Search

Audrey Y. Chang

Examiner (ID: 12249, Phone: (571)272-2309 , Office: P/2872 )

Most Active Art Unit
2872
Art Unit(s)
2872, 2507
Total Applications
2296
Issued Applications
1157
Pending Applications
180
Abandoned Applications
969

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20500197 [patent_doc_number] => 20260029656 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-29 [patent_title] => PULSE COMPRESSION ELECTRUM GRATING AND ITS PREPARATION METHOD [patent_app_type] => utility [patent_app_number] => 19/086114 [patent_app_country] => US [patent_app_date] => 2025-03-20 [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] => -9 [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] => 19086114 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/086114
PULSE COMPRESSION ELECTRUM GRATING AND ITS PREPARATION METHOD Mar 19, 2025 Pending
Array ( [id] => 20151462 [patent_doc_number] => 20250251300 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-07 [patent_title] => CONFIGURABLE SPECTRAL, COLOR AND MTF INTEGRATED TESTER SYSTEM [patent_app_type] => utility [patent_app_number] => 18/928122 [patent_app_country] => US [patent_app_date] => 2024-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1200 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 306 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18928122 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/928122
CONFIGURABLE SPECTRAL, COLOR AND MTF INTEGRATED TESTER SYSTEM Oct 26, 2024 Pending
Array ( [id] => 19771499 [patent_doc_number] => 20250052925 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-13 [patent_title] => Frequency-Selective Optical Metalens Filters [patent_app_type] => utility [patent_app_number] => 18/928013 [patent_app_country] => US [patent_app_date] => 2024-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13144 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18928013 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/928013
Frequency-Selective Optical Metalens Filters Oct 25, 2024 Pending
Array ( [id] => 20208268 [patent_doc_number] => 20250277988 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-04 [patent_title] => STEREOSCOPIC IMAGE DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 18/920545 [patent_app_country] => US [patent_app_date] => 2024-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6658 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 18920545 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/920545
STEREOSCOPIC IMAGE DISPLAY DEVICE Oct 17, 2024 Pending
Array ( [id] => 20601100 [patent_doc_number] => 20260079108 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-19 [patent_title] => LABEL-FREE IDENTIFICATION OF TUMOR TISSUES BY COHERENT NONLINEAR VIBRATIONAL MODE IMAGING [patent_app_type] => utility [patent_app_number] => 18/887926 [patent_app_country] => US [patent_app_date] => 2024-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5149 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18887926 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/887926
LABEL-FREE IDENTIFICATION OF TUMOR TISSUES BY COHERENT NONLINEAR VIBRATIONAL MODE IMAGING Sep 16, 2024 Pending
Array ( [id] => 20000108 [patent_doc_number] => 20250138330 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-01 [patent_title] => OPTICAL ELEMENT, LASER MODULE, RETINAL PROJECTION DEVICE, AND NEAR-EYE WEARABLE DEVICE [patent_app_type] => utility [patent_app_number] => 18/883273 [patent_app_country] => US [patent_app_date] => 2024-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14829 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18883273 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/883273
OPTICAL ELEMENT, LASER MODULE, RETINAL PROJECTION DEVICE, AND NEAR-EYE WEARABLE DEVICE Sep 11, 2024 Pending
18/846217 SYSTEM AND METHOD FOR DEPTH-OF-FIELD EXPANSION Sep 10, 2024 Pending
Array ( [id] => 19660004 [patent_doc_number] => 20240427069 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-26 [patent_title] => Angular Shift Compensated Thin-Film Interference Optical Filters [patent_app_type] => utility [patent_app_number] => 18/828817 [patent_app_country] => US [patent_app_date] => 2024-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4946 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18828817 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/828817
Angular Shift Compensated Thin-Film Interference Optical Filters Sep 8, 2024 Pending
Array ( [id] => 20586696 [patent_doc_number] => 20260072289 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-12 [patent_title] => MULTIBAND DICHROIC METAMIRROR AND METHOD [patent_app_type] => utility [patent_app_number] => 18/827307 [patent_app_country] => US [patent_app_date] => 2024-09-06 [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] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18827307 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/827307
MULTIBAND DICHROIC METAMIRROR AND METHOD Sep 5, 2024 Pending
Array ( [id] => 19818529 [patent_doc_number] => 20250076736 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => DISPLAY OPTICAL SYSTEM AND DISPLAY APPARATUS [patent_app_type] => utility [patent_app_number] => 18/817296 [patent_app_country] => US [patent_app_date] => 2024-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6110 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18817296 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/817296
DISPLAY OPTICAL SYSTEM AND DISPLAY APPARATUS Aug 27, 2024 Pending
