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] => 19340249 [patent_doc_number] => 12050435 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-30 [patent_title] => Optical scanning holography system [patent_app_type] => utility [patent_app_number] => 18/217618 [patent_app_country] => US [patent_app_date] => 2023-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 20 [patent_no_of_words] => 24389 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 266 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18217618 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/217618
Optical scanning holography system Jul 2, 2023 Issued
Array ( [id] => 19732180 [patent_doc_number] => 12210174 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-28 [patent_title] => Non-color shifting multilayer structures [patent_app_type] => utility [patent_app_number] => 18/217810 [patent_app_country] => US [patent_app_date] => 2023-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 35 [patent_no_of_words] => 10742 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18217810 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/217810
Non-color shifting multilayer structures Jul 2, 2023 Issued
Array ( [id] => 19659999 [patent_doc_number] => 20240427064 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-26 [patent_title] => Lightweight Night Vision Systems Using Broadband Diffractive Optics [patent_app_type] => utility [patent_app_number] => 18/338651 [patent_app_country] => US [patent_app_date] => 2023-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1991 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18338651 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/338651
Lightweight Night Vision Systems Using Broadband Diffractive Optics Jun 20, 2023 Pending
Array ( [id] => 18846417 [patent_doc_number] => 20230408821 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-21 [patent_title] => NEAR-EYE DISPLAY DEVICE AND WEARABLE DEVICE HAVING THE SAME [patent_app_type] => utility [patent_app_number] => 18/212354 [patent_app_country] => US [patent_app_date] => 2023-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6261 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18212354 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/212354
NEAR-EYE DISPLAY DEVICE AND WEARABLE DEVICE HAVING THE SAME Jun 20, 2023 Pending
Array ( [id] => 18694437 [patent_doc_number] => 20230324849 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-12 [patent_title] => SYSTEM, APPARATUS AND METHOD FOR EXTRACTING THREE-DIMENSIONAL INFORMATION OF AN OBJECT FROM RECEIVED ELECTROMAGNETIC RADIATION [patent_app_type] => utility [patent_app_number] => 18/210406 [patent_app_country] => US [patent_app_date] => 2023-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 27259 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18210406 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/210406
SYSTEM, APPARATUS AND METHOD FOR EXTRACTING THREE-DIMENSIONAL INFORMATION OF AN OBJECT FROM RECEIVED ELECTROMAGNETIC RADIATION Jun 14, 2023 Pending
Array ( [id] => 18941170 [patent_doc_number] => 20240036309 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-01 [patent_title] => HOLOGRAM WAVEGUIDING [patent_app_type] => utility [patent_app_number] => 18/335835 [patent_app_country] => US [patent_app_date] => 2023-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13945 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18335835 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/335835
HOLOGRAM WAVEGUIDING Jun 14, 2023 Pending
Array ( [id] => 19283268 [patent_doc_number] => 20240219744 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-04 [patent_title] => THREE-DIMENSIONAL CONVERSION MEMBER AND STEREOSCOPIC IMAGE DISPLAY DEVICE INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 18/326928 [patent_app_country] => US [patent_app_date] => 2023-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4796 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 18326928 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/326928
Three-dimensional conversion member and stereoscopic image display device including the same May 30, 2023 Issued
Array ( [id] => 20646976 [patent_doc_number] => 12601917 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-14 [patent_title] => Glasses-type augmented reality apparatus and system with compact dimensions [patent_app_type] => utility [patent_app_number] => 18/315898 [patent_app_country] => US [patent_app_date] => 2023-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 12 [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] => 18315898 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/315898
Glasses-type augmented reality apparatus and system with compact dimensions May 10, 2023 Issued
Array ( [id] => 19143873 [patent_doc_number] => 20240142765 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => OPTICAL WAVELENGTH CONVERSION STRUCTURE [patent_app_type] => utility [patent_app_number] => 18/314833 [patent_app_country] => US [patent_app_date] => 2023-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5951 [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] => 18314833 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/314833
OPTICAL WAVELENGTH CONVERSION STRUCTURE May 9, 2023 Pending
Array ( [id] => 19878005 [patent_doc_number] => 20250110262 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-03 [patent_title] => OPTICAL MEMBER AND LENS UNIT [patent_app_type] => utility [patent_app_number] => 18/857815 [patent_app_country] => US [patent_app_date] => 2023-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7804 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18857815 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/857815
