Search

Audrey Y. Chang

Examiner (ID: 2090, Phone: (571)272-2309 , Office: P/2872 )

Most Active Art Unit
2872
Art Unit(s)
2507, 2872
Total Applications
2263
Issued Applications
1145
Pending Applications
179
Abandoned Applications
959

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18924783 [patent_doc_number] => 20240027787 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => VIEW FIELD CONTROL APPARATUS APPLIED IN OPTICAL IMAGING SYSTEM AND OPTICAL IMAGING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/476293 [patent_app_country] => US [patent_app_date] => 2023-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7348 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18476293 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/476293
VIEW FIELD CONTROL APPARATUS APPLIED IN OPTICAL IMAGING SYSTEM AND OPTICAL IMAGING SYSTEM Sep 26, 2023 Pending
Array ( [id] => 18896693 [patent_doc_number] => 20240012178 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-11 [patent_title] => META-SURFACE OPTICAL ELEMENT AND METHOD OF MANUFACTURING THE SAME [patent_app_type] => utility [patent_app_number] => 18/472662 [patent_app_country] => US [patent_app_date] => 2023-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9793 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18472662 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/472662
META-SURFACE OPTICAL ELEMENT AND METHOD OF MANUFACTURING THE SAME Sep 21, 2023 Pending
Array ( [id] => 19099328 [patent_doc_number] => 20240118556 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => SYSTEMS AND METHODS FOR GENERATING A FLAT-TOP ILLUMINATION BEAM BASED ON INTERLACING, INCOHERENTLY OVERLAPPING SPOTS [patent_app_type] => utility [patent_app_number] => 18/369609 [patent_app_country] => US [patent_app_date] => 2023-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7400 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18369609 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/369609
SYSTEMS AND METHODS FOR GENERATING A FLAT-TOP ILLUMINATION BEAM BASED ON INTERLACING, INCOHERENTLY OVERLAPPING SPOTS Sep 17, 2023 Pending
Array ( [id] => 18880977 [patent_doc_number] => 20240004346 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => HOLOGRAPHIC DISPLAY APPARATUS FOR PROVIDING EXPANDED VIEWING WINDOW [patent_app_type] => utility [patent_app_number] => 18/369039 [patent_app_country] => US [patent_app_date] => 2023-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11725 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18369039 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/369039
HOLOGRAPHIC DISPLAY APPARATUS FOR PROVIDING EXPANDED VIEWING WINDOW Sep 14, 2023 Pending
Array ( [id] => 19069014 [patent_doc_number] => 20240103440 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => Method for Holographic Mastering and Replication [patent_app_type] => utility [patent_app_number] => 18/468375 [patent_app_country] => US [patent_app_date] => 2023-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7316 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 17 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18468375 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/468375
Method for Holographic Mastering and Replication Sep 14, 2023 Abandoned
Array ( [id] => 18863633 [patent_doc_number] => 20230418069 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => HEAD-MOUNTED DISPLAY EYEBALL TRACKER INTEGRATED SYSTEM [patent_app_type] => utility [patent_app_number] => 18/244255 [patent_app_country] => US [patent_app_date] => 2023-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5831 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [patent_words_short_claim] => 281 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18244255 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/244255
Head-mounted display eyeball tracker integrated system Sep 9, 2023 Issued
Array ( [id] => 18818980 [patent_doc_number] => 20230393320 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => Spatially Varying Skew Mirrors [patent_app_type] => utility [patent_app_number] => 18/453243 [patent_app_country] => US [patent_app_date] => 2023-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13840 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18453243 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/453243
Spatially Varying Skew Mirrors Aug 20, 2023 Pending
Array ( [id] => 18957050 [patent_doc_number] => 20240045377 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-08 [patent_title] => RELAY SYSTEMS [patent_app_type] => utility [patent_app_number] => 18/235864 [patent_app_country] => US [patent_app_date] => 2023-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 78134 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18235864 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/235864
RELAY SYSTEMS Aug 19, 2023 Pending