Array ( [id] => 19644404 [patent_doc_number] => 20240418924 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-19 [patent_title] => LIGHT MODULATION ELEMENT AND INFORMATION RECORDING MEDIUM [patent_app_type] => utility [patent_app_number] => 18/814813 [patent_app_country] => US [patent_app_date] => 2024-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 56483 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18814813 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/814813
LIGHT MODULATION ELEMENT AND INFORMATION RECORDING MEDIUM Aug 25, 2024 Pending
Array ( [id] => 20221104 [patent_doc_number] => 20250284035 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-11 [patent_title] => Anti-Blue Light Lens Device and Preparation Method Thereof [patent_app_type] => utility [patent_app_number] => 18/804540 [patent_app_country] => US [patent_app_date] => 2024-08-14 [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] => -8 [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] => 18804540 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/804540
Anti-Blue Light Lens Device and Preparation Method Thereof Aug 13, 2024 Pending
Array ( [id] => 19644467 [patent_doc_number] => 20240418987 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-19 [patent_title] => METHODS AND SYSTEMS FOR GENERATING VIRTUAL CONTENT DISPLAY WITH A VIRTUAL OR AUGMENTED REALITY APPARATUS [patent_app_type] => utility [patent_app_number] => 18/802429 [patent_app_country] => US [patent_app_date] => 2024-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17352 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18802429 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/802429
METHODS AND SYSTEMS FOR GENERATING VIRTUAL CONTENT DISPLAY WITH A VIRTUAL OR AUGMENTED REALITY APPARATUS Aug 12, 2024 Pending
Array ( [id] => 19602708 [patent_doc_number] => 20240393588 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-28 [patent_title] => IMAGE DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 18/797112 [patent_app_country] => US [patent_app_date] => 2024-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11219 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18797112 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/797112
IMAGE DISPLAY DEVICE Aug 6, 2024 Pending
Array ( [id] => 19756010 [patent_doc_number] => 20250044575 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-06 [patent_title] => WAVELENGTH CONVERSION DEVICE, LIGHT SOURCE DEVICE, AND PROJECTOR [patent_app_type] => utility [patent_app_number] => 18/790882 [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] => 21814 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18790882 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/790882
WAVELENGTH CONVERSION DEVICE, LIGHT SOURCE DEVICE, AND PROJECTOR Jul 30, 2024 Pending
Array ( [id] => 19587892 [patent_doc_number] => 20240385449 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => OPTICAL COMBINER AND DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 18/788173 [patent_app_country] => US [patent_app_date] => 2024-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6877 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18788173 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/788173
OPTICAL COMBINER AND DISPLAY DEVICE Jul 29, 2024 Pending
Array ( [id] => 19602725 [patent_doc_number] => 20240393605 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-28 [patent_title] => CURVED FORK-LIKE GRATING STRUCTURE, CURVED FORK-LIKE GRATING, AND PREPARATION METHOD THEREFOR [patent_app_type] => utility [patent_app_number] => 18/789667 [patent_app_country] => US [patent_app_date] => 2024-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3711 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 18789667 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/789667
CURVED FORK-LIKE GRATING STRUCTURE, CURVED FORK-LIKE GRATING, AND PREPARATION METHOD THEREFOR Jul 29, 2024 Pending
Array ( [id] => 19756047 [patent_doc_number] => 20250044612 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-06 [patent_title] => IMAGE DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 18/765316 [patent_app_country] => US [patent_app_date] => 2024-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8768 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18765316 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/765316
IMAGE DISPLAY DEVICE Jul 6, 2024 Pending
Array ( [id] => 19660227 [patent_doc_number] => 20240427292 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-26 [patent_title] => Watch Component And Watch [patent_app_type] => utility [patent_app_number] => 18/750106 [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] => 3832 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18750106 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/750106
Watch Component And Watch Jun 20, 2024 Pending
Array ( [id] => 20688946 [patent_doc_number] => 12619093 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-05 [patent_title] => Method and apparatus for compensating for atmospheric distortion [patent_app_type] => utility [patent_app_number] => 18/745188 [patent_app_country] => US [patent_app_date] => 2024-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 0 [patent_no_of_claims] => 19 [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] => 18745188 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/745188
Method and apparatus for compensating for atmospheric distortion Jun 16, 2024 Issued
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