820945 [patent_doc_number] => 12676421 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-07-07 [patent_title] => Intelligent reflecting surface [patent_app_type] => utility [patent_app_number] => 18/624181 [patent_app_country] => US [patent_app_date] => 2024-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 19 [patent_no_of_words] => 2257 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18624181 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/624181
Intelligent reflecting surface Apr 1, 2024 Issued
Array ( [id] => 19382618 [patent_doc_number] => 20240272488 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-15 [patent_title] => LIQUID CRYSTAL DISPLAY PANELS AND METHODS OF MANUFACTURING THE SAME [patent_app_type] => utility [patent_app_number] => 18/622982 [patent_app_country] => US [patent_app_date] => 2024-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4438 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18622982 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/622982
Liquid crystal display panels and methods of manufacturing the same Mar 30, 2024 Issued
Menu