Array ( [id] => 19786929 [patent_doc_number] => 20250060608 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-20 [patent_title] => DIFFRACTIVE OPTICAL STRUCTURES AND METHODS FOR MANUFACTURING SAME [patent_app_type] => utility [patent_app_number] => 18/450503 [patent_app_country] => US [patent_app_date] => 2023-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4904 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18450503 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/450503
DIFFRACTIVE OPTICAL STRUCTURES AND METHODS FOR MANUFACTURING SAME Aug 15, 2023 Pending
Array ( [id] => 20145192 [patent_doc_number] => 12379533 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-05 [patent_title] => Grating part and manufacturing method thereof [patent_app_type] => utility [patent_app_number] => 18/233012 [patent_app_country] => US [patent_app_date] => 2023-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 25 [patent_no_of_words] => 0 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18233012 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/233012
Grating part and manufacturing method thereof Aug 10, 2023 Issued
Array ( [id] => 18810274 [patent_doc_number] => 20230384609 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => METHOD AND SYSTEM FOR GENERATION OF A NEEDLE-SHAPED BEAM BY A DIFFRACTIVE OPTICAL ELEMENT FOR USE IN EXTENDED DEPTH-OF-FOCUS OPTICAL COHERENCE TOMOGRAPHY [patent_app_type] => utility [patent_app_number] => 18/447094 [patent_app_country] => US [patent_app_date] => 2023-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18325 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18447094 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/447094
METHOD AND SYSTEM FOR GENERATION OF A NEEDLE-SHAPED BEAM BY A DIFFRACTIVE OPTICAL ELEMENT FOR USE IN EXTENDED DEPTH-OF-FOCUS OPTICAL COHERENCE TOMOGRAPHY Aug 8, 2023 Pending
Array ( [id] => 19756175 [patent_doc_number] => 20250044740 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-06 [patent_title] => CLOSED-LOOP WAVEFRONT SHAPING SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 18/363869 [patent_app_country] => US [patent_app_date] => 2023-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7534 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [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] => 18363869 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/363869
CLOSED-LOOP WAVEFRONT SHAPING SYSTEM AND METHOD Aug 1, 2023 Pending
Array ( [id] => 19114237 [patent_doc_number] => 20240125987 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => ZONAL OPTICAL ELEMENTS [patent_app_type] => utility [patent_app_number] => 18/356427 [patent_app_country] => US [patent_app_date] => 2023-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11014 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18356427 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/356427
ZONAL OPTICAL ELEMENTS Jul 20, 2023 Pending
Array ( [id] => 18772223 [patent_doc_number] => 20230367047 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-16 [patent_title] => WAFER LEVEL MICROSTRUCTURES FOR AN OPTICAL LENS [patent_app_type] => utility [patent_app_number] => 18/352965 [patent_app_country] => US [patent_app_date] => 2023-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9722 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18352965 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/352965
Wafer level microstructures for an optical lens Jul 13, 2023 Issued
Array ( [id] => 18957051 [patent_doc_number] => 20240045378 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-08 [patent_title] => Projection Assembly [patent_app_type] => utility [patent_app_number] => 18/351218 [patent_app_country] => US [patent_app_date] => 2023-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15145 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18351218 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/351218
Projection Assembly Jul 11, 2023 Pending
Array ( [id] => 18924780 [patent_doc_number] => 20240027784 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => METHODS FOR ABERRATION CORRECTION IN HIGH NUMERICAL APERTURE OPTICAL SYSTEMS [patent_app_type] => utility [patent_app_number] => 18/350511 [patent_app_country] => US [patent_app_date] => 2023-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6312 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18350511 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/350511
METHODS FOR ABERRATION CORRECTION IN HIGH NUMERICAL APERTURE OPTICAL SYSTEMS Jul 10, 2023 Pending
Array ( [id] => 20242462 [patent_doc_number] => 12422778 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Optical scanning holography system [patent_app_type] => utility [patent_app_number] => 18/217626 [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] => 21393 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 343 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18217626 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/217626
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] => 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] => 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
Menu