OPTICAL MEMBER AND LENS UNIT Apr 25, 2023 Pending
Array ( [id] => 20194895 [patent_doc_number] => 20250271605 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-28 [patent_title] => Light Control Film and Method of Fabricating Same [patent_app_type] => utility [patent_app_number] => 18/857872 [patent_app_country] => US [patent_app_date] => 2023-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6946 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 18857872 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/857872
Light Control Film and Method of Fabricating Same Apr 23, 2023 Pending
Array ( [id] => 18568735 [patent_doc_number] => 20230259071 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-17 [patent_title] => DEVICE AND METHOD FOR CALCULATING HOLOGRAPHIC DATA [patent_app_type] => utility [patent_app_number] => 18/305343 [patent_app_country] => US [patent_app_date] => 2023-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11684 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18305343 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/305343
DEVICE AND METHOD FOR CALCULATING HOLOGRAPHIC DATA Apr 21, 2023 Abandoned
Array ( [id] => 19678341 [patent_doc_number] => 12190205 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-07 [patent_title] => Heralding-free connections in quantum computing [patent_app_type] => utility [patent_app_number] => 18/299827 [patent_app_country] => US [patent_app_date] => 2023-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 43 [patent_no_of_words] => 69277 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18299827 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/299827
Heralding-free connections in quantum computing Apr 12, 2023 Issued
Array ( [id] => 18755621 [patent_doc_number] => 20230359061 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-09 [patent_title] => DISPLAY APPARATUS PROVIDING IMMERSIVE IMAGE [patent_app_type] => utility [patent_app_number] => 18/126174 [patent_app_country] => US [patent_app_date] => 2023-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10378 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18126174 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/126174
DISPLAY APPARATUS PROVIDING IMMERSIVE IMAGE Mar 23, 2023 Pending
Array ( [id] => 18613957 [patent_doc_number] => 20230280694 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => LIGHT MODULATING DEVICE AND OPERATING METHOD THEREOF USING VOLTAGE-VARIED LC [patent_app_type] => utility [patent_app_number] => 18/116720 [patent_app_country] => US [patent_app_date] => 2023-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14021 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [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] => 18116720 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/116720
LIGHT MODULATING DEVICE AND OPERATING METHOD THEREOF USING VOLTAGE-VARIED LC Mar 1, 2023 Pending
Array ( [id] => 20051590 [patent_doc_number] => 20250189812 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-12 [patent_title] => LIGHT GUIDE PLATE AND IMAGE DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 18/841006 [patent_app_country] => US [patent_app_date] => 2023-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5988 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18841006 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/841006
LIGHT GUIDE PLATE AND IMAGE DISPLAY DEVICE Feb 14, 2023 Pending
Array ( [id] => 20017396 [patent_doc_number] => 20250155618 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-15 [patent_title] => LIGHT GUIDE PLATE AND IMAGE DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 18/839133 [patent_app_country] => US [patent_app_date] => 2023-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11026 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18839133 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/839133
LIGHT GUIDE PLATE AND IMAGE DISPLAY DEVICE Jan 17, 2023 Pending
Array ( [id] => 20174305 [patent_doc_number] => 12393049 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-19 [patent_title] => Adaptive interactive campfire display [patent_app_type] => utility [patent_app_number] => 18/153767 [patent_app_country] => US [patent_app_date] => 2023-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 1148 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 282 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18153767 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/153767
Adaptive interactive campfire display Jan 11, 2023 Issued
Array ( [id] => 20811413 [patent_doc_number] => 20260186237 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-07-02 [patent_title] => HEAD-MOUNTED ELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 18/727944 [patent_app_country] => US [patent_app_date] => 2023-01-06 [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] => -12 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18727944 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/727944
HEAD-MOUNTED ELECTRONIC DEVICE Jan 5, 2023 Pending
Array ( [id] => 18362137 [patent_doc_number] => 20230143728 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-11 [patent_title] => HOLOGRAPHIC DISPLAY SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 18/093190 [patent_app_country] => US [patent_app_date] => 2023-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12294 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18093190 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/093190
HOLOGRAPHIC DISPLAY SYSTEM AND METHOD Jan 3, 2023 Pending
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